U.S. patent application number 13/050465 was filed with the patent office on 2011-07-14 for nitrogen-containing heterocycle derivatives substituted with cyclic group.
This patent application is currently assigned to SHIONOGI & CO., LTD.. Invention is credited to Makoto Adachi, Moriyasu Masui, Akira Matsumura, Hidenori Mikamiyama, Naoki Tsuno.
Application Number | 20110172415 13/050465 |
Document ID | / |
Family ID | 38458939 |
Filed Date | 2011-07-14 |
United States Patent
Application |
20110172415 |
Kind Code |
A1 |
Masui; Moriyasu ; et
al. |
July 14, 2011 |
NITROGEN-CONTAINING HETEROCYCLE DERIVATIVES SUBSTITUTED WITH CYCLIC
GROUP
Abstract
It was found out that the nitrogen-containing heterocyclic
derivative represented by the formula (I) specifically binds to a
receptor of NR1/NR2B, and is used as a NR2B receptor antagonist. A
compound represented by: ##STR00001## wherein Z is N or CR.sup.1,
A.sup.1 is a nitrogen-containing aromatic monocyclic group which is
optionally substituted, a nitrogen-containing aromatic fused cyclic
group which is optionally substituted etc., A.sup.2 is an aromatic
hydrocarbon cyclic group or an aromatic heterocyclic group, each
optionally having a substituent, R.sup.1, R.sup.2, R.sup.a,
R.sup.b, R.sup.c and R.sup.d are each independently hydrogen,
hydroxy, etc., w is 2 or 3, t is 1 or 2, X is
--(CR.sup.3R.sup.4)m-, --CO(CR.sup.3R.sup.4)n-,
--CONR.sup.5(CR.sup.3R.sup.4)n- etc., m is an integer of 1 to 4, n
is an integer of 0 to 4, R.sup.3 and R.sup.4 are each independently
hydrogen, halogen, hydroxy etc., and R.sup.5 is hydrogen or lower
alkyl, or a pharmaceutically acceptable salt, or a solvate
thereof.
Inventors: |
Masui; Moriyasu; (Osaka-shi,
JP) ; Adachi; Makoto; (Takarazuka-shi, JP) ;
Mikamiyama; Hidenori; (Osaka-shi, JP) ; Matsumura;
Akira; (Osaka-shi, JP) ; Tsuno; Naoki;
(Osaka-shi, JP) |
Assignee: |
SHIONOGI & CO., LTD.
Osaka
JP
|
Family ID: |
38458939 |
Appl. No.: |
13/050465 |
Filed: |
March 17, 2011 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
|
12278412 |
Aug 6, 2008 |
7935706 |
|
|
PCT/JP2007/053166 |
Feb 21, 2007 |
|
|
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13050465 |
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Current U.S.
Class: |
540/575 ;
544/105; 544/362; 544/363; 544/368; 544/370; 544/391; 546/143;
546/158; 546/194; 546/198; 546/201; 546/211 |
Current CPC
Class: |
C07D 401/12 20130101;
A61P 25/02 20180101; C07D 413/12 20130101; C07D 235/26 20130101;
A61P 39/00 20180101; C07D 249/18 20130101; A61P 43/00 20180101;
C07D 209/34 20130101; C07D 471/04 20130101; C07D 277/68 20130101;
C07D 401/06 20130101; A61P 25/18 20180101; C07D 263/58 20130101;
A61P 25/04 20180101; C07D 417/12 20130101; C07D 215/38 20130101;
C07D 498/04 20130101; C07D 513/04 20130101; C07D 401/14 20130101;
A61P 25/14 20180101; C07D 235/08 20130101; C07D 209/08
20130101 |
Class at
Publication: |
540/575 ;
546/194; 546/198; 546/211; 546/158; 546/201; 544/368; 544/362;
544/370; 544/363; 544/391; 546/143; 544/105 |
International
Class: |
C07D 498/04 20060101
C07D498/04; C07D 401/12 20060101 C07D401/12; C07D 405/12 20060101
C07D405/12; C07D 401/06 20060101 C07D401/06; C07D 401/14 20060101
C07D401/14; C07D 405/14 20060101 C07D405/14; C07D 403/12 20060101
C07D403/12; C07D 417/14 20060101 C07D417/14; C07D 417/12 20060101
C07D417/12; C07D 471/04 20060101 C07D471/04; C07D 295/185 20060101
C07D295/185; C07D 413/12 20060101 C07D413/12 |
Foreign Application Data
Date |
Code |
Application Number |
Feb 23, 2006 |
JP |
2006-046740 |
May 30, 2006 |
JP |
2006-149750 |
Nov 27, 2006 |
JP |
2006-318360 |
Claims
1. A compound represented by the formula (I): ##STR00376## wherein
Z is N or CR.sup.1; A.sup.1 is a nitrogen-containing aromatic
monocyclic group which is optionally substituted, or a
nitrogen-containing aromatic fused cyclic group which is optionally
substituted, the nitrogen-containing aromatic monocyclic group or
the nitrogen-containing aromatic fused cyclic group satisfies at
least one of the following conditions: i) the group has at least
one group selected from optionally substituted hydroxy, optionally
protected amino and optionally substituted aminooxy, and ii) the
group contains --NH-- in the ring; A.sup.2 is an aromatic
hydrocarbon cyclic group which is optionally substituted, or an
aromatic heterocyclic group which is optionally substituted;
R.sup.1 and R.sup.2 are each independently hydrogen, hydroxy or
lower alkyl, or R.sup.1 and R.sup.2 may be taken together to form a
single bond; R.sup.a, R.sup.b, R.sup.c and R.sup.d are each
independently hydrogen or lower alkyl and, when there are a
plurality of R.sup.as, a plurality of R.sup.bs, a plurality of
R.sup.cs or a plurality of R.sup.ds, they may be different from
each other; w is 2 or 3; t is 1 or 2; X is: --(CR.sup.3R.sup.4)m-,
--CO(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)mCO--,
--CONR.sup.5(CR.sup.3R.sup.4)n-, --NR.sup.5CO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)mNR.sup.5CO--,
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-,
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rO(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rS(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rSO(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rSO.sub.2(CR.sup.3R.sup.4)n-,
--CR.sup.9.dbd.N--O(CR.sup.3R.sup.4)n-,
--C(.dbd.O)O(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)mC(.dbd.N--OR.sup.8)-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)mCH(OR.sup.8)-, NR.sup.5COCO(CR.sup.3R.sup.4)n-,
(CR.sup.3R.sup.4)mNR'COCO--, --COCONR.sup.5(CR.sup.3R.sup.4)n-,
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)nNR.sup.5CO--,
--NR.sup.5(CR.sup.3R.sup.4)mCO--, -A.sup.3-(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)m-A.sup.3-,
-A.sup.3-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-,
--CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-A.sup.3-,
-A.sup.3-NR.sup.6(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.6-A.sup.3- or
--NR.sup.6(CR.sup.3R.sup.4)m-A.sup.3-, further, X may be
--CONR.sup.5(CR.sup.3R.sup.4)m-NR.sup.6--,
--(CR.sup.3R.sup.4)mCONR.sup.5--,
--(CR.sup.3R.sup.4)mNR.sup.5CONR.sup.6--,
--CO(CR.sup.3R.sup.4)mNR.sup.5--, or
-A.sup.3-(CR.sup.3R.sup.4)mNR.sup.6-- when Z is CR.sup.1; m is an
integer of 1 to 4; n and r are an integer of 0 to 4; A.sup.3 is an
aromatic hydrocarbon cyclic group which is optionally substituted,
an aromatic heterocyclic group which is optionally substituted, or
a non-aromatic heterocyclic group which is optionally substituted;
R.sup.3 and R.sup.4 are each independently hydrogen, halogen,
hydroxy, optionally substituted lower alkyl, or optionally
substituted lower alkoxy, and when there are a plurality of
R.sup.3s and R.sup.4s, respectively, they may be different from
each other; R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9, R.sup.10
and R.sup.11 are each independently hydrogen or lower alkyl, and
when m or n is 1 or more, R.sup.1 may be taken together with
R.sup.3 on CR.sup.3R.sup.4 adjacent to a carbon atom to which
R.sup.1 binds, to form a single bond, wherein the case where Z is
N, A.sup.1 is ##STR00377## and X is
--NR.sup.5CO(CR.sup.3R.sup.4)n-, --NR.sup.5COCO(CR.sup.3R.sup.4)n-
or --NR.sup.5(CR.sup.3R.sup.4)mCO-- is excluded, or a
pharmaceutically acceptable salt, or a solvate thereof.
2. The compound according to claim 1, wherein w is 2 or 3, and t is
1, or a pharmaceutically acceptable salt, or a solvate thereof.
3. The compound according to claim 1, wherein X is
--(CR.sup.3R.sup.4)m-, --CO(CR.sup.3R.sup.4)n-,
--CONR.sup.5(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)mCONR.sup.5--,
--NR.sup.5CO(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)mNR.sup.5CO--,
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-,
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--NR.sup.5COCO(CR.sup.3R.sup.4)n-,
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-,
-A.sup.3-(CR.sup.3R.sup.4)n-,
-A.sup.3-CR.sup.10.dbd.(CR.sup.3R.sup.4)n-,
--NR.sup.5(CR.sup.3R.sup.4)mCO-- or
-A.sup.3-(CR.sup.3R.sup.4)nNR.sup.6--, or a pharmaceutically
acceptable salt, or a solvate thereof.
4. The compound according to claim 1, wherein A.sup.1 is pyridyl
substituted with at least hydroxy, quinolyl substituted with at
least hydroxy, benzoxazolyl substituted with at least hydroxy,
benzimidazolyl substituted with at least hydroxy, pyridyl
substituted with at least optionally protected amino, imidazolyl in
which ring constituting atoms other than --NH-- may be substituted,
pyrrolyl in which ring constituting atoms other than --NH-- may be
substituted, pyrazolyl in which ring constituting atoms other than
--NH-- may be substituted, benzpyrazolyl in which ring constituting
atoms other than --NH-- may be substituted, benzimidazolyl in which
ring constituting atoms other than --NH-- may be substituted, or
indolyl in which ring constituting atoms other than --NH-- may be
substituted, or a pharmaceutically acceptable salt, or a solvate
thereof.
5. The compound according to claim 1, wherein A.sup.1 is:
##STR00378## or a pharmaceutically acceptable salt, or a solvate
thereof.
6. The compound according to claim 1, wherein X is
--CO(CHR.sup.3)n-, --CONH(CHR.sup.3)n-, --NHCO(CHR.sup.3)n-,
--NHCONH(CHR.sup.3)n-, --NHCOCO(CHR.sup.3)n- or
--NR.sup.5(CR.sup.3R.sup.4)mCO-- or a pharmaceutically acceptable
salt, or a solvate thereof.
7. The compound according to claim 1, wherein X is
--CO(CHR.sup.3).sub.2--, --CONHCHR.sup.3--,
--CONH(CHR.sup.3).sub.2--, --NHCOCHR.sup.3--,
--NHCO(CHR.sup.3).sub.2--, --NHCONH--, --NHCOCO-- or
--NHCH.sub.2CO-- or a pharmaceutically acceptable salt, or a
solvate thereof.
8. The compound according to claim 1, wherein Z is CR.sup.1,
R.sup.1 and R.sup.2 are each independently hydrogen or hydroxy, or
R.sup.1 and R.sup.2 are taken together to form a single bond and,
when m or n is 1 or more, R.sup.1 is taken together with R.sup.3 on
CR.sup.3R.sup.4 adjacent to a carbon atom to which R.sup.1 binds,
to form a single bond, or a pharmaceutically acceptable salt, or a
solvate thereof.
9. The compound according to claim 1, wherein Z is N, or a
pharmaceutically acceptable salt, or a solvate thereof.
10. The compound according to claim 1, wherein A.sup.2 is phenyl
optionally substituted with one or more groups selected from
halogen, cyano, lower alkyl, halogeno lower alkyl, lower alkoxy and
halogeno lower alkoxy or pyridyl optionally substituted with one or
more groups selected from halogen, cyano, lower alkyl, halogeno
lower alkyl, lower alkoxy and halogeno lower alkoxy, or a
pharmaceutically acceptable salt, or a solvate thereof.
11. The compound according to claim 1, wherein A.sup.2 is
para-substituted phenyl, meta and para-di-substituted phenyl or
meta and para-tri-substituted phenyl, or a pharmaceutically
acceptable salt, or a solvate thereof
12. A pharmaceutical composition containing the compound according
to claim 1, or a pharmaceutically acceptable salt, or a solvate
thereof.
13. The pharmaceutical composition according to claim 12, which has
the NMDA receptor antagonism.
14. The pharmaceutical composition according to claim 13, which has
the NR1/NR2B receptor antagonism.
Description
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a Division of application Ser. No.
12/278412, filed Aug. 6, 2008, which is a U.S. National Stage of
PCT/JP2007/053166, filed Feb. 21, 2007, which applications are
incorporated herein by reference.
TECHNICAL FIELD
[0002] The present invention relates to a nitrogen-containing
heterocycle derivative useful as a drug such as an analgesic and
the like, which exhibits the specific antagonism to a glutamic acid
receptor of a central nervous cell, particularly, an NR1/NR2B
receptor which is one kind of NMDA receptors and, preferably, has
little side effect on the motion function (e.g.: abnormal
sensation) and mental symptom (e.g.: schizophrenia).
BACKGROUND ART
[0003] An amino acid such as L-glutamic acid and L-aspartic acid is
important as a neurotransmitter in a central nervous system for
activating a nerve cell. However, excessive accumulation of these
excitatory amino acids outside a cell is thought to cause loss of
nerve and motion functions seen in various cerebro-neurological
diseases such as Parkinson's disease, senile dementia, Huntington's
chorea, and epilepsia, as well as at anoxia, ischemia, hypoglycemia
state, or head or spinal cord damage.
[0004] It is known that the activity of the excitatory amino acid
on a central nervous cell acts via a glutamic acid receptor present
on a nerve cell, and a glutamic acid receptor antagonist is thought
to be useful as a remedy for the aforementioned diseases and
symptoms, and for example, as an anti-epileptic drug, a preventive
for ischemic brain injury, or a drug for anti-Parkinsonism.
[0005] The NMDA receptor which is one kind of glutamic acid
receptors is composed of two subunits of NR1 and NR2, and there are
further 4 kinds (NR2A, 2B, 2C, 2D) of subfamilies in the NR2
subunit. It is said that the NR1/NR2A receptor is exclusively
involved in memory formation or learning acquisition, and the
NR1/NR2B receptor is involved in transmission of neurodegenerative
cell death or pain at ischemia. Therefore, a drug exhibiting high
affinity for the NR1/NR2B receptor has a high possibility that it
becames an effective analgesic having little side effect.
[0006] Compounds similar to the present compounds are described in
the Patent Literature 1 to 20 and non-Patent Literature 1, but the
compound related to the present invention is described in none of
them. [0007] [Patent Literature 1] [0008] International Publication
WO 03/057688 [0009] [Patent Literature 2] [0010] International
Publication WO 02/068409 [0011] [Patent Literature 3] [0012]
International Publication WO 02/080928 [0013] [Patent Literature 4]
[0014] International Publication WO 02/40466 [0015] [Patent
Literature 5] [0016] Japanese Patent Appliction Laid-Open (JP-A)
No. 11-147872 [0017] [Patent Literature 6] [0018] JP-A No. 1-079151
[0019] [Patent Literature 7] [0020] JP-A No. 2-169569 [0021]
[Patent Literature 8] [0022] International Publication WO
2003/076420 [0023] [Patent Literature 9] [0024] International
Publication WO 2003/010159 [0025] [Patent Literature 10] [0026]
International Publication WO 2006/010968 [0027] [Patent Literature
11] [0028] International Publication WO 2006/010964 [0029] [Patent
Literature 12] [0030] International Publication WO 2003/053366
[0031] [Patent Literature 13] [0032] International Publication WO
03/084948 [0033] [Patent Literature 14] [0034] International
Publication WO 2002/051806 [0035] [Patent Literature 15] [0036]
International Publication WO 2001/007436 [0037] [Patent Literature
16] [0038] International Publication WO 86/00899 [0039] [Patent
Literature 17] [0040] Switzerland Patent Application Publication
No. CH460016 [0041] [Patent Literature 18] [0042] Switzerland
Patent Application Publication No. CH460017 [0043] [Patent
Literature 19] [0044] U.S. Pat. No. 3,538,089 [0045] [Non-Patent
Literature 1] [0046] Farmaco 1989, vol. 44, No. 5, p. 227-255
DISCLOSURE OF THE INVENTION
Problems to be Solved in the Invention
[0047] An object of the present invention is to provide a NMDA
receptor antagonist which is highly active and, more preferably,
exhibits high affinity for a subtype, particularly a NR1/NR2B
receptor, particularly an analgesic for cancer pain or the
like.
Means to Solve the Problems
[0048] The present invention provides the following. [0049] (1) A
compound represented by the formula (I):
##STR00002##
[0049] wherein Z is N or CR.sup.1; [0050] A.sup.1 is a
nitrogen-containing aromatic monocyclic group which is optionally
substituted, or a nitrogen-containing aromatic fused cyclic group
which is optionally substituted, [0051] the nitrogen-containing
aromatic monocyclic group or the nitrogen-containing aromatic fused
cyclic group satisfies at least one of the following conditions:
[0052] i) the group has at least one group selected from optionally
substituted hydroxy, optionally protected amino and optionally
substituted aminooxy, and [0053] ii) the group contains --NH-- in
the ring; [0054] A.sup.2 is an aromatic hydrocarbon cyclic group
which is optionally substituted, or an aromatic heterocyclic group
which is optionally substituted; [0055] R.sup.1 and R.sup.2 are
each independently hydrogen, hydroxy or lower alkyl, or R.sup.1 and
R.sup.2 may be taken together to form a single bond; [0056]
R.sup.a, R.sup.b, R.sup.c and R.sup.d are each independently
hydrogen or lower alkyl and, when there are a plurality of
R.sup.as, a plurality of R.sup.bs, a plurality of R.sup.cs or a
plurality of R.sup.ds, they may be different from each other;
[0057] w is 2 or 3; [0058] t is 0 or 2; [0059] X is: [0060]
--(CR.sup.3R.sup.4)m-, [0061] --CO(CR.sup.3R.sup.4)n-, [0062]
--(CR.sup.3R.sup.4)mCO--, [0063] --CONR.sup.5(CR.sup.3R.sup.4)n-,
[0064] --NR.sup.5CO(CR.sup.3R.sup.4)n-, [0065]
--(CR.sup.3R.sup.4)mNR.sup.5CO--, [0066]
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-, [0067]
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-, [0068]
--(CR.sup.8R.sup.9)rO(CR.sup.3R.sup.4)n-, [0069]
--(CR.sup.8R.sup.9)rS(CR.sup.3R.sup.4)n-, [0070]
--(CR.sup.8R.sup.9)rSO(CR.sup.3R.sup.4)n-, [0071]
--(CR.sup.8R.sup.9)rSO.sub.2(CR.sup.3R.sup.4)n-, [0072]
--CR.sup.9.dbd.N--O(CR.sup.3R.sup.4)n-, [0073]
--C(.dbd.O)O(CR.sup.3R.sup.4)n-, [0074]
--(CR.sup.3R.sup.4)mC(.dbd.N--OR.sup.7)-, [0075]
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-, [0076]
--(CR.sup.3R.sup.4)mCH(OR.sup.8)--, [0077]
--NR.sup.5COCO(CR.sup.3R.sup.4)n-, [0078]
--(CR.sup.3R.sup.4)mNR.sup.5COCO--, [0079]
--COCONR.sup.5(CR.sup.3R.sup.4)n-, [0080]
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-, [0081]
--CH(OR.sup.8)(CR.sup.3R.sup.4)nNR.sup.5CO--, [0082]
--NR.sup.5(CR.sup.3R.sup.4)mCO--, [0083]
-A.sup.3-(CR.sup.3R.sup.4)n-, [0084] --(CR.sup.3R.sup.4)m-A.sup.3-,
[0085] -A.sup.3-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-, [0086]
--CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-A.sup.3-, [0087]
-A.sup.3-NR.sup.6(CR.sup.3R.sup.4)n-, [0088]
--(CR.sup.3R.sup.4)nNR.sup.6-A.sup.3- or [0089]
--NR.sup.6(CR.sup.3R.sup.4)m-A.sup.3-, [0090] further, X may be
[0091] --CONR.sup.5(CR.sup.3R.sup.4)m-NR.sup.6--, [0092]
--(CR.sup.3R.sup.4)mCONR.sup.5--, [0093]
--(CR.sup.3R.sup.4)mNR.sup.5CONR.sup.6--, [0094]
--CO(CR.sup.3R.sup.4)mNR.sup.5--, or [0095]
-A.sup.3-(CR.sup.3R.sup.4)mNR.sup.6-- when Z is CR.sup.1--; [0096]
m is an integer of 1 to 4; [0097] n and r are an integer of 0 to 4;
[0098] A.sup.3 is an aromatic hydrocarbon cyclic group which is
optionally substituted, an aromatic heterocyclic group which is
optionally substituted, or a non-aromatic heterocyclic group which
is optionally substituted; [0099] R.sup.3 and R.sup.4 are each
independently hydrogen, halogen, hydroxy, optionally substituted
lower alkyl, or optionally substituted lower alkoky, when there are
plurality of R.sup.3s and R.sup.4s, respectively, they may be
different from each other; [0100] R.sup.5, R.sup.6, R.sup.7,
R.sup.8, R.sup.9, R.sup.10 and R.sup.11 are each independently
hydrogen or lower alkyl, and [0101] when m or n is 1 or more,
R.sup.1 may be taken together with R.sup.3 on CR.sup.3R.sup.4
adjacent to a carbon atom to which R.sup.1 binds, to form a single
bond, or a pharmaceutically acceptable salt, or a solvate thereof.
[0102] (1') A compound represented by the formula (I):
##STR00003##
[0102] wherein Z is N or CR.sup.1; [0103] A.sup.1 is a
nitrogen-containing aromatic monocyclic group which is optionally
substituted, or a nitrogen-containing aromatic fused cyclic group
which is optionally substituted, the nitrogen-containing aromatic
monocyclic group or the nitrogen-containing aromatic fused cyclic
group satisfies at least one of the following conditions: [0104] i)
the group has at least one group selected from optionally protected
hydroxy, optionally protected amino and optionally substituted
aminooxy, and [0105] ii) the group contains --NH-- in the ring;
[0106] A.sup.2 is an aromatic hydrocarbon cyclic group which is
optionally substituted or an aromatic heterocyclic group which is
optionally substituted; [0107] R.sup.1 and R.sup.2 are each
independently hydrogen, hydroxy or lower alkyl, or R.sup.1 and
R.sup.2 may be taken together to form a single bond; [0108]
R.sup.a, R.sup.b, R.sup.c and R.sup.d are each independently
hydrogen or lower alkyl and, when there are a plurality of
R.sup.as, a plurality of R.sup.bs, a plurality of R.sup.cs or a
plurality of R.sup.ds, they may be different, respectively; [0109]
w is 2 or 3; [0110] t is 1 or 2; [0111] X is --(CR.sup.3R.sup.4)m-,
--CO(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)nCO--,
--CONR.sup.5(CR.sup.3R.sup.4)n-,
--CONR.sup.5(CR.sup.3R.sup.4)m-NR.sup.6--,
--(CR.sup.3R.sup.4)nCONR.sup.5--, --NR.sup.5CO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5CO--,
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5CONR.sup.6--,
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rO(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rS(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rSO(CR.sup.3R.sup.4)n-,
--(CR.sup.8R.sup.9)rSO.sub.2(CR.sup.3R.sup.4)n-,
--CR.sup.9.dbd.N--O (CR.sup.3R.sup.4)n-,
--C(.dbd.O)O(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nC(.dbd.N--OR.sup.7)--,
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nCH(OR.sup.8)--,
--NR.sup.5COCO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5COCO--,
--COCONR.sup.5(CR.sup.3R.sup.4)n-,
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)nNR.sup.5CO--,
-A.sup.3-(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)n-A.sup.3-,
-A.sup.3-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-,
--CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-A.sup.3-,
-A.sup.3-(CR.sup.3R.sup.4)nNR.sup.6--,
-A.sup.3-NR.sup.6(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.6-A.sup.3- or
--NR.sup.6(CR.sup.3R.sup.4)n-A.sup.3-; [0112] m is an integer of 1
to 4; [0113] n and r are an integer of 0 to 4; [0114] A.sup.3 is an
aromatic hydrocarbon cyclic group which is optionally substituted,
an aromatic heterocyclic group which is optionally substituted, or
a non-aromatic heterocyclic group which is optionally substituted;
[0115] R.sup.3 and R.sup.4 are each independently, hydrogen,
halogen, hydroxy, optionally substituted lower alkyl, or optionally
substituted lower alkoxy and, where there are a plurality of
R.sup.as and R.sup.4s, respectively, they may be different from
each other; [0116] R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9,
R.sup.10 and R.sup.11 are each independently hydrogen or lower
alkyl; [0117] when m or n is 1 or more, R.sup.1 may be take
together with R.sup.3 on CR.sup.3R.sup.4 adjacent to a carbon atom
to which R.sup.1 binds to form a single bond, or a pharmaceutically
acceptable salt, or a solvate thereof. [0118] (1'') a compound
represented by the formula (I);
##STR00004##
[0118] wherein Z is N or CR.sup.1; [0119] A.sup.1 is a
nitrogen-containing aromatic monocyclic group having at least one
of optionally protected hydroxy, optionally protected amino or
optionally substituted aminooxy, and further optionally substituted
with other group or a nitrogen-containing aromatic fused cyclic
group having at least one of optionally protected hydroxy,
optionally protected amino or optionally substituted aminooxy, and
further optionally substituted with other group, or [0120] a
nitrogen-containing aromatic monocyclic group containing --NH-- in
the ring, in which other ring constituting atoms may be substituted
with a substituent other than optionally protected hydroxy,
optionally protected amino, and optionally substituted aminooxy or
a nitrogen-containing aromatic fused cyclic group containing --NH--
in the ring, in which other ring constituting atoms may be
substituted with a substituent other than optionally protected
hydroxy, optionally protected amino, and optionally substituted
aminooxy; [0121] A.sup.2 is an aromatic hydrocarbon group which is
optionally substituted, or an aromatic heterocyclic group which is
optionally substituted; [0122] R.sup.1 and R.sup.2 are each
independently hydrogen, hydroxy or lower alkyl, or R.sup.1 and
R.sup.2 may be taken together to form a single bond; [0123]
R.sup.a, R.sup.b, R.sup.c and R.sup.d are each independently
hydrogen or lower alkyl and, when there are a plurality of
R.sup.as, a plurality of R.sup.bs, a plurality of R.sup.cs, or a
plurality of R.sup.ds, they may be different respectively; [0124] w
is 2 or 3; [0125] t is 1 or 2; [0126] X is --(CR.sup.3R.sup.4)m-,
--CO(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)nCO--,
--CONR.sup.5(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)nCONR.sup.5--,
--NR.sup.5CO(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)nNR.sup.5CO--,
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5CONR.sup.6--,
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nC(.dbd.N--OR.sup.7)--,
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nCH(OR.sup.8)--,
--NR.sup.5COCO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5COCO--,
--COCONR.sup.5(CR.sup.3R.sup.4)n-,
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)nNR.sup.5CO--,
-A.sup.3-(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)n-A.sup.3-,
-A.sup.3-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-,
--CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-A.sup.3,
-A.sup.3-(CR.sup.3R.sup.4)nNR.sup.6-- or
--NR.sup.6(CR.sup.3R.sup.4)n-A.sup.3-; [0127] m is an integer of 1
to 4; [0128] n is an integer of 0 to 4; [0129] A.sup.3 is:
##STR00005##
[0129] wherein a broken line indicates the presence or the absence
of a bond and R.sup.x is hydrogen or lower alkyl; [0130] R.sup.3
and R.sup.4 are each independently hydrogen, halogen, hydroxy,
optionally substituted lower alkyl, or optionally substituted lower
alkoxy and, when there are a plurality of R.sup.as and R.sup.4s,
they may be different each other; [0131] R.sup.5, R.sup.6, R.sup.7,
R.sup.8, R.sup.9, R.sup.10 and R.sup.11 are each independently
hydrogen or lower alkyl; [0132] when m or n is 1 or more, R.sup.1
may be taken together with R.sup.3 on CR.sup.3R.sup.4 adjacent to
carbon atom to which R.sup.1 binds, to form a single bond, or
pharmaceutically acceptable salt, or a solvate thereof. [0133]
(1''') A compound represented by the formula (I'):
##STR00006##
[0133] wherein Z is N or CR.sup.1; [0134] A.sup.1 is a
nitrogen-containing aromatic monocyclic group having at least one
of optionally protected hydroxy, optionally protected amino or
optionally substituted aminooxy, and further optionally substituted
with other group or a nitrogen-containing aromatic fused cyclic
group having at least one of optionally protected hydroxy,
optionally protected amino or optionally substituted aminooxy, and
further optionally substituted with other group, or [0135] a
nitrogen-containing aromatic monocyclic group containing --NH-- in
the ring, in which other ring constituting atoms may be substituted
with a substituent other than optionally protected hydroxy,
optionally protected amino and optionally substituted aminooxy or a
nitrogen-containing aromatic fused cyclic group containing --NH--
in the ring, in which other ring constituting atoms may be
substituted with a substituent other than optionally protected
hydroxy, optionally protected amino and optionally substituted
aminooxy; [0136] A.sup.2 is an aromatic hydrocarbon cyclic group
which is optionally substituted, or an aromatic heterocyclic group
which is optionally substituted; [0137] R.sup.1 and R.sup.2 are
each independently hydrogen, hydroxy or lower alkyl, or R.sup.1 and
R.sup.2 may be taken together to form a single bond; [0138] X is
--(CR.sup.3R.sup.4)m-, --CO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nCO--, --CONR.sup.5(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nCONR.sup.5--, --NR.sup.5CO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5CO--,
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5CONR.sup.6--,
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nC(.dbd.N--OR.sup.7)-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nCH(OR.sup.8)--,
--NR.sup.5COCO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)nNR.sup.5COCO--,
--COCONR.sup.5(CR.sup.3R.sup.4)n-,
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)nNR.sup.5CO--,
-A.sup.3-(CR.sup.3R.sup.4)n-, --(CR.sup.3R.sup.4)n-A.sup.3-,
-A.sup.3-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-,
-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n-A.sup.3-,
-A.sup.3-(CR.sup.3R.sup.4)nNR.sup.6-- or
--NR.sup.6(CR.sup.3R.sup.4)n-A.sup.3-; [0139] m is an integer of 1
to 4; [0140] n is an integer of 0 to 4; [0141] A.sup.3 is
##STR00007##
[0141] wherein a broken line indicates the presence or the absence
of a bond and R.sup.x is hydrogen or lower alkyl; [0142] R.sup.3
and R.sup.4 are each independently hydrogen, halogen, hydroxy,
optionally substituted lower alkyl or optionally substituted lower
alkoxy and, when there are a plurality of R.sup.as and R.sup.4s,
they may be different from each other, R.sup.5, R.sup.6, R.sup.7,
R.sup.8, R.sup.9, R.sup.10 and R.sup.11 are each independently
hydrogen or lower alkyl; [0143] when m or n is 1 or more, R.sup.1
may be taken together with R.sup.3 on CR.sup.3R.sup.4 adjacent to
carbon atom to which R.sup.1 binds, to form a single bond, or a
pharmaceutically acceptable salt, or a solvate thereof. [0144] (2)
The compound according to (1), (1') or (1''), wherein w is 2 or 3,
and t is 1, or a pharmaceutically acceptable salt, or a solvate
thereof. [0145] (3) The compound according to (1), (1'), or (1''),
(1''') or (2), wherein X is --(CR.sup.3R.sup.4)m-,
--CO(CR.sup.3R.sup.4)n-, --CONR.sup.5(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)mCONR.sup.5--, --NR.sup.5CO(CR.sup.3R.sup.4)n-,
--(CR.sup.3R.sup.4)mNR.sup.5CO--,
--NR.sup.5CONR.sup.6(CR.sup.3R.sup.4)n-,
--C(.dbd.N--OR.sup.7)(CR.sup.3R.sup.4)n-,
--CH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--NR.sup.5COCO(CR.sup.3R.sup.4)n-,
--NR.sup.5COCH(OR.sup.8)(CR.sup.3R.sup.4)n-,
--NR.sup.5(CR.sup.3R.sup.4)mCO--, -A.sup.3-(CR.sup.3R.sup.4)n-,
-A.sup.3-CR.sup.10.dbd.CR.sup.11(CR.sup.3R.sup.4)n- or
-A.sup.3-(CR.sup.3R.sup.4)nNR.sup.6--, or a pharmaceutically
acceptable salt, or a solvate thereof. [0146] (4) The compound
according to (1), (1'), (1''), (1'''), (2) or (3), wherein A.sup.1
is pyridyl substituted with at least hydroxy, quinolyl substituted
with at least hydroxy, benzoxazolyl substituted with at least
hydroxy, benzimidazolyl substituted with at least hydroxy, pyridyl
substituted with at least optionally protected amino, imidazolyl in
which ring constituting atoms other than --NH-- may be substituted,
pyrrolyl in which ring constituting atoms other than --NH-- may be
substituted, pyrazolyl in which ring constituting atoms other than
--NH-- may be substituted, benzpyrazolyl in which ring constituting
atoms other than --NH-- may be substituted, benzimidazolyl in which
ring constituting atoms other than --NH-- may be substituted, or
indolyl in which ring constituting atoms other than --NH-- may be
substituted, or a pharmaceutically acceptable salt, or a solvate
thereof. [0147] (5) The compound according to (1), (1'), (1''),
(1'''), (2) or (3), wherein A.sup.1 is:
##STR00008##
[0147] or a pharmaceutically acceptable salt, or a solvate thereof.
[0148] (6) The compound according to any one of (1) to (5), (1'),
(1'') and (1'''), wherein X is --CO(CHR.sup.3)n-,
--CONH(CHR.sup.3)n-, --NHCO(CHR.sup.3)n-, --NHCONH(CHR.sup.3)n-,
--NHCOCO(CHR.sup.3)n- or --NR.sup.5(CR.sup.3R.sup.4)mCO-- or a
pharmaceutically acceptable salt, or a solvate thereof. [0149] (7)
The compound according to any one of (1) to (5), (1'), (1'') and
(1'''), wherein X is --CO(CHR.sup.3).sub.2--, --CONHCHR.sup.3--,
--CONH(CHR.sup.3).sub.2--, --NHCOCHR.sup.3--,
--NHCO(CHR.sup.3).sub.2--, --NHCONH--, --NHCOCO-- or
--NHCH.sub.2CO-- or a pharmaceutically acceptable salt, or a
solvate thereof. [0150] (8) The compound according to any one of
(1) to (7), (1'), (1'') and (1'''), wherein Z is CR.sup.1, R.sup.1
and R.sup.2 are each independently hydrogen or hydroxy, or R.sup.1
and R.sup.2 are taken together to form a single bond and, when m or
n is 1 or more, R.sup.1 is taken together with R.sup.3 on
CR.sup.3R.sup.4 adjacent to a carbon atom to which R.sup.1 binds,
to form a single bond, or a pharmaceutically acceptable salt, or a
solvate thereof. [0151] (9) The compound according to any one of
(1) to (7), (1'), (1'') and (1'''), wherein Z is N, or a
pharmaceutically acceptable salt, or a solvate thereof. [0152] (10)
The compound according to any one of (1) to (9), (1), (1'') and
(1'''), wherein A.sup.2 is phenyl optionally substituted with one
or more groups selected from halogen, cyano, lower alkyl, halogeno
lower alkyl, lower alkoxy and halogeno lower alkoxy or pyridyl
optionally substituted with one or more groups selected from
halogen, cyano, lower alkyl, halogeno lower alkyl, lower alkoxy and
halogeno lower alkoxy, or a pharmaceutically acceptable salt, or a
solvate thereof. [0153] (11) The compound according to any one of
(1) to (10), (1'), (1'') and (1'''), wherein A.sup.2 is
para-substituted phenyl, meta and para-di-substituted phenyl or
meta and para-tri-substituted phenyl(3,4,5-tri-substituted phenyl),
or a pharmaceutically acceptable salt, or a solvate thereof. [0154]
(12) A pharmaceutical composition containing the compound according
to any one of (1) to (11), (1'), (1'') and (1'''), or a
pharmaceutically acceptable salt, or a solvate thereof. [0155] (13)
The pharmaceutical composition according to (12), which has the
NMDA receptor antagonism. [0156] (14) The pharmaceutical
composition according to (13), which has the NR1/NR2B receptor
antagonism. [0157] (15) A method of alleviating pain, or a method
of treating migraine, cerebral stroke, head trauma, Alzheimer's
diseases, Parkinson's disease, tinnitus, epilepsia, Huntington's
disease, motion disorder or alcoholism, comprising administering
the compound as defined in any one of (1) to (11), (1'), (1'') and
(1'''). [0158] (16) Use of the compound as defined in any one of
(1) to (11), (1'), (1'') and (1'''), for producing an analgesic, or
a remedy for migraine, cerebral stroke, head trauma, Alzheimer's
diseases, Parkinson's disease, tinnitus, epilepsia, Huntington's
disease, motion disorder or alcoholism.
EFFECT OF THE INVENTION
[0159] The present compound is not only used in treating
neurodegeneration such as cerebral stroke and cerebral trauma, but
also is useful as an analgesic (e.g. cancer pain analgesic) having
little side effect.
BEST MODE FOR CARRYING OUT THE INVENTION
[0160] Herein, the "optionally protected hydoxy" includes, for
example, hydroxy optionally protected with a protecting group
selected from lower alkyl (methyl, tert-butyl etc.), aryl lower
alkyl (triphenylmethyl, benzyl etc.), tri lower alkylsilyl
(trimethylsilyl, tert-butyldimethylsilyl, triethylsilyl,
triisopropylsilyl etc.), lower alkyldiarylsilyl
(tert-butyldiphenylsilyl etc.), triaryl lower alkylsilyl
(tribenzylsilyl etc.), lower alkoxy lower alkyl (methoxymethyl,
1-ethoxyethyl, 1-methyl-1-methoxymethyl etc.), lower alkoxy lower
alkoxy lower alkyl (methoxyethoxymethyl etc.), lower alkylthio
lower alkyl (methylthiomethyl etc.), tetrahydropyranyl
(tetrahydropyran-2-yl, 4-methoxytetrahydropyran-4-yl etc.),
tetrahydrothiopyranyl (tetrahydrothiopyran-2-yl etc.),
tetrahydrofuranyl (tetrahydrofuran-2-yl etc.),
tetrahydrothiofuranyl (tetrahydrothiofuran-2-yl etc.), aryl lower
alkoxy lower alkyl (benzyloxymethyl etc.), lower alkylsulfonyl,
arylsulfonyl, lower alkylarylsulfonyl (p-toluenesulfonyl etc.) and
acyl. A preferable protecting group is lower alkyl, aryl lower
alkyl or lower alkylsulfonyl.
[0161] The "optionally protected amino" includes, for example,
amino optionally protected with a protecting group selected from
lower alkoxycarbonyl (tert-butyloxycarbonyl etc.), lower
alkenyloxycarbonyl (vinyloxycarbonyl, allyloxycarbonyl etc.),
halogeno lower alkoxycarbonyl (2-iodinated ethoxycarbonyl,
2,2,2-trichloroethoxycarbonyl etc.), aryl lower alkoxycarbonyl
(benzyloxycarbonyl, p-methoxybenzyloxycarbonyl,
o-nitrobenzyloxycarbonyl, p-nitrobenzyloxycarbonyl,
phenyloxycarbonyl etc.), tri lower alkylsilyl (trimethylsilyl,
triethylsilyl, tert-butyldimethylsilyl etc.), diazo, acyl (formyl,
acetyl, pivaloyl, benzoyl etc.), halogeno acyl (trifluoroacetyl
etc.), lower alkylsulfonyl (methanesulfonyl etc.), halogeno lower
alkylsulfonyl (trifluoroethanesulfonyl etc.), arylsulfonyl, lower
alkylarylsulfonyl (toluenesulfonyl, 4-tert-butylbenzenesulfonyl
etc.), aryl lower alkyl (triphenylmethyl etc.). A preferable
protecting group is acyl or lower alkylsulfonyl.
[0162] Examples of a substituent of the "optionally substituted
aminooxy" include lower alkyl and acyl.
[0163] The "nitrogen-containing aromatic monocyclic group" includes
a 5- to 6-membered aromatic cyclic group having at least one N in
the ring and, further, optionally having O or S, such as:
##STR00009##
[0164] The "nitrogen-containing aromatic fused cyclic group"
includes: [0165] a) a group in which one or two aromatic ring(s) or
non-aromatic ring(s) (preferably, benzene ring or aromatic hetero
ring" is (are) fused to a 5- to 6-membered aromatic cyclic group
having at least one N in the ring and, further, optionally having O
or S, and [0166] b) a group in which one or two benzene ring(s) or
aromatic hetero ring(s) is (are) fused to a 5- to 7-membered
non-aromatic cyclic group having at least one N in the ring and,
further, optionally having O or S, preferably a).
[0167] Examples include:
##STR00010## ##STR00011##
A bond may be present on any ring.
[0168] The "nitrogen-containing aromatic monocyclic group which is
optionally substituted, or nitrogen-containing aromatic fused
cyclic group which is optionally substituted", and the
"nitrogen-containing aromatic monocyclic group or the
nitrogen-containing aromatic fused cyclic group having at least one
of optionally protected hydroxy, optionally protected amino or
optionally substituted aminooxy and, further optionally substituted
with other group" satisfying the condition of "i) having at least
one group selected from optionally protected hydroxy, optionally
protected amino and optionally substituted aminooxy" includes the
"nitrogen-containing aromatic monocyclic group" having at least one
group selected from optionally protected hydroxy, optionally
protected amino and optionally substituted aminooxy on the ring
and, further, optionally substituted with one or more groups
selected from Substituent group .alpha., and the
"nitrogen-containing aromatic fused cyclic group" having at least
one group selected from optionally protected hydroxy, optionally
protected amino and optionally substituted aminooxy on the ring
and, further, optionally substituted with one or more groups
selected from Substituent group .alpha..
[0169] Herein, the Substituent group .alpha. is a group consisting
of halogen, lower alkyl, halogeno lower alkyl, lower alkoxy,
halogeno lower alkoxy, acyl, acyloxy, lower alkylamino, carboxy,
lower alkoxycarbonyl, cyano and nitro.
[0170] The "pyridyl substituted with at least hydroxy", the
"quinolyl substituted with at least hydroxy", the "benzoxyazolyl
substituted with at least hydroxy" and the "benzimidazolyl
substituted with at least hydroxy" include pyridyl, quinolyl,
benzoxazolyl and benzimidazolyl having at least one hydroxy as a
substituent and, optionally substituted with 1 or more groups
selected from Substituent group .alpha., respectively. Examples are
6-hydroxypyridin-3-yl, 2-hydroxypyridin-3-yl,
6-hydroxy-4-methyl-pyridin-3-yl,
4-acetyl-2-hydroxy-benzoxazol-6-yl.
[0171] The "pyridyl substituted with at least optionally protected
amino" includes pyridyl having at least one amino or protected
amino as a substituent and, further, optionally substituted with 1
or more groups selected from Substituent group .alpha..
[0172] The "nitrogen-containing aromatic monocyclic group which is
optionally substituted, or the nitrogen-containing aromatic fused
cyclic group which is optionally substituted" and the
"nitrogen-containing aromatic monocyclic group or the
nitrogen-containing aromatic fused cyclic group containing --NH--
in the ring, and in which other ring constituting atoms may be
substituted with a substituent other than optionally protected
hydroxy, optionally protected amino and optionally substituted
aminooxy" satisfying the condition of "ii) containing --NH-- in the
ring" includes groups containing a --NH-- group in the ring among
the "nitrogen-containing aromatic monocyclic group" and the
"nitrogen-containing aromatic fused cyclic group".
[0173] Examples are as follows:
##STR00012##
A bond may be present on any ring, and arbitrary ring constituting
atoms other than --NH-- may be substituted with one or more groups
selected from Substituent group .beta..
[0174] Herein, Substituent group .beta. is halogen, lower alkyl,
halogeno lower alkyl, acyl, carboxy, lower alkoxycarbonyl, cyano
and nitro.
[0175] The "imidazolyl in which ring constituting atoms other than
--NH-- may be substituted", the "pyrrolyl in which ring
constituting atoms other than --NH-- may be substituted", the
"pyrazolyl in which ring constituting atoms other than --NH-- may
be substituted", the "benzpyrazolyl in which ring constituting
atoms other than --NH-- may be substituted", the "benzimidazolyl in
which ring constituting atoms other than --NH-- may be substituted"
and the "indolyl in which ring constituting atoms other than --NH--
may be substituted" include imidazolyl, pyrrolyl, pyrazolyl,
benzpyrazolyl, benzimidazolyl and indolyl in which arbitrary ring
constituting atoms other than --NH-- may be substituted with 1 or
more groups selected from Substituent group .beta.,
respectively.
[0176] The "aromatic hydrocarbon cyclic group" includes phenyl,
naphthyl, phenanthryl and the like.
[0177] Examples of a substituent of the "aromatic hydrocarbon
cyclic group which is optionally substituted" include halogen,
hydroxy, lower alkyl, halogeno lower alkyl, lower alkoxy, halogeno
lower alkoxy, lower alkylsulfonyloxy, halogeno lower
alkylsulfonyloxy, acyl, acyloxy, amino, lower alkylamino,
acylamino, nitro, cyano, carboxy, lower alkoxycarbonyl, carbamoyl,
lower alkylcarbamoyl, aromatic hydrocarbon cyclic group optionally
substituted with 1 or more groups selected from Substituent group
.gamma., arylthio optionally substituted with one or more groups
selected from Substituent group .gamma., aryloxy optionally
substituted with one or more groups selected from Substituent group
.gamma., arylamino optionally substituted with one or more groups
selected from Substituent group .gamma., arylsulfonyloxy optionally
substituted with one or more groups selected from Substituent group
.gamma..
[0178] Herein, the Substituent group .gamma. is a group consisting
of halogen, hydroxy, lower alkyl, halogeno lower alkyl, lower
alkoxy, halogeno lower alkoxy, acyl, acyloxy, amino, lower
alkylamino, acylamino, carboxy, lower alkoxycarbonyl, cyano and
nitro.
[0179] A preferable example of the "aromatic hydrocarbon cyclic
group which is optionally substituted" is phenyl substituted at a
para-position or phenyl substituted at a meta-position and a
para-position, and a substituent is preferably halogen and/or
halogeno lower alkyl.
[0180] An aryl part of the "arylsulfonyl", the "arylsulfonyloxy",
the "aryloxy", the "arylthio", the "arylamino", the "aryl lower
alkyl", the "lower alkyldiarylsilyl", the "triaryl lower
alkylsilyl", the "aryl lower alkoxy lower alkyl", the "lower
alkylarylsulfonyl", or the "aryl lower alkoxycarbonyl" is the same
as that of the "aromatic hydrocarbon cyclic group". Preferable is
phenyl.
[0181] The "aromatic heterocyclic group" includes a 5- to
6-membered aromatic monocyclic group containing 1 to 4 hetero
atom(s) selected from the group consisting of N, O and S (e.g.
pyrrolyl, imidazolyl, pyrazolyl, pyridyl, pyridazinyl, pyrimidinyl,
pyrazinyl, triazolyl, triazinyl, tetrazolyl, isoxazolyl, oxazolyl,
oxadiazolyl, isothiazolyl, thiazolyl, thiadiazolyl, furyl and
thienyl), and an aromatic fused cyclic group (e.g. indolyl,
isoindolyl, indolizidinyl, benzimidazolyl, benzpyrazolyl,
indazolyl, cinnolinyl, phthalazinyl, benzoxazolyl, benzisoxazolyl,
benzoxadiazolyl, benzothiazolyl, benzisothiazolyl,
benzthiadiazolyl, benzofuryl, isobenzofuryl, benzothienyl,
benzotriazolyl, imidazopyridyl, triazolopyridyl, imidathiazolyl,
pyrazinopyridazinyl, quinazolinyl, quinolyl, isoquinolyl,
quinoxalinyl, purinyl, pteridinyl, naphthyridinyl and
pyrazinopyridazinyl etc.).
[0182] The "non-aromatic heterocyclic group" include a 5- to
6-membered aromatic monocyclic group containing 1 to 4 hetero
atom(s) selected from the group consisting of N, O and S (e.g.
thiranyl, oxylanyl, azetidinyl, pyrrolidinyl, pyrrolinyl,
imidazolidinyl, imidazolinyl, pyrazolidinyl, pyrazolinyl,
tetrahydrofuryl, dihydrofuryl, oxazolinyl, oxazolidinyl,
isoxazolinyl, isoxazolidinyl, oxadiazolinyl, oxathiolanyl,
dioxolanyl, dioxolyl, tetrahydrothienyl, dihydrothienyl,
thiazolinyl, thiazolidinyl, isothiazolinyl, isothiazolidinyl,
tetrahydropyranyl, thianyl, piperidinyl, dioxanyl, piperadinyl,
morpholinyl, morpholino, thiomorpholinyl, thiomorpholino,
dihydropyridyl etc.).
[0183] Particularly, the "aromatic hydrocarbon cyclic group", the
"aromatic heterocyclic group" and the "non-aromatic heterocyclic
group" in A.sup.3 include a divalent group of the "aromatic
hydrocarbon cyclic group", the "aromatic heterocyclic group" and
the "non-aromatic heterocyclic group". A bond may be present at any
possible position and, specifically, examples include the following
groups:
##STR00013##
wherein a broken line indicates the presence or the absence of the
bond, and R.sup.x is hydrogen or lower alkyl
[0184] A substituent of the "aromatic heterocyclic group which is
optionally substituted" and the "non-aromatic heterocyclic group
which is optionally substituted" is the same as that of the
"aromatic hydrocarbon cyclic group which is optionally
substituted".
[0185] A preferable example of the "aromatic heterocyclic group
which is optionally substituted" in A.sup.2 is optionally
substituted pyridyl, and examples of a preferable substituent
include halogen, halogeno lower alkyl, lower alkoxy, halogeno lower
alkoxy and the like.
[0186] The "halogen" includes F, Cl, Br and I.
[0187] A lower alkyl part and a halogen part of the "halogeno lower
alkyl", the "halogeno lower alkoxy", the "halogeno lower
alkoxycarbonyl", the "halogenoacyl", "halogeno lower
alkylsulfonyl", and the "halogeno lower alkylsulfonyloxy" are the
same as the "halogen".
[0188] The "lower alkyl" includes a linear or branched alkyl of a
carbon number of 1 to 10, preferably a carbon number of 1 to 6,
further preferably a carbon number of 1 to 3, and examples include
methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl,
tert-butyl, n-pentyl, isopentyl, neopentyl, hexyl, isohexyl,
n-heptyl, isoheptyl, n-octyl, isooctyl, n-nonyl and n-decyl.
Particularly preferable is methyl or ethyl.
[0189] Examples of a substituent of the "optionally substituted
lower alkyl" include halogen, hydroxy, lower alkoxy, halogeno lower
alkoxy, acyl, acyloxy, amino, lower alkylamino, acylamino, carboxy,
lower alkoxycarbonyl, cyano, nitro and the like, and a preferable
example of substituted lower alkyl is trihalogeno lower alkyl and
the like.
[0190] A lower alkyl part of the "halogeno lower alkyl", the "lower
alkoxy lower alkyl", the "lower alkoxy lower alkoxy lower alkyl",
the "lower alkylthio lower alkyl", the "aryl lower alkoxy lower
alkyl", the "lower alkoxy", the "halogeno lower alkoxy", the "lower
alkoxycarbonyl", the "halogeno lower alkoxycarbonyl", the "aryl
lower alkoxycarbonyl", the "lower alkylcarbamoyl", the "lower
alkylsulfonyl", the "lower alkylarylsulfonyl", the "lower
alkylsulfonyloxy", "halogeno lower alkylsulfonyl", the "halogeno
lower alkylsulfonyloxy", the "lower alkylamino", the "aryl lower
alkyl", the "tri lower alkkylsilyl", the "lower alkyldiarylsilyl",
and the "triaryl lower alkylsilyl" is the same as the "lower
alkyl".
[0191] A substituent of the "optionally substituted lower alkoxy"
is the same as the substituent of the "optionally substituted lower
alkyl".
[0192] The "lower alkenyl" includes a linear or branched alkenyl of
a carbon number of 2 to 10, preferably a carbon number of 2 to 8,
further preferably a carbon number of 3 to 6, having one or more
double bonds at an arbitrary position. Specifically, examples
include vinyl, allyl, propenyl, isopropenyl, butenyl, isobutenyl,
prenyl, butadienyl, pentenyl, isopentenyl, pentadienyl, hexenyl,
isohexenyl, hexadienyl, heptenyl, octenyl, nonenyl and decenyl.
[0193] A lower alkenyl part of the "lower alkenyloxycarbonyl" is
the same as the "lower alkenyl".
[0194] The "acyl" includes aliphatic acyl and aroyl of a carbon
number of 1 to 7. Specifically, examples include formyl, acetyl,
propionyl, butyryl, isobutyryl, valeryl, pivaloyl, hexanoyl,
acryloyl, propionyl, methacryloyl, crotonolyl and benzoyl.
[0195] An acyl part of the "acyloxy", the "acylamino" and the
"halogeno acyl" is the same as the "acyl".
[0196] The case that "R.sup.1 and R.sup.2 are taken together to
form a single bond" means that
##STR00014##
[0197] The case that "when m or n is 1 or more, R.sup.1 is taken
together with R.sup.3 on CR.sup.3R.sup.4 adjacent to a carbon atom
to which R.sup.1 binds" means that
##STR00015##
wherein X.sup.a is --CO--, --CONR.sup.5--, --NR.sup.5CO--,
--NR.sup.5CONR.sup.6--, --C(.dbd.N--OR.sup.7)--,
--(CR.sup.8R.sup.9)rO--, --(CR.sup.8R.sup.9)rS--,
--(CR.sup.8R.sup.9)rSO--, --(CR.sup.8R.sup.9)rSO.sub.2--,
--CR.sup.9.dbd.N--O--, --C(.dbd.O)O--, --CH(OR.sup.8)--,
--NR.sup.5COCO--, --COCONR.sup.5--, --NR.sup.5COCH(OR.sup.8)--,
-A.sup.3-, -A.sup.3NR.sup.6-- or
-A.sup.3-CR.sup.10.dbd.CR.sup.11--, and other symbols are as
defined above.
[0198] The present compound (I) is not limited to a specified
isomer, but includes all possible isomers and racemates. For
example, a tautomer is included as follows.
##STR00016##
[0199] A general method of synthesizing the present compound will
be shown below, but the method is not limited to the present
synthesizing method.
A Method: Synthesis of (I-a) from (II)
[0200] A compound represented by the general formula (I-a) can be
synthesized by condensing ketone represented by the general formula
(II) and an organophosphorus compound represented by the general
formula (III) or (IV) in the presence of a base:
##STR00017##
wherein X.sup.1 is optionally substituted lower alkenylene, or
-A.sup.3-(CR.sup.3R.sup.4)s, s is an integer of 0 to 3, Z is a
chlorine atom or a bromine atom, a wave line indicates a cis or
trans form, and other respective symbols are as defined above.
[0201] The ketone represented by the general formula (II) can be
synthesized by the method described in Reference Examples 8 to 9
described later, and a method similar thereto. And, the
organophosphorus compound represented by the general formula (III)
and (IV) can be synthesized by the method described in New
Experimental Chemistry Course 14, MARUZEN Co., Ltd (1977), or a
method similar thereto.
[0202] The organophosphorus compound represented by the general
formula (III) or (IV) can be used at 1 to 5 mole equivalent based
on the compound represented by the general formula (II).
[0203] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide, liquid ammonia and the like.
[0204] Examples of the base include lithium hydroxide, sodium
hydroxide, potassium hydroxide, sodium hydride, potassium hydride,
sodium methoxide, potassium tert-butoxide, n-butyllithium,
lithiumhexamethyldisilazide, sodium hexamethyldisilazide, potassium
hexamethyldisilazide, sodium amide and the like. The base can be
used at 1.0 to 5 mole equivalent based on the compound represented
by the general formula (II).
[0205] An example of a reaction temperature is -70 to 100.degree.
C.
[0206] An example of a reaction time is 0.5 to 72 hours.
[0207] The resulting compound represented by the general formula
(I-a) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
B Method: Synthesis of (Pb) from (I-a)
[0208] A compound represented by the general formula (I-b) can be
synthesized by reducing a compound represented by the general
formula (I-a) with hydrogen in the presence of a metal
catalyst:
##STR00018##
wherein each symbol is as defined above.
[0209] Examples of the reaction solvent include methanol, ethanol,
ethyl acetate, tetrahydrofuran, N,N-dimethylformamide and the
like.
[0210] Examples of the metal catalyst include 5% palladium-carbon,
10% palladium-carbon, platinum oxide,
chlorotris(triphenylphosphine)rhodium (I). The metal catalyst can
be used at 0.01 to 0.5 weight percent based on the compound
represented by the general formula (I-a).
[0211] An example of a hydrogen pressure is 1 to 50 atm.
[0212] An example of a reaction temperature is 20.degree. C. to a
refluxing temperature of a solvent.
[0213] An example of a reaction time is 0.5 to 72 hours.
[0214] The resulting compound represented by the general formula
(I-b) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
C Method: Synthesis of (I-c) from (II)
[0215] A compound represented by the general formula (I-c) can be
synthesized by reacting the ketone represented by the general
formula (II) with an organometallic compound represented by the
general formula (V):
##STR00019##
wherein X.sup.2 is optionally substituted lower alkenylene, or
-A.sup.3-(CR.sup.3R.sup.4)n, L.sup.1 is lithium, MgCl, MgBr or MgI,
and other respective symbols are as defied above.
[0216] The compound represented by the general formula (V) can be
used at 1 to 3 mole equivalent based on the ketone represented by
the general formula (II).
[0217] An example of a reaction solvent is diethyl ether,
tetrahydrofuran and the like.
[0218] An example of a reaction temperature is -70 to 50.degree.
C.
[0219] An example of a reaction time is 0.5 to 24 hours.
[0220] The resulting compound represented by the general formula
(I-c) can be isolated and purified by the known method (e.g.
chromatography, recrystallization etc.).
D Method: Synthesis of (I-d) from Compound (VI):
##STR00020##
wherein R.sup.13 is C.sub.1-4 alkyl, and other respective symbols
are as defined above.
[0221] Compounds represented by the general formulas (VI) and (VII)
can be synthesized by the method described in Reference Example 11
described later, and a method similar thereto.
Synthesis of (VII) from (VI)
[0222] Carboxylic acid represented by the general formula (VII) can
be synthesized by hydrolyzing the compound represented by the
general formula (VI).
[0223] Lithium hydroxide, sodium hydroxide or potassium hydroxide
can be used at 1 to 5 mole equivalent based on the compound
represented by the general formula (VI).
[0224] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and they can be
used alone or in combination.
[0225] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0226] An example of a reaction time is 0.5 to 24 hours.
[0227] The resulting compound represented by the general formula
(VII) can be isolated and purified by the known method (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-d) from (VII)
[0228] An amide compound represented by the general formula (I-d)
can be synthesized by condensing carboxylic acid represented by the
general formula (VII) and an amine compound represented by the
general formula (VIII) in the presence of a condensing agent.
[0229] The compound represented by the general formula (VIII) can
be used at 0.5 to 2 mole equivalent based on the compound
represented by the general formula (VII).
[0230] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0231] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (VII).
1-Hydroxybenzotriazole may be used as a condensation assistant at
0.5 to 2 mole equivalent.
[0232] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or in combination. The base can be used at 0.05
to 2 mole equivalent based on the compound represented by the
general formula (VII).
[0233] An example of a reaction temperature is 0 to 100.degree.
C.
[0234] An example of a reaction time is 0.5 to 72 hours.
[0235] The resulting compound represented by the general formula
(I-d) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
E Method: Synthesis of (I-e) from Compound (VII):
##STR00021##
wherein respective symbols are as defined above.
[0236] An alcohol represented by the general formula (IX) can be
synthesized by the method described in Reference Examples 1 to 7
described later, and a method similar thereto.
Synthesis of (X) from (IX)
[0237] A compound represented by the general formula (X) can be
synthesized by condensing the alcohol represented by the general
formula (IX) and phthalimide in the presence of an azo compound and
a trivalent phosphorus compound.
[0238] The phthalimide can be used at 1 to 3 mole equivalent based
on the compound represented by the general formula (IX).
[0239] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile and the like.
[0240] Examples of the azo compound include diethyl
azodicarboxylate, diisopropyl azodicarboxylate and the like, and
the azo compound can be used at 1 to 3 mole equivalent based on the
compound represented by the general formula (IX).
[0241] Examples of the trivalent phosphorus compound include
triphenylphosphine, tributylphosphine and the like, and the
trivalent phosphorus compound can be used at 1 to 3 mole equivalent
based on the compound represented by the general formula (IX).
[0242] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0243] An example of a reaction time is 0.5 to 72 hours.
[0244] The resulting compound represented by the general formula
(X) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XI) from (X)
[0245] An amine compound represented by the general formula (XI)
can be synthesized by treating the compound represented by the
general formula (XI) with hydrazine hydrate.
[0246] The hydrazine hydrate can be used at 1.0 to 5 mole
equivalent based on the compound represented by the general formula
(X).
[0247] Examples of the reaction solvent include methanol, ethanol,
dichloromethane, N,N-dimethylformamide and the like.
[0248] An example of a reaction temperature is 0 to 100.degree.
C.
[0249] An example of a reaction time is 0.5 to 24 hours.
[0250] The resulting compound represented by the general formula
(XI) can be isolated and purified by the known means (e.g.
chromatography, recrystalization etc.).
Synthesis of (I-e) from (XI)
[0251] An amide compound represented by the general formula (I-e)
can be synthesized by condensing the amine compound represented by
the general formula (XII) with carboxylic acid represented by the
general formula (X) in the presence of a condensing agent.
[0252] The compound represented by the general formula (X) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XII).
[0253] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0254] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, ethyl
chlorocarbonate, isobutyl chlorocarbonate, thionyl chloride, oxalyl
chloride and the like, and the condensing agent can be used at 0.5
to 2 mole equivalent based on the compound represented by the
general formula (XII). 1-Hydroxybenzotriazole may be used as a
condensation assistant at 0.5 to 2 mole equivalent.
[0255] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and they
may be used alone, or in combination. The base can be used at 0.05
to 2 mole equivalent based on the compound represented by the
general formula (XI).
[0256] An example of a reaction temperature is 0 to 100.degree.
C.
[0257] An example of a reaction time is 0.5 to 72 hours.
[0258] The resulting compound represented by the general formula
(I-e) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
F Method: Synthesis of (I-f) from Compound (XI)
[0259] A compound represented by the general formula (I-f) can be
synthesized by reacting the amine represented by the general
formula (XI) with isocyanate represented by the general formula
(XIII) or carbamate represented by (XIV):
##STR00022##
wherein R.sup.14 is phenyl, or 4-nitrophenyl, and other respective
symbols are as defined above.
[0260] The compound represented by the general formula (XIII) or
(XIV) can be used at 0.5 to 3 mole equivalent based on the compound
represented by the general formula (XI).
[0261] Examples of a reaction solvent include methylene chloride,
1,2-dichloroethane, toluene, acetonitrile, tetrahydrofuran and the
like.
[0262] If necessary, amine such as triethylamine,
diisopropylethylamine and the like can be used at 0.05 to 2 mole
equivalent based on the compound represented by the general formula
(XII).
[0263] An example of a reaction temperature is 0 to 100.degree.
C.
[0264] An example of a reaction time is 0.5 to 72 hours.
[0265] The resulting compound represented by the general formula
(I-f) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
G Method: Syntheis of (I-g) from Compound (II):
##STR00023##
wherein X.sup.3 is (CR.sup.3R.sup.4)s; other respective symbols are
as defined above. Synthesis of (XVII) from (II)
[0266] A compound represented by the general formula (XVII) can be
synthesized by condensing the ketone represented by the general
formula (II) with an organophosphorus compound represented by the
general formula (XV) or (XVI) in the presence of a base.
[0267] The organophosphorus compound represented by the general
formula (XV) or (XVI) can be used at 1 to 5 mole equivalent based
on the compound represented by the general formula (II).
[0268] Examples of a reaction solvent include tetrahyrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide, liquid ammonia and the like.
[0269] Examples of the base include lithium hydroxide, sodium
hydroxide, potassium hydroxide, sodium hydride, potassium hydride,
sodium methoxide, potassium tert-butoxide, n-butyllithium,
lithiumhexamethyldisilazide, sodium hexaethyldisilazide, potassium
hexamethyldisilazide, sodium amide and the like. The base can be
used at 1.0 to 5 mole equivalent based on the compound represented
by the general formula (II).
[0270] An example of a reaction temperature is -70 to 100.degree.
C.
[0271] An example of a reaction time is 0.5 to 72 hours.
[0272] The resulting compound represented by the general formula
(XVII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XVIII) from (XVII)
[0273] Carboxylic acid represented by the general formula (XVIII)
can be synthesized by hydrolyzing the compound represented by the
general formula (XVII).
[0274] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XVII).
[0275] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or in combination.
[0276] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0277] An example of a reaction time is 0.5 to 24 hours.
[0278] The resulting compound represented by the general formula
(XVIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-g) from (XVIII)
[0279] An amide compound represented by the general formula (I-g)
can be synthesized by condensing carboxylic acid represented by the
general formula (XVIII) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0280] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XVIII).
[0281] Examples of the reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0282] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XVIII).
1-Hydroxybenzotriazole may be used as a condensation assistant at
0.5 to 2 mole equivalent.
[0283] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or in combination. The base can be used at 0.05
to 2 mole equivalent based on the compound represented by the
general formula (XVIII).
[0284] An example of a reaction temperature is 0 to 100.degree.
C.
[0285] An example of a reaction time is 0.5 to 72 hours.
[0286] The resulting compound represented by the general formula
(I-g) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
H Method: Synthesis of (I-h) from Compound (XVII):
##STR00024##
wherein respective symbols are as defined above. Synthesis of (XX)
from (XVII)
[0287] A compound represented by the general formula (XX) can be
synthesized by reducing the compound represented by the general
formula (XVII) with hydrogen in the presence of a metal
catalyst.
[0288] Examples of a reaction solvent include methanol, ethanol,
ethyl acetate, tetrahydrofuran, N,N-dimethylformamide and the
like.
[0289] Examples of the metal catalyst include 5% palladium-carbon,
10% palladium-carbon, platinum oxide,
chlorotris(triphenylphosphine)rhodium (I) and the like, and the
metal catalyst can be used at 0.01 to 0.5 weight percent based on
the compound represented by the general formula (VXII).
[0290] An example of a hydrogen pressure is 1 atm to 50 atm.
[0291] An example of a reaction temperature is 20.degree. C. to a
refluxing temperature of a solvent.
[0292] An example of a reaction time is 0.5 to 72 hours.
[0293] The resulting compound represented by the general formula
(XX) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXI) from (XX)
[0294] Carboxylic acid represented by the general formula (XXI) can
be synthesized by hydrolyzing the compound represented by the
general formula (XXI).
[0295] Lithium hydroxide, sodium hydroxide, potassium hydroxide,
and the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XX).
[0296] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or in combination.
[0297] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0298] An example of a reaction time is 0.5 to 24 hours.
[0299] The resulting compound represented by the general formula
(XXI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-h) from (XXI)
[0300] An amide compound represented by the general formula (I-h)
can be synthesized by condensing carboxylic acid represented by the
general formula (XXI) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0301] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXI).
[0302] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimetylformamide and the like.
[0303] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonylimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XXI).
1-Hydroxybenzotriazole may be used as a condensation assistant at
0.5 to 2 mole equivalent.
[0304] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone or in combination. The base can be used at 0.05
to 2 mole equivalent based on the compound represented by the
general formula (XXI).
[0305] An example of a reaction temperature is 0 to 100.degree.
C.
[0306] An example of a reaction time is 0.5 to 72 hours.
[0307] The resulting compound represented by the general formula
(I-h) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
I Method: Synthesis of (I-i) from Compound (XVII-a) or (XX-a):
##STR00025##
wherein X.sup.4 is (CR.sup.3R.sup.4)v, v is an integer of 0 to 2, a
broken line indicates the presence or the absence of a bond, and
other symbols are as defined above. Synthesis of (XXII) from
(XVII-a) or (XX-a)
[0308] An alcohol represented by the general formula (XXII) can be
synthesized by reducing a compound represented by the general
formula (XVII-a) or (XX-a) in the presence of a reducing agent.
[0309] Examples of a reaction solvent include diethyl ether,
tetrahydrofuran, toluene, ethanol and the like, and these can be
used alone, or in combination.
[0310] Examples of the reducing agent include sodium borohydride,
lithium borohydride, lithium aluminum borohydride, diisobutyl
aluminum hydride and the like, and the reducing agent can be used
at 0.5 to 6 mole equivalent based on the compound represented by
the general formula (XVII-a) or (XX-a).
[0311] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0312] An example of a reaction time is 0.5 to 72 hours.
[0313] The resulting compound represented by the general formula
(XXII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXIII) from (XXII)
[0314] A compound represented by the general formula (XXIII) can be
synthesized by condensing an alcohol represented by the general
formula (XXII) with phthalimide in the presence of an azo compound
and a trivalent phosphorus compound.
[0315] The phthalimide can be used at 1 to 3 mole equivalent based
on the compound represented by the general formula (XXII).
[0316] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile and the like.
[0317] Examples of the azo compound include diethyl
azodicarboxylate, diisopropyl azo dicarboxylate, and the like, and
the azo compound can be used at 1 to 3 mole equivalent based on the
compound represented by the general formula (XXII).
[0318] Examples of the trivalent phosphorus compound include
triphenylphosphine, tributylphosphine and the like, and the
trivalent phosphorus compound can be used at 1 to 3 mole equivalent
based on the compound represented by the general formula
(XXII).
[0319] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0320] An example of a reaction time is 0.5 to 72 hours.
[0321] The resulting compound represented by the general formula
(XXIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXIV) from (XXIII)
[0322] An amine compound represented by the general formula (XXIV)
can be synthesized by treating the compound represented by the
general formula (XXIII) with hydrazine hydrate.
[0323] The hydrazine hydrate can be used at 1.0 to 5 mole
equivalent based on the compound represented by the general formula
(XXIII).
[0324] Examples of a reaction solvent include methanol, ethanol,
dichloromethane, N,N-dimethylformamide and the like.
[0325] An example of a reaction temperature is 0 to 100.degree.
C.
[0326] An example of a reaction time is 0.5 to 24 hours.
[0327] The resulting compound represented by the general formula
(XXIV) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-i) from (XXIV)
[0328] An amide compound represented by the general formula (I-i)
can be synthesized by condensing the amine compound represented by
the general formula (XXIV) with carboxylic acid represented by the
general formula (XII) in the presence of a condensing agent.
[0329] The compound represented by the general formula (XII) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXIV).
[0330] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0331] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarobodiimide hydrochloride, ethyl
chlorocarbonate, isobutyl chlorocarbonate, thionyl chloride, oxalyl
chloride and the like, and the condensing agent can be used at 0.5
to 2 mole equivalent based on the compound represented by the
general formula (XXIV). 1-Hydroxybenzotriazole may be used as a
condensation assistant at 0.5 to 2 mole equivalent.
[0332] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or in combination. The base can be used at 0.05
to 2 mole equivalent based on the compound represented by the
general formula (XXIV).
[0333] An example of a reaction temperature is 0 to 100.degree.
C.
[0334] An example of a reaction time is 0.5 to 72 hours.
[0335] The resulting compound represented by the general formula
(I-i) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
J Method: Synthesis of (I-j) from Compound (XXIV)
[0336] A compound represented by the general formula (I-j) can be
synthesized by reacting amine represented by the general formula
(XXIV) with isocyanate represented by the general formula (XIII) or
carbamate represented by (XIV):
##STR00026##
wherein respective symbols are as defined above.
[0337] The compound represented by the general formula (XIII) or
(XIV) can be used at 0.5 to 3 mole equivalent based on the compound
represented by the general formula (XXIV).
[0338] Examples of a reaction solvent include methylene chloride,
1,2-dichloroethane, toluene, acetonitrile, tetrahydrofuran and the
like.
[0339] If necessary, amine such as triethylamine,
diisopropylethylamine and the like can be used at 0.05 to 2 mole
equivalent based on the compound represented by the general formula
(XXV).
[0340] An example of a reaction temperature is 0 to 100.degree.
C.
[0341] An example of a reaction time is 0.5 to 72 hours.
[0342] The resulting compound represented by the general formula
(I-j) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
K Method: Synthesis of (I-k) from Compound (XXII):
##STR00027##
wherein L.sup.2 is a halogen atom, C.sub.1-4 alkylsulfonyloxy,
C.sub.6-9 alylsulfonyloxy, and other respective symbols are as
defined above. Synthesis of (XXV) from (XXII)
[0343] A compound represented by the general formula (XXV) can be
synthesized by reacting the compound represented by the general
formula (XXII) with a halogenating agent, alkylsulfonyl chloride or
arylsulfonyl chloride.
[0344] Examples of a reaction solvent include acetonitrile,
methylene chloride, tetrahydrofuran, toluene, N,N-dimethylformamide
and the like.
[0345] Examples of the halogenating agent include carbon
tetrachloride/triphenhylphosphine, carbon
tetrabromide/triphenylphosphine, and carbon tetrachloride or carbon
tetrabromide can be used at 0.5 to 4 mole equivalent, and
triphenylphosphine can be used at 0.5 to 2 mole equivalent based on
the compound represented by the general formula (XXII).
[0346] Examples of the alkylsulfonyl chloride and the arylsulfonyl
chloride include methanesulfonyl chloride benzenesulfonyl chloride,
toluenesulfonyl chloride and the like, and it can be used at 0.5 to
2 mole equivalent based on the compound represented by the general
formula (XXX). Thereupon, as the base, triethylamine or the like
can be used at 1 to 6 mole equivalent based on the compound
represented by the general formula (XXII).
[0347] An example of a reaction temperature is 20.degree. C. to a
refluxing temperature of a solvent.
[0348] An example of a reaction time is 0.5 to 72 hours.
[0349] The resulting compound represented by the general formula
(XXV) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXVI) from (XXV)
[0350] A cyan compound represented by the general formula (XXVI)
can be synthesized by reacting the compound represented by the
general formula (XXV) with a cyanidating agent.
[0351] Examples of a reaction solvent include methylene chloride,
tetrahydrofulan, N,N-dimethylformamide, dimethyl sulfoxide and the
like, and these can be used alone, or in combination.
[0352] Examples of the cyanidating agent include sodium cyanide,
potassium cyanide, tetrabutylammonium cyanide, tetramethylammonium
cyanide and the like, and the cyanidating agent can be used at 1 to
3 mole equivalent based on the compound represented by the general
formula (XXV).
[0353] An example of a reaction temperature is 0 to 100.degree.
C.
[0354] An example of a reaction time is 0.5 to 72 hours.
[0355] The resulting compound represented by the general formula
(XXVI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXVII) from (XXVI)
[0356] Carboxylic acid represented by the general formula (XXVII)
can be synthesized by hydrolyzing the compound represented by the
general formula (XXVI).
[0357] Sodium hydroxide, potassium hydroxide or the like can be
used at 1.0 to 5 mole equivalent based on the compound represented
by the general formula (XXVI).
[0358] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or in combination.
[0359] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0360] An example of a reaction time is 0.5 to 48 hours.
[0361] The resulting compound represented by the general formula
(XXVII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-k) from (XXVII)
[0362] An amide compound represented by the general formula (I-k)
can be synthesized by condensing carboxylic acid represented by the
general formula (XXVII) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0363] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole based on the compound represented by the
general formula (XXVII).
[0364] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0365] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XXVII).
1-Hydroxybenzotriazole or the like may be used as a condensation
assistant at 0.5 to 2 mole equivalent.
[0366] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethyl aminopyridine and the like, and they
can be used alone, or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (XXVII).
[0367] An example of a reaction temperature is 0 to 100.degree.
C.
[0368] An example of a reaction time is 0.5 to 72 hours.
[0369] The resulting compound represented by the general formula
(I-k) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
L Method: Synthesis of (I-l) from Compound (XXII):
##STR00028##
wherein respective symbols are as defined above. Synthesis of
(XXVIII) from (XXII)
[0370] A compound represented by the general formula (XXVIII) can
be synthesized by reacting the compound represented by the general
formula (XXII) with an oxidizing agent.
[0371] Examples of a reaction solvent include ethyl acetate,
methylene chloride, dimethyl sulphoxide and the like.
[0372] Examples of the oxidizing agent include
1-hydroxy-1,2-benziodooxol-3(1H)-one 1-oxide,
1,1-dihydro-1,1,1-triacetoxy-1,2-benziodooxol-3(1H)-one and the
like, and the oxidizing agent can be used at 1 to 5 mole equivalent
based on the compound represented by the general formula
(XXII).
[0373] An example of a reaction temperature is 0 to 50.degree.
C.
[0374] An example of a reaction time is 0.5 to 24 hours.
[0375] The resulting compound represented by the general formula
(XXVIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXX) from (XXVIII)
[0376] A compound represented by the general formula (XXX) can be
synthesized by condensing the compound represented by the general
formula (XXVIII) with an organophosphorus compound represented by
the general formula (XXIX) in the presence of a base.
[0377] The organophosphorus compound represented by the general
formula (XXIX) can be used at 1 to 5 mole equivalent based on the
compound represented by the general formula (XXVIII).
[0378] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide, liquid ammonia and the like.
[0379] Examples of the base include lithium hydroxide, sodium
hydroxide, potassium hydroxide, sodium hydride, potassium hydride,
sodium methoxide, potassium tert-butoxide, n-butyllithium,
lithiumhexamethyldisilazide, sodium hexamethyldisilazide, potassium
hexamethyldisilazide, sodium amide and the like. The base can be
used at 1.0 to 5 mole equivalent based on the compound represented
by the general formula (XXVIII).
[0380] An example of a reaction temperature is -70 to 100.degree.
C.
[0381] An example of a reaction time is 0.5 to 72 hours.
[0382] The resulting compound represented by the general formula
(XXX) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXXI) from (XXX)
[0383] Carboxylic acid represented by the general formula (XXXI)
can be synthesized by hydrolyzing the compound represented by the
general formula (XXX).
[0384] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XXX).
[0385] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0386] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0387] An example of a reaction time is 0.5 to 24 hours.
[0388] The resulting compound represented by the general formula
(XXXI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-l) from (XXXI)
[0389] An amide compound represented by the general formula (I-l)
can be synthesized by condensing the carboxylic acid represented by
the general formula (XXXI) with an amine compound represented by
the general formula (XIX) in the presence of a condensing
agent.
[0390] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXXI).
[0391] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0392] Examples of a condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyl diimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent.
1-Hydroxybenzotriazole or the like may be used as a condensation
assistant at 0.5 to 2 mole equivalent.
[0393] Examples of a base include triethylamine, N-morpholine,
4-dimethylaminopyridine and the like, and these can be used alone,
or mixing. The base can be used at 0.05 to 2 mole equivalent based
on the compound represented by the general formula (XXXI).
[0394] An example of a reaction temperature is 0 to 100.degree.
C.
[0395] An example of a reaction time is 0.5 to 72 hours.
[0396] The resulting compound represented by the general formula
(I-l) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
M Method: Synthesis of (I-m) from Compound (XXXII):
##STR00029##
wherein respecting symbols are as defined above.
[0397] A compound represented by the general formula (XXXII) can be
synthesized by the method described in Reference Examples 4 to 7
described later, and a method similar thereto.
Synthesis of (XXXIII) from (XXXII)
[0398] A compound represented by the general formula (XXXIII) can
be synthesized by condensing an alcohol represented by the general
formula (XXXII) with phthalimide in the presence of an azo compound
and a trivalent phosphorus compound.
[0399] Phthalimide can be used at 1 to 3 mole equivalent based on
the compound represented by the general formula (XXXII).
[0400] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile and the like.
[0401] Examples of the azo compound include diethyl azo
dicarboxylate, diisopropyl azo dicarboxylate and the like, and the
azo compound can be used at 1 to 3 mole equivalent based on the
compound represented by the general formula (XXXII).
[0402] Examples of the trivalent phosphorus compound include
triphenylphosphine, tributylphosphine and the like, and the
trivalent phosphorus compound can be used at 1 to 3 mole equivalent
based on the compound represented by the general formula
(XXXII).
[0403] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0404] An example of a reaciton time is 0.5 to 72 hours.
[0405] The resulting compound represented by the general formula
(XXXIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXXIV) from (XXXIII)
[0406] An amine compound represented by the general formula (XXXIV)
can be synthesized by treating the compound represented by the
general formula (XXXIII) with a hydrazine hydrate.
[0407] The hydrazine hydrate can be used at 1.0 to 5 mole
equivalent baased on the compound represented by the general
formula (XXXIII).
[0408] Example of a reaction solvent include methanol, ethanol,
dichloromethane, N,N-dimethylformamide and the like.
[0409] An example of a reaction temperature is 0 to 100.degree.
C.
[0410] An example of a reaction time is 0.5 to 24 hours.
[0411] The resulting compound represented by the general formula
(XXXIV) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-m) from (XXXIV)
[0412] An amide compound represented by the general formula (I-m)
can be synthesized by condensing an amine compound represented by
the general formula (XXXIV) with carboxylic acid represented by the
general formula (XXXV) in the presence of a condensing agent.
[0413] The compound represented by the general formula (XXXV) can
be used at 0.5 to 2 mole equivalent based on the compound
represented by the general formula (XXXIV).
[0414] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0415] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, ethyl
chlorocarbonate, isobutyl chlorocarbonate, thionyl chloride, oxalyl
chloride and the like, and the condensing agent can be used at 0.5
to 2 mole equivalent based on the compound represented by the
general formula (XXXIV). 1-Hydroxybenzotriazole or the like may be
used as a condensation assistant at 0.5 to 2 mole equivalent.
[0416] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (XXXIV).
[0417] An example of a reaction temperature is 0 to 100.degree.
C.
[0418] An example of a reaction time is 0.5 to 72 hours.
[0419] The resulting compound represented by the general formula
(I-m) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
N Method: Synthesis of (I-n) from Compound (XVIII):
##STR00030##
wherein respective symbols are as defined above. Synthesis of
(XXXVI) from (XVIII)
[0420] An amide compound represented by the general formula (XXXVI)
can be synthesized by condensing carboxylic acid represented by the
general formula (XVIII) with N,O-dimethylhydroxylamine
hydrochloride in the presence of a condensing agent.
[0421] N,O-dimethylhydroxylamine hydrochloride can be used at 0.5
to 3 mole equivalent based on the compound represented by the
general formula (XVIII).
[0422] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like, and these can
be used alone, or by mixing.
[0423] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 1 to 3 mole equivalent
based on the compound represented by the general formula (XVIII).
1-Hydroxybenzotriazole or the like may be used as a condensation
assistant at 0.5 to 2 mole equivalent.
[0424] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
may be used alone, or by mixing. The base can be used at 0.05 to 3
mole equivalent based on the compound represented by the general
formula (XVIII).
[0425] An example of a reaction temperature is 0 to 80.degree.
C.
[0426] An example of a reaction time is 0.5 to 72 hours.
[0427] The resulting compound represented by the general formula
(XXXVI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-n) from (XXXVI)
[0428] A compound represented by the general formula (I-n) can be
synthesized by reacting the amide compound represented by the
general formula (XXXVI) with an organometalic compound represented
by the general formula (XXXVII).
[0429] The compound represented by the general formula (XXXVII) can
be used at 1 to 3 mole equivalent based on the amide compound
represented by the general formula (XXXVI).
[0430] Examples of a reaction solvent include diethylether,
tetrahydrofuran and the like.
[0431] An example of a reaction temperature is -70 to 50.degree.
C.
[0432] An example of a reaction time is 0.5 to 24 hours.
[0433] The resulting compound represented by the general formula
(I-n) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
O Method: Synthesis of (I-o) from (I-n)
[0434] A compound represented by the general formula (I-o) can be
synthesized by reducing the compound represented by the general
formula (I-n) with hydrogen:
##STR00031##
wherein respective symbols are as defined above.
[0435] Examples of a reaction solvent include methanol, ethanol,
ethyl acetate, tetrahydrofuran, N,N-dimethylformamide and the
like.
[0436] Examples of a metal catalyst include 5% palladium-carbon,
10% palladium-carbon, platinum oxide,
chlorotris(triphenylphosphine)rehodium (I), and the metal catalyst
can be used at 0.01 to 0.5 weight percent based on the compound
represented by the general formula (I-n).
[0437] An example of a hydrogen pressure is 1 to 50 atm.
[0438] An example of a reaction temperature is 20.degree. C. to a
refluxing temperature of a solvent.
[0439] An example of a reaction time is 0.5 to 72 hours.
[0440] The resulting compound represented by the genral formula
(I-o) can be isolated and purified by the known means (e.g.
chlomatography, recrystallization etc.).
P Method: Synthesis of (I-p) from Compound (I-n) or (I-o)
[0441] An oxime compound represented by the general formula (I-p)
can be synthesized by reacting ketone represented by the general
formula (I-n) or (I-o) with a compound represented by the general
formula (XXXVIII):
##STR00032##
wherein respective symbols are as defined above.
[0442] The compound represented by the general formula (XXXVIII)
can be used at 0.5 to 3 mole equivalent based on the ketone
represented by the general formula (I-n) or (I-o). Hydrochloride or
sulfate of the compound represented by the general formula
(XXXVIII) may be used.
[0443] Examples of a reaction solvent include methanol, ethanol,
isopropanol, butanol, water and the like, and these can be used
alone, or by mixing.
[0444] A base such as triethylamine, and a salt such as sodium
acetate, potassium acetate and the like may be used at 0.5 to 5
mole equivalent based on the ketone represented by the general
formula (I-n) or (I-o).
[0445] An example of a reaction temperature is 0 to 80.degree.
C.
[0446] An example of a reaction time is 0.5 to 72 hours.
[0447] The resulting compound represented by the general formula
(I-p) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Q Method: Synthesis of (I-q) from Compound (I-n) or (I-o)
[0448] An alcohol represented by the general formula (I-q) can be
synthesized by reducing the compound represented by the general
formula (I-n) or (I-o) in the presence of a reducing agent:
##STR00033##
[0449] wherein respective symbols are as defined above.
[0450] Examples of a reaction solvent include diethyl ether,
tetrahydrofuran, toluene, ethanol and the like, and these can be
used alone, or by mixing.
[0451] Examples of the reducing agent include sodium borohydride,
lithium borohydride, lithium aluminum hydride, diisopropyl aluminum
hydride and the like and the reducing agent can be used at 0.5 to 6
mole equivalent based on the compound represented by the general
formula (I-n) or (I-o).
[0452] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0453] An example of a reaction time is 0.5 to 72 hours.
[0454] The resulting compound represented by general formula (I-q)
can be isolated and purified by the known means (e.g.
chromatography, a recrystallization etc.).
R Method: Synthesis of (I-r) from Compound (II):
##STR00034##
wherein respective symbols are as defined above.
[0455] The compound represented by the general formula (XXXIX) can
be synthesized by the method described in JP-A No. 62-258342, and a
method similar thereto.
Synthesis of (XXXX) from (II)
[0456] A compound represented by the general formula (XXXX) can be
synthesized by condensing the compound represented by the general
formula (II) and the organophosphorus compound represented by the
general formula (XXXIX) in the presence of a base, followed by
treatment with an acid.
[0457] The organophosphorus compound represented by the general
formula (XXXIX) can be used at 1 to 5 mole equivalent based on the
compound represented by the general formula (II).
[0458] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide, liquid ammonia and the like.
[0459] Examples of the base include lithium hydroxide, sodium
hydroxide, potassium hydroxide, sodium hydride, potassium hydride,
sodium methoxide, potassium tert-butoxide, n-butyllithium,
lithiumhexamethyldisilazide, sodium hexamethyldisilazide, potassium
hexamethyldisilazide, sodium amide and the like. The base can be
used at 1.0 to 5 mole equivalent based on the compound represented
by the general formula (II).
[0460] An example of a reaction temperature is -70 to 100.degree.
C.
[0461] An example of a reaction time is 0.5 to 72 hours.
[0462] Examples of an acid used in treatment with an acid include
p-toluenesulfonic acid, benzenesulfonic acid, hydrochloric acid,
sulfuric acid and the like, and the acid can be used at 0.1 to 10
mole equivalent based on the compound represented by (II).
[0463] Examples of a reaction solvent include methanol, ethanol,
toluene, water and the like, and these can be used alone, or by
mixing.
[0464] An example of a reaction temperature is 20 to 100.degree.
C.
[0465] An example of a reaction time is 0.5 to 24 hours.
[0466] The resulting compound represented by the general formula
(XXXX) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.)
Synthesis of (XXXXI) from (XXXX)
[0467] Carboxylic acid represented by the general formula (XXXXI)
can be synthesized by hydrolyzing the compound represented by the
general formula (XXXX).
[0468] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XXXX).
[0469] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0470] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0471] An example of a reaction time is 0.5 to 24 hours.
[0472] The resulting compound represented by the general formula
(XXXXI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-r) from (XXXXI)
[0473] An amide compound represented by the general formula (I-r)
can be synthesized by condencing carboxylic acid represented by the
general formula (XXXXI) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0474] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXXXI).
[0475] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0476] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxyalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XXXXI).
1-Hydroxybenzotriazole or the like may be used as a condensation
assistant at 0.5 to 2 mole equivalent.
[0477] Examples of the base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (XXXXI).
[0478] An example of a reaction temperature is 0 to 100.degree.
C.
[0479] An example of a reaction time is 0.5 to 72 hours.
[0480] When ethyl chlorocarbonate, isobutyl chlorocarbonate,
thionyl chloride, oxalyl chloride or the like is used as the
condensing agent, a reaction time can be shortened.
[0481] The resulting compound represented by the general formula
(I-r) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
S Method: Synthesis of (I-s) from Compound (XXXX):
##STR00035##
wherein respective symbols are as defined above. Synthesis of
(XXXXII) from (XXXX)
[0482] An alcohol represented by the general formula (XXXXII) can
be synthesized by reducing the compound represented by the general
formula (XXXX) in the presence of a reducing agent.
[0483] Examples of a reaction solvent include diethyl ether,
tetrahydrofuran, toluene, ethanol and the like, and these can be
used alone, or by mixing.
[0484] Examples of the reducing agent include sodium borohydride
and the like, and the reducing agent can be used at 0.5 to 6 mole
equivalent based on the compound represented by the general formula
(XXXX).
[0485] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0486] An example of a reaction time is 0.5 to 72 hours.
[0487] The resulting compound represented by the general formula
(XXXXII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXXXIII) from (XXXXII)
[0488] Carboxylic acid represented by the general formula (XXXXIII)
can be synthesized by hydrolyzing the compound represented by the
general formula (XXXXII).
[0489] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XXXXII).
[0490] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0491] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0492] An example of a reaction time is 0.5 to 24 hours.
[0493] The resulting compound represented by the general formula
(XXXXIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-s) from (XXXXIII)
[0494] An amide compound represented by the general formula (I-s)
can be synthesized by condensing carboxylic acid represented by the
general formula (XXXXIII) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0495] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXXXIII).
[0496] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0497] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XXXXIII).
1-Hydroxybenzotriazole or the like may be used at 0.5 to 2 mole
equivalent as a condensation assistant.
[0498] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (XXXXIII).
[0499] An example of a reaction temperature is 0 to 100.degree.
C.
[0500] An example of a reaction time is 0.5 to 72 hours.
[0501] The resulting compound represented by the general formula
(I-s) can be isolated and purified by the known means (e.g.
chromatography, recrystallization).
T Method: Synthesis of (I-t) from Compound (XXXXII):
##STR00036##
wherein respective symbols are as defined above. Synthesis of
(XXXXV) from (XXXXII)
[0502] A compound represented by the general formula (XXXXV) can be
synthesized by reacting the compound represented by the general
formula (XXXXII) and the compound represented by the general
formula (XXXXIV) in the presence of a base.
[0503] The compound represented by the general formula (XXXXIV) can
be used at 1 to 5 mole equivalent based on the compound represented
by the general formula (XXXXII).
[0504] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide and the like.
[0505] Examples of the base include lithium hydroxide, sodium
hydroxide, potassium hydroxide, sodium hydride, potassium hydride,
sodium methoxide, potassium tert-butoxide, n-butyllithium, lithium
hexamethyldisilazide, sodium hexamethyldisilazide, potassium
hexamethyldisilazide and the like. The base can be used at 1.0 to 5
mole equivalent based on the compound represented by the general
formula (XXXXII).
[0506] An example of a reaction temperature is -70 to 100.degree.
C.
[0507] An example of a reaction time is 0.5 to 72 hours.
[0508] The resulting compound represented by the general formula
(XXXXV) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXXXVI) from (XXXXV)
[0509] Carboxylic acid represented by the general formula (XXXXVI)
can be synthesized by hydrolyzing the compound represented by the
general formula (XXXXV).
[0510] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XXXXV).
[0511] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0512] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0513] An example of a reaction time is 0.5 to 24 hours.
[0514] The resulting compound represented by the general formula
(XXXXVI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.)
Synthesis of (I-t) from (XXXXVI)
[0515] An amide compound represented by the general formula (I-t)
can be synthesized by condensing the carboxylic acid represented by
the general formula (XXXXVI) with an amine compound represented by
the general formula (XIX) in the presence of a condensing
agent.
[0516] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXXXVI).
[0517] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide etc.
[0518] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XXXXVI).
1-Hydroxybenzotriazole may be used as a condensation assistant at
0.5 to 2 mole equivalent.
[0519] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (XXXXVI).
[0520] An example of a reaction temperature is 0 to 100.degree.
C.
[0521] An example of a reaction time is 0.5 to 72 hours.
[0522] The resulting compound represented by the general formula
(I-t) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
U Method: Synthesis of (I-u) from Compound (II):
##STR00037##
wherein respective symbols are as defined above. Synthesis of
(XXXXVIII) from (II)
[0523] A compound represented by the general formula (XXXXVIII) can
be synthesized by condensing the compound represented by the
general formula (II) and the compound represented by the general
formula (XXXXVII) in the presence of a base.
[0524] The compound represented by the general formula (XXXXVII)
can be used at 1 to 5 mole equivalent based on the compound
represented by the general formula (II).
[0525] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide and the like.
[0526] Examples of the base include sodium hydride, potassium
hydride, sodium methoxide, potassium tert-butoxide, n-butyllithium,
lithium diisopropylamine, lithium hexamethyldisilazide, sodium
hexamethyldisilazide, potassium hexamethyldisilazide and the like.
The base can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (II).
[0527] An example of a reaction temperature is -100 to 20.degree.
C.
[0528] An example of a reaction time is 0.5 to 24 hours.
[0529] The resulting compound represented by the general formula
(XXXXVIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (XXXXIX) from (XXXXVIII)
[0530] Carboxylic acid represented by the general formula (XXXXIX)
can be synthesized by hydrolyzing the compound represented by the
general formula (XXXXVIII).
[0531] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (XXXXVIII).
[0532] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0533] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0534] An example of a reaction time is 0.5 to 24 hours.
[0535] The compound represented by the resulting general formula
(XXXXIX) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-u) from (XXXXIX)
[0536] An amide compound represented by the general formula (I-u)
can be synthesized by condensing carboxylic acid represented by the
general formula (XXXXIX) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0537] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (XXXXIX).
[0538] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide etc.
[0539] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (XXXXIX).
1-Hydroxybenzotriazole may be used as a condensation assistant at
0.5 to 2 mole equivalent.
[0540] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (XXXXIX).
[0541] An example of a reaction temperature is 0 to 100.degree.
C.
[0542] An example of a reaction time is 0.5 to 72 hours.
[0543] The resulting compound represented by the general formula
(I-u) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
V Method: Synthesis of (I-v) from Compound (XVII-a):
##STR00038##
wherein respective symbols are as defined above. Synthesis of (L)
from (XVII-a)
[0544] A compound represented by the general formula (L) can be
synthesized by treating the compound represented by the general
formula (XVII-a) with a base.
[0545] A base such as lithium diisopropylamide, lithium
hexamethyldisilazide, n-butyllithium, potassium tert-butoxide,
1,8-diazabicyclo[5.4.0]undec-7-ene and the like can be used at 0.1
to 10 mole equivalent based on the compound represented by the
general formula (XVII-a).
[0546] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, toluene and the like.
[0547] An example of a reaction temperature is -70 to 100.degree.
C.
[0548] An example of a reaction time is 0.5 to 72 hours.
[0549] The resulting compound represented by the general formula
(L) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (LI) from (L)
[0550] Carboxylic acid represented by the general formula (L1) can
be synthesized by hydrolyzing the compound represented by the
general formula (L).
[0551] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent based on the
compound represented by the general formula (L).
[0552] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0553] An example of a reaction temperature is 0.degree. C. to a
refluxing temperature of a solvent.
[0554] An example of a reaction time is 0.5 to 24 hours.
[0555] The resulting compound represented by the general formula
(LI) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-v) from (LI)
[0556] An amide compound represented by the general formula (I-v)
can be synthesized by condensing the carboxylic acid represented by
the general formula (LI) with an amine compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0557] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (LI).
[0558] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide and the like.
[0559] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-2-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like.
The condensing agent can be used at 0.5 to 2 mole equivalent based
on the compound represented by the general formula (LI).
1-Hydroxybenzotriazole or the like may be used as a condensation
assistant at 0.5 to 2 mole equivalent.
[0560] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or by mixing. The base can be used as 0.05 to 2
mole equivalent based on the compound represented by the general
formula (LI).
[0561] An example of a reaction temperature is 0 to 100.degree.
C.
[0562] An example of a reaction time is 0.5 to 72 hours.
[0563] The resulting compound represented by the general formula
(I-v) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
W Method: Synthesis from (I-w) from Compound (LII)
[0564] A compound represented by the general formula (I-w) can be
synthesized by condensing the aldehyde represented by the general
formula (LII) with an organophosphorus compound represented by the
general formula (LIII) or (LIV) in the presence of a base:
##STR00039##
wherein respective symbols are as defined above.
[0565] The compound represented by the general formula (XXXII) can
be synthesized by the method described in Reference Example 10
described later, and a method similar thereto. The organophosphorus
compound represented by the general formula (LIII) and (LIV) can be
synthesized by the method described in New Experimental Chemistry
Course 14, Maruzen Co. Ltd., (1977), and a method similar
thereto.
[0566] The organophosphorus compound represented by the general
formula (LIII) or (LIV) can be used at 1 to 5 mole equivalent based
on the compound represented by the general formula (LII).
[0567] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, N,N-dimethylformamide, dimethyl
sulfoxide, liquid ammonia and the like.
[0568] Examples of the base include lithium hydroxide, sodium
hydroxide, potassium hydroxide, sodium hydride, potassium hydride,
sodium methoxide, potassium tert-butoxide, n-butyllithium, lithium
hexamethyldisilazide, sodium hexamethyldisilazide, potassium
hexamethyldisilazide, sodium amide and the like. The base can be
used at 1.0 to 5 mole equivalent based on the compound represented
by the general formula (LII).
[0569] An example of a reaction temperature is -70 to 100.degree.
C.
[0570] An example of a reaction time is 0.5 to 72 hours.
[0571] The resulting compound represented by the general formula
(I-w) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
X Method: Synthesis of (I-x) from Compound (I-w)
[0572] A compound represented by the general formula (I-x) can be
synthesized by reducing the compound represented by the general
formula (I-w) with hydrogen in the presence of a metal
catalyst:
##STR00040##
wherein respective symbols are as defined above.
[0573] Examples of a reaction solvent include methanol, ethanol,
ethyl acetate, tetrahydrofuran, N,N-dimethylformamide and the
like.
[0574] Examples of a metal catalyst include 5% palladium-carbon,
10% palladium-carbon, platinum oxide,
chlorotris(triphenylphosphine)rohodium (I). The metal catalyst can
be used at 0.01 to 0.5 weight % based on the compound represented
by the general formula (I-a).
[0575] An example of a hydrogen atom is 1 to 50 atm.
[0576] An example of a reaction temperature is 20.degree. C. to a
refluxing temperature of a solvent.
[0577] An example of a reaction time is 0.5 to 72 hours.
[0578] The resulting compound represented by the general formula
(I-x) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Y Method: Synthesis of (I-y) from Compound (II)
[0579] A compound represented by the general formula (I-y) can be
synthesized by reductively condensing the compound represented by
the general formula (II) and the compound represented by the
general formula (LV):
##STR00041##
wherein respective symbols are as defined above.
[0580] The compound represented by the general formula (LV) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (II).
[0581] Examples of a reaction solvent include 1,2-dichloroethane,
tetrahydrofuran and the like.
[0582] Examples of the reducing agent include sodium
triacetoxyborohydride and the like, and the reducing agent can be
used at 0.5 to 6 mole equivalent based on the general formula
(II).
[0583] An example of a reaction temperature is 0 to 80.degree.
C.
[0584] If necessary, acetic acid or the like as an acid can be used
at 0.5 to 2 mole equivalent based on the compound represented by
the general formula (II).
[0585] An example of a reaction time is 0.5 to 72 hours.
[0586] The resulting compound represented by the general formula
(I-y) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Z Method: Synthesis of (I-z) from Compound (LVI):
##STR00042##
wherein respective symbols are as defined above. Synthesis of
(LVIII) from (LVI)
[0587] A compound represented by the general formula (LVIII) can be
synthesized by condensing the compound represented by the general
formula (LVI) and the compound represented by the general formula
(LVII) in the presence of a base.
[0588] The compound represented by the general formula (LVII) can
be used at 1 to 3 mole equivalent based on the compound represented
by the general formula (LVI).
[0589] Examples of a reaction solvent include tetrahydrofuran,
diethyl ether, acetonitrile, methylene chloride, chloroform,
toluene, water and the like, and these can be used alone, or by
mixing.
[0590] Examples of the base include sodium hydroxide, potassium
hydroxide, sodium bicarbonate, sodium carbonate, potassium
carbonate, sodium hydride, potassium hydride, triethylamine,
morpholine, N-methylmorpholine and the like. The base can be used
at 1.0 to 5 mole based on the compound represented by the general
formula (LVI).
[0591] An example of a reaction temperature is -10 to 50.degree.
C.
[0592] An example of a reaction time is 0.5 to 24 hours.
[0593] The resulting compound represented by the general formula
(LVIII) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (LIX) from (LVIII)
[0594] Carboxylic acid represented by the general formula (LIX) can
be synthesized by hydrolyzing the compound represented by the
general formula (LVIII).
[0595] Lithium hydroxide, sodium hydroxide, potassium hydroxide or
the like can be used at 1.0 to 5 mole equivalent can be used based
on the compound represented by the general formula (LVIII).
[0596] Examples of a reaction solvent include methanol, ethanol,
propanol, isopropanol, butanol, water and the like, and these can
be used alone, or by mixing.
[0597] An example of a reaction time is 0.5 to 24 hours.
[0598] The resulting compound represented by the general formula
(LIX) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
Synthesis of (I-z) from (LIX)
[0599] An amide compound represented by the general formula (I-z)
can be synthesized by condensing the carboxylic acid represented by
the general formula (LIX) with an amide compound represented by the
general formula (XIX) in the presence of a condensing agent.
[0600] The compound represented by the general formula (XIX) can be
used at 0.5 to 2 mole equivalent based on the compound represented
by the general formula (LIX).
[0601] Examples of a reaction solvent include methylene chloride,
tetrahydrofuran, N,N-dimethylformamide, N,N-dimethylacetamide,
1,3-dimethyl-2-imidazolidinone, N-methyl-2-pyrrolidone and the
like.
[0602] Examples of the condensing agent include
dicyclohexylcarbodiimide,
1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride,
N,N'-carbonyldiimidazole, ethyl chlorocarbonate, isobutyl
chlorocarbonate, thionyl chloride, oxalyl chloride and the like,
and the condensing agent can be used at 0.5 to 2 mole equivalent
based on the compound represented by the general formula (LIX).
1-Hydroxybenzotriazole or the like may be used as a condensation
assistant at 0.5 to 2 mole equivalent.
[0603] Examples of a base include triethylamine,
N-methylmorpholine, 4-dimethylaminopyridine and the like, and these
can be used alone, or by mixing. The base can be used at 0.05 to 2
mole equivalent based on the compound represented by the general
formula (LIX).
[0604] An example of a reaction temperature is 0 to 100.degree.
C.
[0605] An example of a reaction time is 0.5 to 72 hours.
[0606] When ethyl chlorocarbonate, isobutyl chlorocarbonate,
thionyl chloride, oxalyl chloride or the like is used as the
condensing agent, a reaction time can be shortened.
[0607] The resulting compound represented by the general formula
(I-z) can be isolated and purified by the known means (e.g.
chromatography, recrystallization etc.).
[0608] In addition, when A.sup.1 is the nitrogen-containing
aromatic monocyclic group or the nitrogen-containing aromatic fused
cyclic group having at least one of protected hydroxy and/or
protected amino and, further, optionally substituted with other
group, or the nitrogen-containing aromatic monocyclic group or the
nitrogen-containing aromatic fused cyclic group containing --NH--
in the ring, and in which other ring constituting atoms may be
substituted with a substituent other than protected hydroxy and
protected amino, the protecting group can be deprotected under the
normally used reaction conditions (e.g. the method described in T.
W. Green et al., Protective Groups in Organic Synthesis, Second
Edition, John Wiley & Sons (1991)).
[0609] When the present compound contains an optical isomer, a
steric isomer, a positional isomer, and a rotational isomer, these
are also included as the present compound, and can be obtained as a
single product, respectively, by the known per se synthesizing
procedure, and the separating procedure. For example, when an
optical isomer is present in the present compound, an optical
isomer resolved from the compound is also included in the present
compound. The optical isomer can be produced by the known per se
method. Specifically, an optical isomer is obtained by optically
resolving a final racemate mixture using an optically active
synthetic intermediate, or according to a conventional method.
[0610] As the optical resolution method, the known per se method,
for example, a fractionation recrystallization method, a chiral
column method, and a diastereomer method which are described in
detail below, are used.
1) Fractionation Recrystallization Method
[0611] A salt is formed between a racemate and an optically active
compound (e.g. (+)-mandelic acid), (-)-mandelic acid, (+)-tartaric
acid, (-)-tartaric acid, (+)-1-phenethylamine,
(-)-1-phenethylamine, cinchonine, (-)-cinchonidine, brucine etc.),
this is separated by a fractionation recrystallization method and,
if desired, a neutralization step is performed, thereby, a free
optical isomar is obtained.
2) Chiral Column Method
[0612] A method of separating a racemate or a salt thereof by
applying it to a column for separating an optical isomar (chiral
column). For example, in the case of liquid chromatography, optical
isomers are separated by adding a mixture of optical isomers to a
chiral column such as ENANTIO-OVM (manufactured by Tosoh
Corporation) and CHIRAL series manufactured by Daicel, and
developing the column with water, various buffers (e.g. phosphate
buffer), or an organic solvent (e.g. ethanol, methanol,
isopropanol, acetonitrile, trifluoroacetic acid, diethylamine, etc)
alone or as a mixed solution. Alternatively, for example, in the
case of gas chromatography, optical isomers are separated using a
chiral column such as CP-Chirasil-Dex CB (manufactured by GL
Sciences).
3) Diastereomer Method
[0613] A method of converting a mixture of racemates into a mixture
of diastereomers by a chemical reaction with an optically active
reagent, converting this into a single substance via a conventional
separation means (e.g. fractionation recrystallization,
chromatography method etc.), and cutting off an optically active
reagent site by chemical treatment such as a hydrolysis reaction to
obtain an optical isomer. For example, when the present compound
has hydroxy or primary or secondary amino in a molecure,
diastereomers of an ester form and an amide form can be obtained,
resepectively, by subjecting the compound and an optically active
organic acid (e.g. MTPA
[.alpha.-methoxy-.alpha.-(trifluoromethyl)phenylacetic acid],
(-)-methoxyacetic acid etc.) to a condensation reaction. On the
other hand, when the present compound has a carboxylic acid group,
diastereomers of an amide form and an ester form are obtained,
respectively, by subjecting the compound and optically active amine
or an alcohol reagent to a condensation reaction. Separated
diastereomers are converted into optical isomers of the original
compound by subjecting to acid hydrolysis or basic hydrolysis
reaction.
[0614] As a salt of the present compound, a pharmaceutically
acceptable salt can be used, and examples of the basic addition
salt include alkali metal salts such as sodium salt, potassium salt
etc.; alkaline earth metal salts such as calcium salt, magnesium
salt etc.; ammonium salts; trimethylamine salt, triethylamine salt;
aliphatic amine salts such as dicyclohexylamine salt, ethanolamine
salt, diethanol amine salt, triethanolamine salt, procaine salt
etc.; aralkylamine salts such as N,N-dibenzylethylenediamine etc.;
heterocyclic aromatic amine salts such as pyridine salt, picoline
salt, quinoline salt, isoquinoline salt etc.; quaternary ammonium
salts such as tetramethylammonium salt, tetraethylammonium salt,
benzyltrimethylammonium salt, benzyltriethylammonium salt,
benzyltributylammmonium salt, methyltrioctylammonium salt,
tetrabutylammonium salt etc.; basic amino acid salts such as
arginine salt, lysine salt etc.
[0615] Examples of the acid addition salts include inorganic acid
salts such as hydrochloride, sulfate, nitrate, phosphate,
carbonate, bicarbonate, perchlorate etc.; organic acid salts such
as oxalate, acetate, propionate, lactate, maleate, fumarate,
tartarate, malate, citrate, ascorbate etc.; sulfonates such as
methanesulfonate, isethionate, benzenesulfonate, p-toluenesulfonate
etc.; acidic amino acids such as aspartate, glutamate etc.
[0616] The compound (I) may be a solvate of water, acetonitrile,
acetone, ethyl acetate, methanol, ethanol and the like. And, the
solvation number of solvates of the present compound can usually
vary depending on a synthesis method, a purification method and the
crystallization condition, and for example, is in a range of 0.5 to
5 molecules per one molecule of the compound.
[0617] Among the present compound (I), the following compounds are
particularly preferable.
[0618] In the formula (I), (CR.sup.aR.sup.b)w is (CH.sub.2).sub.2
or (CH.sub.2).sub.3, and (CR.sup.cR.sup.d)t is CH.sub.2 or CHMe,
[0619] 1) a compound in which A.sup.1 is pyridyl substituted with
at least hydroxy, benzoxazolyl substituted with at least hydroxy,
benzimidazolyl substituted with at least hydroxy, pyridyl
substituted with at least optionally protected amino, imidazolyl in
which ring constituting atoms other than --NH-- may be substituted,
pyrrolyl in which ring constituting atoms other than --NH-- may be
substituted, pyrazolyl in which ring constituting atoms other than
--NH-- may be substituted, or benzimidazolyl in which ring
constituting atoms other than --NH-- may be substituted
(hereinafter, A.sup.1 being a1), [0620] 2) a compound in which
A.sup.1 is hydroxypyridyl, hydroxybenzoxazolyl,
hydroxybenzimidazolyl, benzpyrazolyl, benzimidazolyl, unsubstituted
imidazolyl, unsubstituted pyrrolyl, unsubstituted pyrazolyl, or
unsubstituted benzimidazolyl (hereinafter, A.sup.1 being a2),
[0621] 3) a compound in which A.sup.1 is hydroxypyridyl,
hydroxybenzoxazolyl, hydroxybenzimidazolyl, unsubstituted
imidazolyl, unsubstituted pyrazolyl, or unsubstituted pyrrolyl
(hereinafter, A.sup.1 being a3), [0622] 4) a compound in which
A.sup.1 is hydroxybenzoxazolyl (hereinafter, A.sup.1 being a4),
[0623] 5) a compound in which X is --(CHR.sup.3)m-,
--CO(CHR.sup.3)n-, --CONH(CHR.sup.3)n-, --NHCO(CHR.sup.3)n-,
--NHCONH--, --NHCOCO-- or --NH(CHR.sup.3)mCO-- (each R.sup.3 may be
different), Z is N or CR.sup.1, R.sup.1 and R.sup.2 are each
independently hydrogen, hydroxy or methyl, or R.sup.1 and R.sup.2
may be taken together to form a single bond, when m or n is 1 or
more, R.sup.1 may be taken together with R.sup.3 on CR.sup.3R.sup.4
adjacent to a carbon atom to which R.sup.1 binds, to form a single
bond (when Z is N, R.sup.1 is absent, the same hereinafter)
(hereinafter, X, R.sup.1 and R.sup.2 being xr1), [0624] 6) a
compound in which X is --CO(CHR.sup.3)n-, --CONH(CHR.sup.3)n-,
--NHCO(CHR.sup.3)n-, --NHCOCO-- or --NH(CHR.sup.3)mCO--, Z is N or
CR.sup.1, R.sup.1 is hydrogen or hydroxy, and R.sup.2 is hydrogen
or methyl (hereinafter, X being xr2), [0625] 7) a compound in which
X is --CO(CHR.sup.3)n-, --CONH(CHR.sup.3)n- or --NHCO(CHR.sup.3)n-,
Z is CR.sup.1, and R.sup.1 and R.sup.2 are taken together to form a
single bond, (hereinafter, X being xr3), [0626] 8) a compound in
which X is --CO(CHR.sup.3)n-, --CONH(CHR.sup.3)n- or
--NHCO(CHR.sup.3)n-, Z is CR.sup.1, R.sup.1 is taken together with
R.sup.3 on CR.sup.3R.sup.4 adjacent to a carbon atom to which
R.sup.1 binds, to form a single bond, and R.sup.2 is hydrogen
(hereinafter, X being xr4), [0627] 9) a compound in which X is
--CO(CHR.sup.3).sub.3--, --CONH(CHR.sup.3).sub.2--,
--NHCO(CHR.sup.3)2--, --NHCOCO-- or --NHCHR.sup.3CO--, R.sup.3 is
hydrogen or methyl (each R.sup.3 may be different), Z is N or
CR.sup.1, R.sup.1 is hydrogen or hydroxy, and R.sup.2 is hydrogen
or methyl (hereinafter, X being xr5), [0628] 10) a compound in
which X is --CO(CHR.sup.3).sub.3--, --CONH(CHR.sup.3).sub.2-- or
--NHCO(CHR.sup.3).sub.2--, R.sup.3 is hydrogen or methyl (each
R.sup.3 may be different), Z is CR.sup.1, and R.sup.1 and R.sup.2
are taken together to form a single bond (hereinafter, X being
xr6), [0629] 11) a compound in which X is --CO(CHR.sup.3).sub.3--,
--CONH(CHR.sup.3).sub.2-- or --NHCO(CHR.sup.3).sub.2--, R.sup.3 is
hydrogen or methyl (each R.sup.3 may be different), Z is CR.sup.1,
R.sup.1 is taken together with R.sup.3 on CR.sup.3R.sup.4 adjacent
to a carbon atom to which R.sup.1 binds, to form a single bond, and
R.sup.3 is hydrogen (hereinafter, X being xr7), [0630] 12) a
compound in which X is --CO(CHR.sup.3).sub.3--,
--CONH(CHR.sup.3).sub.2--, --NHCO(CHR.sup.3).sub.2--, --NHCOCO-- or
--NHCHR.sup.3CO--, R.sup.3 is hydrogen or methyl (each R.sup.3 may
be different), Z is N or CH, and R.sup.2 is hydrogen (hereinafter,
X being xr8), [0631] 13) a compound in which X is
--CO(CHR.sup.3).sub.3--, --CONH(CHR.sup.3).sub.2--,
--NHCO(CHR.sup.3).sub.2--, --NHCOCO-- or --NHCHR.sup.3CO--, R.sup.3
is hydrogen or methyl (each R.sup.3 may be different), and Z is
CR.sup.1 or N (hereinafter, X being xr9), [0632] 14) a compound in
which A.sup.2 is phenyl optionally substituted with one or more
groups selected from halogen, cyano, lower alkyl, halogeno lower
alkyl, lower alkoxy and halogeno lower alkoxy or pyridyl optionally
substituted with one or more groups selected from halogen, cyano,
lower alkyl, halogeno lower alkyl, lower alkoxy and halogeno lower
alkoxy (hereinafter, A.sup.2 being a5), [0633] 15) a compound in
which A.sup.2 is phenyl substituted with one or more groups
selected from halogen, C1-C3 alkyl, halogeno C1-C3 alkyl, C1-C3
alkoxy and halogeno C1-C3 alkoxy or pyridyl optionally substituted
with one or more groups selected from halogen, C1-C3 alkyl,
halogeno C1-C3 alkyl, C1-C3 alkoxy and halogeno C1-C3 alkoxy
(hereinafter, A.sup.2 being a6), [0634] 16) a compound in which
A.sup.2 is phenyl substituted with one or more groups selected from
halogen, C1-C3 alkyl, halogeno C1-C3 alkyl, C1-C3 alkoxy and
halogeno C1-C3 alkoxy at a para-position or pyridyl substituted
with one or more groups selected from halogen, C1-C3 alkyl,
halogeno C1-C3 alkyl, C1-C3 alkoxy and halogeno C1-C3 alkoxy at a
para-position (hereinafter, A.sup.2 being a7), [0635] 17) a
compound in which A.sup.2 is phenyl substituted with one or more
groups selected from halogen, C1-C3 alkyl, halogeno C1-C3 alkyl,
C1-C3 alkoxy and halogeno C1-C3 alkoxy at a meta-position and a
para-position (hereinafter, A.sup.2 being a8), [0636] 18) a
compound is which a combination of A.sup.1, X, R.sup.1, R.sup.2 and
A.sup.2 (A.sup.1, xr, A.sup.2) is the following:
[0637] (A.sup.1,xr,
[0638]
A.sup.2)=(a1,xr1,a5),(a1,xr1,a6),(a1,xr1,a7),(a1,xr1,a8),(a1,xr2,a5-
),(a1,xr2, a6),(a1,
xr2,a7),(a1,xr2,a8),(a1,xr3,a5),(a1,xr3,a6),(a1,xr3,a7),(a1,xr3,a8),(a1,x-
r4,a5),
(a1,xr4,a6),(a1,xr4,a7),(a1,xr4,a8),(a1,xr5,a5),(a1,xr5,a6),(a1,xr-
5,a7),(a1,xr5,
a8),(a1,xr6,a5),(a1,xr6,a6),(a1,xr6,a7),(a1,xr6,a8),(a1,xr7,a5),(a1,xr7,a-
6),(a1,
xr7,a7),(a1,xr7,a8),(a1,xr8,a5),(a1,xr8,a6),(a1,xr8,a7),(a1,xr8,a8-
),(a1,xr9,a5), (a1,xr9,a6),(a1,xr9,a7),(a1,xr9,a8),
[0639]
(a2,xr1,a5),(a2,xr1,a6),(a2,xr1,a7),(a2,xr1,a8),(a2,xr2,a5),(a2,xr2-
,a6),(a2,xr2,
a7),(a2,xr2,a8),(a2,xr3,a5),(a2,xr3,a6),(a2,xr3,a7),(a2,xr4,a5),(a2,xr4,a-
6),(a2,
xr4,a7),(a2,xr4,a8),(a2,xr5,a5),(a2,xr5,a6),(a2,xr5,a7),(a2,xr5,a8-
),(a2,xr6,a5),
(a2,xr6,a6),(a2,xr6,a7),(a2,xr6,a8),(a2,xr7,a5),(a2,xr7,a6),(a2,xr7,a7),(-
a2,xr7,
a8),(a2,xr8,a5),(a2,xr8,a6),(a2,xr8,a7),(a2,xr8,a8),(a2,xr9,a5),(a-
2,xr9,a6),(a2, xr9,a7),(a2,xr9,a8),
[0640]
(a3,xr1,a5),(a3,xr1,a6),(a3,xr1,a7),(a3,xr1,a8),(a3,xr2,a5),(a3,xr2-
,a6),(a3,xr2,
a7),(a3,xr2,a8),(a3,xr3,a5),(a3,xr3,a6),(a3,xr3,a7),(a3,xr3,a8),(a3,xr4,a-
5),(a3,
xr4,a6),(a3,xr4,a7),(a3,xr4,a8),(a3,xr5,a5),(a3,xr5,a6),(a3,xr5,a7-
),(a3,xr5,a8),
(a3,xr6,a5),(a3,xr6,a6),(a3,xr6,a7),(a3,xr6,a8),(a3,xr7,a5),(a3,xr7,a6),(-
a3,xr7,
a7),(a3,xr7,a8),(a3,xr8,a5),(a3,xr8,a6),(a3,xr8,a7),(a3,xr8,a8),(a-
3,xr9,a5),(a3, xr9,a6),(a3,xr9,a7),(a3,xr9,a8),
[0641]
(a4,xr1,a5),(a4,xr1,a6),(a4,xr1,a7),(a4,xr1,a8),(a4,xr2,a5),(a4,xr2-
,a6),(a4,xr2,
a7),(a4,xr2,a8),(a4,xr3,a5),(a4,xr3,a6),(a4,xr3,a7),(a4,xr3,a8),(a4,xr4,a-
5),(a4,
xr4,a6),(a4,xr4,a7),(a4,xr4,a8),(a4,xr5,a5),(a4,xr5,a6),(a4,xr5,a7-
),(a4,xr5,a8),
(a4,xr6,a5),(a4,xr6,a6),(a4,xr6,a7),(a4,xr6,a8),(a4,xr7,a5),(a4,xr7,a6),(-
a4,xr7,
a7),(a4,xr7,a8),(a4,xr8,a5),(a4,xr8,a8),(a4,xr8,a7),(a4,xr8,a8),(a-
4,xr9,a5),(a4, xr9,a6),(a4,xr9,a7),(a4,xr9,a8)
[0642] In the formula (I) or (I'), [0643] 16) a compound in which
A.sup.1 is pyridyl having at least one of optionally protected
hydroxy, and optionally protected amino, --X-- is
--CONH(CHR.sup.3)n-, --NHCO(CHR.sup.3)n- or --NHCOCO--, and n is 2
or more, [0644] 17) a compound in which A.sup.1 is benzoxazolyl
having at least one of optionally protected hydroxy and optionally
protected amino or benzoimidazolyl having at least one of
optionally protected hydroxy and optionally protected amino, and X
is --CONH(CHR.sup.3)n-, --NR.sup.5CO(CR.sup.3R.sup.4)n-,
--NR.sup.5CONR.sup.6-- or --NHCOCO--, or a pharmaceutically
acceptable salt, or a solvate thereof.
[0645] A compound in which a combination of A.sup.1, A.sup.2 and X
(A.sup.1, A.sup.2, X) is the following in the following formula (1)
to (7), or a pharmaceutically acceptable salt, or a solvate thereof
is also a preferable aspect of the present invention.
##STR00043##
TABLE-US-00001 TABLE 1 A1 ##STR00044## a7 ##STR00045## ##STR00046##
a8 ##STR00047## ##STR00048## a9 ##STR00049## ##STR00050## a10
##STR00051## ##STR00052## a11 ##STR00053## ##STR00054## a12
##STR00055##
TABLE-US-00002 TABLE 2 A2 b1 ##STR00056## b2 ##STR00057## b3
##STR00058## b4 ##STR00059## b5 ##STR00060## b6 ##STR00061## b7
##STR00062## b8 ##STR00063## b9 ##STR00064## b10 ##STR00065## b11
##STR00066## b12 ##STR00067## b13 ##STR00068## b14 ##STR00069## b15
##STR00070## b16 ##STR00071## b17 ##STR00072## b18 ##STR00073## b19
##STR00074## b20 ##STR00075## b21 ##STR00076## b22 ##STR00077## b23
##STR00078## b24 ##STR00079## b25 ##STR00080## b26 ##STR00081## b27
##STR00082##
TABLE-US-00003 TABLE 3 X X X1 COCH.sub.2CH.sub.2 X10
NHCOCH.sub.2CH.sub.2 X2 COCH.sub.2CH.sub.2CH.sub.2 X11 NHCOCH(OH)
X3* COCH.sub.2CH.sub.2CH.dbd. X12 NHCOCO X4 CONHCH.sub.2 X13*
NHCOCH.dbd. X5 CONHCH.sub.2CH.sub.2 X14* NHCOCF.dbd. X6
CONHCH(Me)CH.sub.2 X15 NHCONH X7 CONHCH.sub.2CH(Me) X16
##STR00083## X8 NHCO X17 ##STR00084## X9 NHCOCH.sub.2 X18
NHCH.sub.2CO *Only the case of (1)
[0646] In table, Ms represents methanesulfonyl, Me represents
methyl, and iPr represents isopropyl.
[0647] (A.sup.1, A.sup.2, X)=(a1, b1, X1), (a1, b1, X2), (a1, b1,
X3), (a1, b1, X4), (a1, b1, X5), (a1, b1, X6), (a1, b1, X7), (a1,
b1, X8), (a1, b1, X9), (a1, b1, X10), (a1, b1, X11), (a1, b1, X12),
(a1, b1, X13), (a1, b1, X14), (a1, b1, X15), (a1, b1, X16), (a1,
b1, X17), (a1, b1, X18), (a1, b2, X1), (a1, b2, X2), (a1, b2, X3),
(a1, b2, X4), (a1, b2, X5), (a1, b2, X6), (a1, b2, X7), (a1, b2,
X8), (a1, b2, X9), (a1, b2, X10), (a1, b2, X11), (a1, b2, X12),
(a1, b2, X13), (a1, b2, X14), (a1, b2, X15), (a1, b2, X16), (a1,
b2, X17), (a1, b2, X18), (a1, b3, X1), (a1, b3, X2), (a1, b3, X3),
(a1, b3, X4), (a1, b3, X5), (a1, b3, X6), (a1, b3, X7), (a1, b3,
X8), (a1, b3, X9), (a1, b3, X10), (a1, b3, X11), (a1, b3, X12),
(a1, b3, X13), (a1, b3, X14), (a1, b3, X15), (a1, b3, X16), (a1,
b3, X17), (a1, b3, X18), (a1, b4, X1), (a1, b4, X2), (a1, b4, X3),
(a1, b4, X4), (a1, b4, X5), (a1, b4, X6), (a1, b4, X7), (a1, b4,
X8), (a1, b4, X9), (a1, b4, X10), (a1, b4, X11), (a1, b4, X12),
(a1, b4, X13), (a1, b4, X14), (a1, b4, X15), (a1, b4, X16), (a1,
b4, X17), (a1, b4, X18), (a1, b5, X1), (a1, b5, X2), (a1, b5, X3),
(a1, b5, X4), (a1, b5, X5), (a1, b5, X6), (a1, b5, X7), (a1, b5,
X8), (a1, b5, X9), (a1, b5, X10), (a1, b5, X11), (a1, b5, X12),
(a1, b5, X13), (a1, b5, X14), (a1, b5, X15), (a1, b5, X16), (a1,
b5, X17), (a1, b5, X18), (a1, b6, X1), (a1, b6, X2), (a1, b6, X3),
(a1, b6, X4), (a1, b6, X5), (a1, b6, X6), (a1, b6, X7), (a1, b6,
X8), (a1, b6, X9), (a1, b6, X10), (a1, b6, X11), (a1, b6, X12),
(a1, b6, X13), (a1, b6, X14), (a1, b6, X15), (a1, b6, X16), (a1,
b6, X17), (a1, b6, X18), (a1, b7, X1), (a1, b7, X2), (a1, b7, X3),
(a1, b7, X4), (a1, b7, X5), (a1, b7, X6), (a1, b7, X7), (a1, b7,
X8), (a1, b7, X9), (a1, b7, X10), (a1, b7, X11), (a1, b7, X12),
(a1, b7, X13), (a1, b7, X14), (a1, b7, X15), (a1, b7, X16), (a1,
b7, X17), (a1, b7, X18), (a1, b8, X1), (a1, b8, X2), (a1, b8, X3),
(a1, b8, X4), (a1, b8, X5), (a1, b8, X6), (a1, b8, X7), (a1, b8,
X8), (a1, b8, X9), (a1, b8, X10), (a1, b8, X11), (a1, b8, X12),
(a1, b8, X13), (a1, b8, X14), (a1, b8, X15), (a1, b8, X16), (a1,
b8, X17), (a1, b8, X18), (a1, b9, X1), (a1, b9, X2), (a1, b9, X3),
(a1, b9, X4), (a1, b9, X5), (a1, b9, X6), (a1, b9, X7), (a1, b9,
X8), (a1, b9, X9), (a1, b9, X10), (a1, b9, X11), (a1, b9, X12),
(a1, b9, X13), (a1, b9, X14), (a1, b9, X15), (a1, b9, X16), (a1,
b9, X17), (a1, b9, X18), (a1, b10, X1), (a1, b10, X2), (a1, b10,
X3), (a1, b10, X4), (a1, b10, X5), (a1, b10, X6), (a1, b10, X7),
(a1, b10, X8), (a1, b10, X9), (a1, b10, X10), (a1, b10, X11), (a1,
b10, X12), (a1, b10, X13), (a1, b10, X14), (a1, b10, X15), (a1,
b10, X16), (a1, b10, X17), (a1, b10, X18), (a1, b11, X1), (a1, b11,
X2), (a1, b11, X3), (a1, b11, X4), (a1, b11, X5), (a1, b11, X6),
(a1, b11, X7), (a1, b11, X8), (a1, b11, X9), (a1, b11, X10), (a1,
b11, X11), (a1, b11, X12), (a1, b11, X13), (a1, b11, X14), (a1,
b11, X15), (a1, b11, X16), (a1, b11, X17), (a1, b11, X18), (a1,
b12, X1), (a1, b12, X2), (a1, b12, X3), (a1, b12, X4), (a1, b12,
X5), (a1, b12, X6), (a1, b12, X7), (a1, b12, X8), (a1, b12, X9),
(a1, b12, X10), (a1, b12, X11), (a1, b12, X12), (a1, b12, X13),
(a1, b12, X14), (a1, b12, X15), (a1, b12, X16), (a1, b12, X17),
(a1, b12, X18), (a1, b13, X1), (a1, b13, X2), (a1, b13, X3), (a1,
b13, X4), (a1, b13, X5), (a1, b13, X6), (a1, b13, X7), (a1, b13,
X8), (a1, b13, X9), (a1, b13, X10), (a1, b13, X11), (a1, b13, X12),
(a1, b13, X13), (a1, b13, X14), (a1, b13, X15), (a1, b13, X16),
(a1, b13, X17), (a1, b13, X18), (a1, b14, X1), (a1, b14, X2), (a1,
b14, X3), (a1, b14, X4), (a1, b14, X5), (a1, b14, X6), (a1, b14,
X7), (a1, b14, X8), (a1, b14, X9), (a1, b14, X10), (a1, b14, X11),
(a1, b14, X12), (a1, b14, X13), (a1, b14, X14), (a1, b14, X15),
(a1, b14, X16), (a1, b14, X17), (a1, b14, X18), (a1, b15, X1), (a1,
b15, X2), (a1, b15, X3), (a1, b15, X4), (a1, b15, X5), (a1, b15,
X6), (a1, b15, X7), (a1, b15, X8), (a1, b15, X9), (a1, b15, X10),
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(a1, b15, X15), (a1, b15, X16), (a1, b15, X17), (a1, b15, X18),
(a1, b16, X1), (a1, b16, X2), (a1, b16, X3), (a1, b16, X4), (a1,
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X15), (a1, b18, X16), (a1, b18, X17), (a1, b18, X18), (a1, b19,
X1), (a1, b19, X2), (a1, b19, X3), (a1, b19, X4), (a1, b19, X5),
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b22, X15), (a1, b22, X16), (a1, b22, X17), (a1, b22, X18), (a1,
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(a1, b23, X14), (a1, b23, X15), (a1, b23, X16), (a1, b23, X17),
(a1, b23, X18), (a1, b24, X1), (a1, b24, X2), (a1, b24, X3), (a1,
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(a1, b24, X17), (a1, b24, X18), (a1, b25, X1), (a1, b25, X2), (a1,
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(a1, b25, X16), (a1, b25, X17), (a1, b25, X18), (a1, b26, X1), (a1,
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(a1, b26, X15), (a1, b26, X16), (a1, b26, X17), (a1, b26, X18),
(a1, b27, X1), (a1, b27, X2), (a1, b27, X3), (a1, b27, X4), (a1,
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X17), (a1, b27, X18),
[0648] (a2, b1, X1), (a2, b1, X2), (a2, b1, X3), (a2, b1, X4), (a2,
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X16), (a2, b11, X17), (a2, b11, X18), (a2, b12, X1), (a2, b12, X2),
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X5), (a2, b17, X6), (a2, b17, X7), (a2, b17, X8), (a2, b17, X9),
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(a2, b17, X14), (a2, b17, X15), (a2, b17, X16), (a2, b17, X17),
(a2, b17, X18), (a2, b18, X1), (a2, b18, X2), (a2, b18, X3), (a2,
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(a2, b18, X13), (a2, b18, X14), (a2, b18, X15), (a2, b18, X16),
(a2, b18, X17), (a2, b18, X18), (a2, b19, X1), (a2, b19, X2), (a2,
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(a2, b19, X12), (a2, b19, X13), (a2, b19, X14), (a2, b19, X15),
(a2, b19, X16), (a2, b19, X17), (a2, b19, X18), (a2, b20, X1), (a2,
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(a2, b20, X15), (a2, b20, X16), (a2, b20, X17), (a2, b20, X18),
(a2, b21, X1), (a2, b21, X2), (a2, b21, X3), (a2, b21, X4), (a2,
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X17), (a2, b21, X18), (a2, b22, X1), (a2, b22, X2), (a2, b22, X3),
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[0649] (a3, b1, X1), (a3, b1, X2), (a3, b1, X3), (a3, b1, X4), (a3,
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X17), (a12, b17, X18), (a12, b18, X1), (a12, b18, X2), (a12, b18,
X3), (a12, b18, X4), (a12, b18, X5), (a12, b18, X6), (a12, b18,
X7), (a12, b18, X8), (a12, b18, X9), (a12, b18, X10), (a12, b18,
X11), (a12, b18, X12), (a12, b18, X13), (a12, b18, X14), (a12, b18,
X15), (a12, b18, X16), (a12, b18, X17), (a12, b18, X18), (a12, b19,
X1), (a12, b19, X2), (a12, b19, X3), (a12, b19, X4), (a12, b19,
X5), (a12, b19, X6), (a12, b19, X7), (a12, b19, X8), (a12, b19,
X9), (a12, b19, X10), (a12, b19, X11), (a12, b19, X12), (a12, b19,
X13), (a12, b19, X14), (a12, b19, X15), (a12, b19, X16), (a12, b19,
X17), (a12, b19, X18), (a12, b20, X1), (a12, b20, X2), (a12, b20,
X3), (a12, b20, X4), (a12, b20, X5), (a12, b20, X6), (a12, b20,
X7), (a12, b20, X8), (a12, b20, X9), (a12, b20, X10), (a12, b20,
X11), (a12, b20, X12), (a12, b20, X13), (a12, b20, X14), (a12, b20,
X15), (a12, b20, X16), (a12, b20, X17), (a12, b20, X18), (a12, b21,
X1), (a12, b21, X2), (a12, b21, X3), (a12, b21, X4), (a12, b21,
X5), (a12, b21, X6), (a12, b21, X7), (a12, b21, X8), (a12, b21,
X9), (a12, b21, X10), (a12, b21, X11), (a12, b21, X12), (a12, b21,
X13), (a12, b21, X14), (a12, b21, X15), (a12, b21, X16), (a12, b21,
X17), (a12, b21, X18), (a12, b22, X1), (a12, b22, X2), (a12, b22,
X3), (a12, b22, X4), (a12, b22, X5), (a12, b22, X6), (a12, b22,
X7), (a12, b22, X8), (a12, b22, X9), (a12, b22, X10), (a12, b22,
X11), (a12, b22, X12), (a12, b22, X13), (a12, b22, X14), (a12, b22,
X15), (a12, b22, X16), (a12, b22, X17), (a12, b22, X18), (a12, b23,
X1), (a12, b23, X2), (a12, b23, X3), (a12, b23, X4), (a12, b23,
X5), (a12, b23, X6), (a12, b23, X7), (a12, b23, X8), (a12, b23,
X9), (a12, b23, X10), (a12, b23, X11), (a12, b23, X12), (a12, b23,
X13), (a12, b23, X14), (a12, b23, X15), (a12, b23, X16), (a12, b23,
X17), (a12, b23, X18), (a12, b24, X1), (a12, b24, X2), (a12, b24,
X3), (a12, b24, X4), (a12, b24, X5), (a12, b24, X6), (a12, b24,
X7), (a12, b24, X8), (a12, b24, X9), (a12, b24, X10), (a12, b24,
X11), (a12, b24, X12), (a12, b24, X13), (a12, b24, X14), (a12, b24,
X15), (a12, b24, X16), (a12, b24, X17), (a12, b24, X18), (a12, b25,
X1), (a12, b25, X2), (a12, b25, X3), (a12, b25, X4), (a12, b25,
X5), (a12, b25, X6), (a12, b25, X7), (a12, b25, X8), (a12, b25,
X9), (a12, b25, X10), (a12, b25, X11), (a12, b25, X12), (a12, b25,
X13), (a12, b25, X14), (a12, b25, X15), (a12, b25, X16), (a12, b25,
X17), (a12, b25, X18), (a12, b26, X1), (a12, b26, X2), (a12, b26,
X3), (a12, b26, X4), (a12, b26, X5), (a12, b26, X6), (a12, b26,
X7), (a12, b26, X8), (a12, b26, X9), (a12, b26, X10), (a12, b26,
X11), (a12, b26, X12), (a12, b26, X13), (a12, b26, X14), (a12, b26,
X15), (a12, b26, X16), (a12, b26, X17), (a12, b26, X18), (a12, b27,
X1), (a12, b27, X2), (a12, b27, X3), (a12, b27, X4), (a12, b27,
X5), (a12, b27, X6), (a12, b27, X7), (a12, b27, X8), (a12, b27,
X9), (a12, b27, X10), (a12, b27, X11), (a12, b27, X12), (a12, b27,
X13), (a12, b27, X14), (a12, b27, X15), (a12, b27, X16), (a12, b27,
X17), (a12, b27, X18).
[0659] Since the compound (I) has high affinity for the NMDA
receptor, particularly, NR1/NR2B receptor, and has high subtype
selectivity, and high selectivity for other receptor, it can be a
medicament with the reduced side effect (e.g. influence on motion
function). In addition, the compound (I) also has an advantage that
stability is high, oral absorbability is high, good bioavailability
is exhibited, clearance is low, brain transferability is high, a
half life is long, a non-protein binding rate is high, drug
efficacy sustainability is high, and/or the liver enzyme inhibiting
activity is low.
[0660] The compound (I) can be orally or parenterally administered
to an animal including a human, as a medicament, particularly, as a
preventive/remedy for various central diseases resulting from the
NMDA receptor, particularly the NR1/NR2B receptor (e.g. cerebral
stroke, cerebral infarction, brain trauma, chronic
neurodegenerative diseases), or as an analgesic for cancer pain.
Examples of a dosage form include granules, tablets, capsules,
injectables and the like. Upon formulation into preparations, if
desired, various additives, for example, excipients, disintegrating
agents, binders, lubricants, stabilizers, coloring agents, and
coating agents can be used. A dose is different depending on an
age, a weight and condition of a subject, and an administration
method, and is not particularly limited, but usually, is about 1 mg
to about 5000 mg in the case of oral administration, and about 0.1
mg to about 1000 mg in the case of parenteral administration, per
adult one day.
[0661] The present invention will be explained in more detail below
by way of Examples, but the present invention is not limited by
these Examples. A melting point described in the text is an
uncorrected value. In addition, .sup.1H-NMR was measured in a
solvent of deuterium chloroform (CDCl.sub.3) or deuterium dimethyl
sulfoxide (DMSO-d.sub.6) using tetramethylsilane as an internal
standard. A .delta. value is expressed in ppm, and a binding
constant (J) is expressed in Hz. In data, s means singlet, d means
doublet, t means triplet, q means quartet, m means multiplet, br
means broad, and brs means broad singlet.
[0662] Each abbreviation has the following meaning. [0663] THF:
Tetrahydrofuran [0664] DMF: N,N-dimethylformamide [0665] HOBt:
1-Hydroxybenzotriazole [0666] DMAP: 4-Dimethylaminopyridine [0667]
EDC: 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride
[0668] IBX: 1-Hydroxy-1,2-benziodooxol-3(1H)-one 1-oxide [0669] Me:
Methyl [0670] Et: Ethyl [0671] Bu.sup.t: tert-Butyl [0672] Ts:
p-Toluenesulfonyl [0673] BINAP:
2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl [0674]
Pd.sub.2(dba).sub.3: Bis(dibenzylideneacetone)palladium(0) [0675]
DMPO: 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone [0676]
MOM: Methoxymethyl
REFERENCE EXAMPLE 1
Synthesis of Compound 3
##STR00085##
[0678] Under the nitrogen atmosphere, Compound 1 (576 mg, 5.0 mmol)
and Compound 2 (985 mg, 6.0 mmol) were dissolved in DMF (5 ml),
potassium carbonate (829 mg, 6.0 mmol) was added, and the mixture
was stirred at 120.degree. C. for 24 hours. The solvent was
distilled off, and water was added to the residue, followed by
extraction with chloroform. After dried with anhydrous magnesium
sulfate, the solvent was distilled off under reduced pressure, and
the resulting residue was purified by silica gel column
chromatography (chloroform/acetonitrile) to obtain Compound 3 (671
mg, yield 52%).
[0679] .sup.1H NMR (CDCl.sub.3/TMS) .delta.ppm: 1.40-1.50 (br, 3H),
1.74 (m, 2H), 1.88 (d, J=12.3 Hz, 2H), 2.85 (t, J=12.3 Hz, 2H),
3.56 (d, J=4.2 Hz, 2H), 3.83 (d, J=12.3 Hz, 2H), 7.00 (br, 2H),
7.48 (d, J=9.0 Hz, 2H).
REFERENCE EXAMPLE 2
Synthesis of Compound 5
##STR00086##
[0681] According to the same manner as that of Reference Example 1
except that Compound 4 was used in place of Compound 1, a reaction
was performed to obtain Compound 5 (yield 47%).
[0682] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.26-1.39 (m, 2H),
1.56 (q, J=6.6 Hz, 2H), 1.64-1.69 (m, 1H), 1.83 (d, J=12.6 Hz, 2H),
2.87 (t, J=12.6 Hz, 2H), 3.71-3.81 (m, 4H), 6.93 (d, J=8.7 Hz, 2H),
7.46 (d, J=8.7 Hz, 2H).
REFERENCE EXAMPLE 3
Synthesis of Compound 7
##STR00087##
[0684] Compound 4 (646 mg, 5.0 mmol) and Compound 6 (908 mg, 5.0
mmol) were dissolved in DMF (15 ml), sodium bicarbonate (504 mg,
6.0 mmol) was added, and the mixture was stirred at 80.degree. C.
for 2 hours. After cooling, water was added, followed by extraction
with ethyl acetate. The organic layer was washed with an aqueous
saturated sodium chloride solution, and dried with anhydrous
magnesium sulfate, and the solvent was distilled off under reduced
pressure. The resulting residue was purified by silica gel column
chromatography (hexane/ethyl acetate) to obtain Compound 7 (1.08 g,
yield 78%).
[0685] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.16-1.32 (m, 3H),
1.50-1.60 (m, 2H), 1.68-1.86 (m, 3H), 2.84-2.97 (m, 2H), 3.69-3.78
(m, 2H), 4.34-4.44 (m, 2H), 6.63 (d, J=9.0 Hz, 1H), 7.59 (dd,
J=9.0, 1.5 Hz, 1H), 8.37 (d, J=1.5 Hz, 1H).
REFERENCE EXAMPLE 4
Synthesis of Compound 10
##STR00088##
[0687] Under the nitrogen atmosphere, toluene was added to BINAP
(187 mg, 0.3 mmol), Pd.sub.2(dba).sub.3 (92 mg, 0.1 mmol), sodium
tert-butoxide (1.19 g, 12.0 mmol), Compound 8 (1.14 g, 11.2 mmol),
and Compound 9 (1.36 ml, 10.0 mmol) to react them at 120.degree. C.
for 1 hour under microwave irradiation. The reaction solution was
filtered using Celite, and the solid was washed with ethyl acetate.
The filtrate and the washing solution were combined, and
concentrated under reduced pressure, and the resulting residue was
purified by silica gel column chromatography (hexane-ethyl acetate)
to obtain Compound 10 (1.45 g, yield 59%).
[0688] mp 97-98.degree. C.
[0689] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.49-1.56 (m, 2H),
1.62-1.74 (m, 2H), 2.03 (brs, 2H), 3.03-3.10 (m, 2H), 3.63-3.71 (m,
2H), 3.93 (brs, 1H), 6.97 (br, 2H), 7.48 (d, J=8.7 Hz, 2H).
REFERENCE EXAMPLE 5
Synthesis of Compound 12
##STR00089##
[0691] Compound 11 (2.12 g, 15.0 mmol) and Compound 8 (1.82 g, 18.0
mmol) were dissolved in DMF (15 ml), potassium carbonate (2.52 g,
18.0 mmol) was added, and the mixture was stirred at 85.degree. C.
for 1 hour. The solvent was distilled off under reduced pressure,
water was added to the residue, followed by extraction with
chloroform. After dried with anhydrous magnesium sulfate, the
solvent was distilled off under reduced pressure, and the resulting
residue was purified by silica gel column chromatography
(chloroform-acetonitrile) to obtain Compound 12 (3.10 g, yield
93%).
[0692] mp 115.6-117.degree. C.
[0693] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.62-1.74 (m, 2H),
1.99-2.02 (m, 2H), 2.87-2.95 (m, 2H), 3.47-3.54 (m, 2H), 3.82-3.88
(m, 1H), 6.85 (d, J=8.7 Hz, 2H), 7.19 (d, J=8.7 Hz, 2H).
REFERENCE EXAMPLE 6
Synthesis of Compound 13
##STR00090##
[0695] Compound 12 (1.50 g, 6.75 mmol) was dissolved in methanol
(25 ml), 10% palladium-carbon (150 mg) was added, and the interior
of the system was replaced with a hydrogen gas. After stirred at
room temperature for 2 hours, the reaction solution was filtered
using Celite, and washed with methanol. The filtrate, and the
washing solution were combined, and the solvent was distilled off
under reduced pressure to obtain Compound 13 (1.28 g, yield
99%).
[0696] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.70-1.80 (m, 2H),
2.07 (br, 2H), 2.84 (br, 2H), 3.37 (br, 3H), 3.85 (br, 1H), 6.65
(d, J=8.4 Hz, 2H), 6.91 (br, 2H).
REFERENCE EXAMPLE 7
Synthesis of Compound 14
##STR00091##
[0698] Compound 13 (1.28 g, 6.66 mmol) was dissolved in 6 mol/L
hydrochloric acid (26 ml), and the solution was cooled to -35 to
-40.degree. C. with a dry ice-acetone bath. An aqueous solution (5
ml) of sodium nitrite (482 mg, 6.99 mmol) was added dropwise, and
this was stirred at -35.degree. C. to -40.degree. C. for 30
minutes. Urea (199 mg, 1.67 mmol), cuprous chloride (725 mg, 7.32
mmol), cupric chloride (985 mg, 7.32 mmol) were added, and the
mixture was stirred at 60.degree. C. for 45 minutes. This was
cooled with a water bath, aqueous ammonia was added to alkaline,
chloroform was added, and insolubles were filtered off using
Celite. The filtrate was extracted with chloroform, and the organic
layer was washed with water, dried with anhydrous magnesium
sulfate, and the solvent was distilled off under reduced pressure.
The resulting residue was purified by silica gel column
chromatography (chloroform-methanol) to obtain Compound 14 (1.32 g,
yield 94%).
[0699] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.62-1.74 (m, 2H),
1.99-2.02 (m, 2H), 2.87-2.95 (m, 2H), 3.47-3.54 (m, 2H), 3.82-3.88
(m, 1H), 6.85 (d, J=8.7 Hz, 2H), 7.19 (d, J=8.7 Hz, 2H).
REFERENCE EXAMPLE 8
Synthesis of Compound 15
##STR00092##
[0701] Compound 10 (1.50 g, 6.12 mmol) was dissolved in ethyl
acetate (45 ml), IBX (5.14 g, 18.4 mmol) was added, and the mixture
was stirred at 80.degree. C. for 8 hours. This was cooled with an
ice bath, and the precipitated solid was filtered off, and washed
with ethyl acetate. The filtrate, and the washing solution were
combined, and concentrated under reduced pressure, and the
resulting residue was purified by silica gel column chromatography
(chloroform) to obtain Compound 15 (1.34 g, yield 90%).
[0702] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 2.57 (t, J=6.3 Hz,
4H), 3.71 (t, J=6.3 Hz, 4H), 6.97 (d, J=8.7 Hz, 2H), 7.52 (d, J=8.7
Hz, 2H).
REFERENCE EXAMPLE 9
Synthesis of Compound 16
##STR00093##
[0704] According to the same manner as that of Reference Example 8
except that Compound 14 was used in place of Compound 10, a
reaction was performed to obtain Compound 16 (yield 92%).
[0705] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 2.57 (t, J=6.0 Hz,
4H), 3.58 (t, J=6.0 Hz, 4H), 6.91 (d, J=9.0 Hz, 2H), 7.24 (d, J=9.0
Hz, 2H).
REFERENCE EXAMPLE 10
Synthesis of Compound 17
##STR00094##
[0707] According to the same manner as that of Reference Example 8
except that Compound 3 was used in place of Compound 10, a reaction
was performed to obtain Compound 17 (yield 79%).
[0708] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.72-1.85 (m, 2H),
2.01-2.09 (m, 2H), 2.43-2.52 (m, 1H), 2.95-3.04 (m, 2H), 3.69-3.76
(m, 2H), 6.94 (d, J=8.7 Hz, 2H), 7.48 (d, J=8.7 Hz, 2H), 9.71 (s,
1H).
REFERENCE EXAMPLE 11
Synthesis of Compound 19
##STR00095##
[0710] Compound 2 (3.28 g, 20.0 mmol) and Compound 18 (3.77 g, 24.0
mmol) were dissolved in DMF (10 ml), potassium carbonate (3.32 g,
24.0 mmol) was added, and the mixture was stirred at 120.degree. C.
for 24 hours. The solvent was distilled off under reduced pressure,
and water was added to the residue, followed by extraction with
toluene. The organic layer was washed with water, and dried with
anhydrous magnesium sulfate, and the solvent was distilled off
under reduced pressure. The resulting residue was purified by
silica gel column chromatography (toluene-ethyl acetate) to obtain
Compound 19 (2.35 g, yield 39%).
[0711] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.27 (t, J=7.1 Hz,
3H), 1.76-1.92 (m, 2H), 1.97-2.08 (m, 2H), 2.42-2.54 (m, 1H),
2.84-2.96 (m, 2H), 3.70-3.79 (m, 2H), 4.16 (q, J=7.1 Hz, 2H), 6.92
(d, J=9.0 Hz, 2H), 7.46 (d, J=9.0 Hz, 2H).
REFERENCE EXAMPLE 12
Synthesis of Compound 21
##STR00096##
[0713] 1-(4-Chlorophenyl)piperazine hydrochloride 20 (1.00 g, 4.3
mmol) was dissolved in toluene (5 ml), and the solution was cooled
with an ice bath. A solution of ethyl chloroglyoxylate (0.64 g, 4.7
mmol) in toluene (2 ml) was added dropwise, and the mixture was
stirred at 0.degree. C. for 0.5 hour. The reaction solution was
extracted with ethyl acetate. The organic layer was washed with an
aqueous saturated sodium chloride solution, and dried with
anhydrous magnesium sulfate. The solvent was distilled off under
reduced pressure to obtain Compound 21 (1.27 g, yield 100%).
[0714] .sup.1H-NMR (CDCl.sub.3/TMS) .delta.ppm: 1.38 (t, J=7.1 Hz,
3H), 3.15-3.20 (m, 4H), 3.60 (t, J=5.2 Hz, 2H), 3.78 (t, J=5.2 Hz,
2H), 4.36 (q, J=7.1 Hz, 2H), 6.84 (d, J=9.1 Hz, 2H), 7.22 (d, J=9.1
Hz, 2H).
REFERENCE EXAMPLE 13
Synthesis of Compound 24
##STR00097##
[0715] a) Synthesis of Compound 23
[0716] 2-Amino-5-nitrophenol 22 (22.20 g, 144 mmol) was dissolved
in THF (100 ml), and the interior of the system was replaced with a
nitrogen gas, and cooled with an ice bath. A suspension (100 ml) of
1,1'-carbonyldiimidazole (28.03 g, 173 mmol) in THF was added in
portions at 0 to 5.degree. C., and the mixture was stirred at room
temperature for 15 hours. The solvent was distilled off under
reduced pressure, water (144 ml) was added to the residue, this was
cooled with an ice bath, 2 mol/L hydrochloric acid (144 ml, 288
mmol) was added, and the mixture was stirred at room temperature
for 3 hours. The precipitated solid was collected by filtration,
washed with water, and dried to obtain Compound 23 (25.81 g, yield
99%).
[0717] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta.ppm: 7.28 (d, J=8.6
Hz, 1H), 8.13 (dd, J=2.0, 8.6 Hz, 1H), 8.19 (d, J=2.0 Hz, 1H),
12.43 (brs, 1H).
b) Synthesis of Compound 24
[0718] Compound 23 (40.00 g, 222 mmol) was suspended in THF-water
(9:1) mixed solution (400 ml), 10%-palladium-carbon (8.00 g, 53%
water-containing product) was added, and the mixture was stirred at
room temperature for 9 hours under the hydrogen atmosphere. The
reaction solution was filtered using Celite, and the residue was
washed with THF-water (9:1) mixed solution (500 ml). The filtrate
and the washing solution were combined, and concentrated to 96 g
under reduced pressure, water (100 ml) was added, and the solid was
collected by filtration. The solid was washed with water, and dried
to obtain Compound 24 (32.20 g, yield 97%).
[0719] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 5.01 (s, 1H),
6.35 (dd, J=2.0, 8.2 Hz, 1H), 6.50 (d, J=2.0 Hz, 1H), 6.74 (d,
J=8.2 Hz, 1H), 11.03 (brs, 1H).
EXAMPLE 1
Synthesis of Compound (I-2)
##STR00098##
[0720] a) Synthesis of Compound 25
[0721] Under the nitrogen atmosphere, Compound 5 (339 mg, 1.46
mmol) obtained in Reference Example 2 was dissolved in THF (10 ml),
phthalimide (279 mg, 1.90 mmol), triphenylphosphine (498 mg, 1.90
mmol), and diisopropyl azodicarboxylate (0.37 ml, 1.90 mmol) were
added, and the mixture was stirred at room temperature for 1
hour.
[0722] The solvent was concentrated under reduced pressure, and the
resulting residue was purified by silica gel column chromatography
(toluene-ethyl acetate) to obtain Compound 25 (541 mg, yield 92%).
mp 203-205.degree. C.
[0723] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.38-1.55 (m, 3H),
1.68 (q, J=6.6 Hz, 2H), 1.92 (d, J=9.9 Hz, 2H), 2.81 (t, J=11.4 Hz,
2H), 3.74-3.80 (m, 4H), 6.96 (br, 2H), 7.46 (d, J=9.0 Hz, 2H),
7.71-7.74 (m, 2H), 7.84-7.87 (m, 2H).
b) Synthesis of Compound 21
[0724] Compound 26 (537 ng, 1.33 mmol) was dissolved in ethanol (10
ml), hydrazine monohydrate (0.16 ml, 3.33 mmol) was added, and this
was refluxed for 2 hours. After allowing to cool, the precipitated
solid was filtered off. The filtrate and the solid were heated with
chloroform-methanol (9:1 mixed solution), filtered, resulting
filtrates were combined, and the solvent was distilled off under
reduced pressure. To the residue was added a 1 mol/L aqueous sodium
hydroxide solution added, and this was extracted with chloroform.
The organic layer was washed with water, dried with anhydrous
magnesium dulfate, the solvent was distilled off, and the resulting
residue was purified by alumina column chromatography
(chloroform-methanol) to obtain Compound 26 (280 mg, yield
77%).
[0725] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.27-1.40 (m, 2H),
1.46-1.60 (m, 3H), 1.79 (d, J=12.9 Hz, 2H), 2.13 (br, 5H),
2.74-2.85 (m, 4H), 3.78 (d, J=12.6 Hz, 2H), 6.91 (d, J=8.7 Hz, 2H),
7.45 (d, J=8.7 Hz, 2H).
c) Synthesis of Compound (I-2)
[0726] To Compound 26 (276 mg, 1.01 mmol) were added DMF (5 ml),
6-hydroxynicotinic acid (155 mg, 1.11 mmol), HOBt (164 mg, 1.11
mmol), triethylamine (0.17 ml, 1.21 mmol), DMAP (6 mg, 0.05 mmol),
and EDC (232 mg, 1.21 mmol), and the mixture was stirred at room
temperature for 2 hours. The solvent was concentrated under reduced
pressure, the resulting residue were added water, and 2 mol/L
hydrochloric acid, followed by extraction with chloroform-methanol
(9:1 mixed solution). The organic layer was washed with water, an
aqueous saturated sodium bicarbonate solution, and water, and dried
with anhydrous magnesium sulfate, and the solvent was distilled off
under reduced pressure. The resulting residue was recrystallized
from methanol-ethyl acetate to obtain Compound (I-2) (256 mg, yield
65%).
[0727] mp 232-233.degree. C.
[0728] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.14-1.25 (m,
2H), 1.46 (t, J=6.9 Hz, 2H), 1.53 (brs, 1H), 1.77 (d, J=11.7 Hz,
2H), 2.77 (t, J=11.7 Hz, 2H), 3.26 (q, J=5.7 Hz, 2H), 3.85 (d,
J=12.9 Hz, 2H), 6.34 (d, J=9.6 Hz, 1H), 7.03 (d, J=8.7 Hz, 2H),
7.46 (d, J=8.7 Hz, 2H), 7.85 (dd, J=9.6, 2.7 Hz, 1H), 7.97 (d,
J=2.4 Hz, 1H), 8.19 (t, J=5.0 Hz, 1H), 11.93 (s, 1H).
EXAMPLE 2
Synthesis of Compound (I-7)
##STR00099##
[0729] a) Synthesis of Compound 27
[0730] Under the nitrogen atmosphere, Compound 5 (1.37 g, 5.0 mmol)
was dissolved in methylene chloride (15 ml), triethylamine (0.84
ml, 6.0 mmol) was added, and this was cooled with an ice bath.
p-Toluenesulfonyl chloride (1.14 g, 6.0 mmol) was added, and the
mixture was stirred at 0.degree. C. for 45 minutes, and at room
temperature for 3.5 hours. Aqueous ammonia was added, this was
stirred for 15 minutes, and water was added, followed by extraction
with chloroform. The organic layer was dried with anhydrous
magnesium sulfate, the solvent was distilled off under reduced
pressure, and the resulting residue was purified with silica gel
column chromatography (chloroform) to obtain Compound 27 (1.74 g,
yield 81%).
[0731] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.22-1.34 (br,
2H), 1.56-1.73 (m, 5H), 2.46 (s, 3H), 2.75 (t, J=11.7 Hz, 2H), 3.74
(d, J=12.6 Hz, 2H), 4.10 (t, J=6.0 Hz, 2H), 6.91 (d, J=8.4 Hz, 2H),
7.36 (d, J=8.4 Hz, 2H), 7.45 (d, J=8.4 Hz, 2H), 7.80 (d, J=8.4 Hz,
2H).
b) Synthesis of Compound 28
[0732] Under the nitrogen atmosphere, Compound 22 (1.74 g, 4.07
mmol) was dissolved in DMF (17 ml), sodium cyanide (299 mg, 6.11
mmol) was added, and the mixture was stirred at 60.degree. C. for 5
hours. The solvent was distilled off under reduced pressure, and
water was added to the resulting residue, followed by extraction
with toluene. The organic layer was washed with water, dried with
anhydrous magnesium sulfate, the solvent was distilled off under
reduced pressure, and the resulting residue was purified by silica
gel column chromatography (toluene-ethyl acetate) to obtain
Compound 28 (1.07 g, yield 93%).
[0733] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.31-1.42 (m, 2H),
1.64-1.69 (m, 3H), 1.83 (d, J=13.2 Hz, 2H), 2.42 (t, J=6.9 Hz, 2H),
2.78-2.87 (m, 2H), 3.81 (d, J=13.2 Hz, 2H), 6.93 (d, J=8.4 Hz, 2H),
7.47 (d, J=8.4 Hz, 2H).
c) Synthesis of Compound 29
[0734] Compound 28 (1.06 g, 3.75 mmol) was dissolved in methanol
(10 ml), and 85% potassium hydroxide (2.31 g, 35.0 mmol), and water
(10 ml) were added, followed by refluxing for 20 hours. After
allowing to cool to room temperature, the solvent was distilled off
under reduced pressure, and the resulting residue was neutralized
with 5 mol/L hydrochloric acid. The precipitated solid was
collected by filtration, washed with water, and dried to obtain
Compound 29 (1.07g, yield 95%).
[0735] mp 204-206.degree. C. (decompose)
[0736] .sup.1H NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.10-1.22 (m,
2H), 1.45-1.49 (m, 3H), 1.73 (d, J=13.5 Hz, 2H), 2.25 (t, J=7.5 Hz,
2H), 2.75 (t, J=10.5 Hz, 2H), 3.85 (d, J=13.5 Hz, 2H), 7.03 (d,
J=8.7 Hz, 2H), 7.46 (d, J=8.7 Hz, 2H).
d) Synthesis of Compound (I-7)
[0737] To Compound 29 (362 mg, 1.2 mmol) were added DMF (5 ml),
6-amino-3H-benzoxazole-2-one (150 mg, 1.0 mmol), HOBt (162 mg, 1.2
mmol), triethylamine (0.17 ml, 1.2 mmol), DMAP (6.0 mg, 0.05 mmol),
and EDC (230 mg, 1.2 mmol), and the mixture was stirred at room
temperature for 15 hours. The solvent was distilled off under
reduced pressure, to the residue were added chloroform-methanol
(9:1 mixed solution), and an aqueous saturated sodium bicarbonate
solution, and the precipitated solid was collected by filtration,
washed with water, and dried to obtain 261 mg of a solid.
Separately, the filtrate was extracted with chloroform-methanol
(9:1 mixed solution), washed with water, and dried with anhydrous
magnesium sulfate, the solvent was distilled off under reduced
pressure, and the resulting residue was purified by silica gel
column chromatography (chloroform-methanol) to obtain 66 mg of a
solid. The resulting solids were combined, purified by silica gel
column chromatography (chloroform-methanol) and, further,
recrystallized from methanol to obtain Compound (I-7) (244 mg yield
56%).
[0738] mp 254-256.degree. C. (decompose)
[0739] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.16-1.25 (m,
2H), 1.46-1.52 (m, 1H), 1.55 (t, J=7.2 Hz, 2H), 1.76 (d, J=12.0 Hz,
2H), 2.34 (t, J=6.6 Hz, 2H), 2.78 (t, J=12.6 Hz, 2H), 3.87 (d,
J=13.5 Hz, 2H), 7.01 (d, J=8.4 Hz, 1H), 7.04 (d, J=9.0 Hz, 2H),
7.21 (dd, J=8.4, 1.8 Hz, 1H), 7.46 (d, J=9.0 Hz, 2H), 7.69 (d,
J=1.5 Hz, 1H), 9.95 (s, 1H), 11.51 (s, 1H).
EXAMPLE 3
Synthesis of Compound (I-8)
##STR00100##
[0740] a) Synthesis of Compound 30
[0741] Under the nitrogen atmosphere, Compound 15 (1.34 g, 5.51
mmol) obtained in Reference Example 8 was dissolved in THF (20 ml),
and ethyl diethylphosphonoacetate (1.36 g, 6.06 mmol), and lithium
hydroxide (435 mg, 18.2 mmol) were added, followed by refluxing for
2 hours. After cooled with an ice bath, 7 ml of 2 mol/l
hydrochloric acid was added, followed by extraction with diethyl
ether. The organic layer was washed with an aqueous saturated
sodium chloride solution, dried with anhydrous sodium sulfate, the
solvent was distilled off under reduced pressure, and the resulting
residue was purified by silica gel column chromatography
(chloroform). Recrystallization with diethyl ether/hexane afforded
Compound 30 (1.22 g, yield 71%).
[0742] mp 71-74.degree. C.
[0743] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.29 (t, J=7.2 Hz,
3H), 2.46 (t, J=5.7 Hz, 2H), 3.11 (t, J=5.7 Hz, 2H), 3.45 (q, J=6.0
Hz, 4H), 4.17 (q, J=7.2 Hz, 2H), 5.75 (s, 1H), 6.94 (d, J=8.7 Hz,
2H), 7.48 (d, J=8.7 Hz, 2H).
b) Synthesis of Compound 31
[0744] Compound 30 (500 mg, 1.60 mmol) was dissolved in ethanol (15
ml), 10% palladium-carbon (50 mg) was added, the interior of the
system was replaced with a hydrogen gas, and the mixture was
stirred at room temperature for 1.5 hours. The reaction solution
was filtered, insolubles were removed, and the filtrate was
distilled off under reduced pressure. To the resulting residue was
added diethyl ether, this was filtered using Celite, and washed
with diethyl ether. The filtrate, and the washing solution were
combined, and the solvent was distilled off under reduced pressure
to obtain Compound 31 (488 mg, yield 97%).
[0745] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.27 (t, J=7.2 Hz,
3H), 1.38-1.46 (m, 2H), 1.84 (d, J=12.9 Hz, 2H), 1.95-2.04 (m, 1H),
2.28 (d, J=12.9 Hz, 2H), 2.84 (dt, J=2.1, 12.6 Hz, 2H), 4.15 (q,
J=7.2 Hz, 2H), 6.93 (d, J=8.7 Hz, 2H), 7.46 (d, J=8.7 Hz, 2H).
c) Synthesis of Compound 32
[0746] Compound 31 (485 mg, 1.54 mmol) was dissolved in methanol
(10 ml), 2 mol/L sodium hydroxide (2 ml, 4.0 mmol) was added, and
the mixture was stirred at 65.degree. C. for 45 minutes. The
solvent was distilled off under reduced pressure, and 2 mol/L
hydrochloric acid was added to the residue to acidic, and the
precipitated crystal was collected by filtration. The crystal was
washed with water, and dried to obtain Compound 32 (399 mg, yield
96%). mp 103-104.degree. C.
[0747] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.36-1.49 (m, 2H),
1.88 (d, J=12.3 Hz, 2H), 1.97-2.05 (m, 1H), 2.35 (d, J=6.9 Hz, 2H),
2.84 (dt, J=2.4, 12.6 Hz, 2H), 3.79 (d, J=12.6 Hz, 2H), 6.93 (d,
J=9.0 Hz, 2H), 7.46 (d, J=9.0 Hz, 2H).
d) Synthesis of Compound (I-7)
[0748] To Compound 32 (388 mg, 1.35 mmol) were added methylene
chloride (10 ml), 6-amino-3H-benzoxazole-2-one (203 mg, 1.35 mmol),
HOBt (219 mg, 1.62 mmol), triethylamine (0.23 ml, 1.62 mmol), DMAP
(8.0 mg, 0.07 mmol), and EDC (311 mg, 1.62 mmol), and the mixture
was stirred at room temperature for 19 hours. An aqueous saturated
sodium bicarbonate solution was added, and the precipitated solid
was collected by filtration, washed with water, and dried to obtain
105 mg of a solid. Separately, the filtrate was extracted with
chloroform, and dried with anhydrous magnesium sulfate, the solvent
was distilled off under reduced pressure, and the resulting residue
was purified by silica gel column chromatography
(acetonitrile-chloroform) and, further, recrystallized from
acetone-isopropanol to obtain 121 mg of a solid. The resulting
solids were combined, purified by silica gel column chromatography
(chloroform-methanol) and, further, recrystallizaed with ethyl
acetate-methanol-isopropanol to obtain Compound (I-7) (153 mg,
yield 27%).
[0749] mp 245-246.degree. C. (decompose)
[0750] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.23-1.34 (m,
2H), 1.75 (d, J=12.0 Hz, 2H), 1.96-2.06 (m, 1H), 2.25 (d, J=7.2 Hz,
2H), 2.83 (t, J=12.3 Hz, 2H), 3.86 (d, J=12.0 Hz, 2H), 7.02 (t,
J=9.9 Hz, 3H), 7.22 (dd, J=8.7, 1.8 Hz, 1H), 7.47 (d, J=8.7 Hz,
2H), 7.70 (d, J=1.8 Hz, 1H), 9.95 (s, 1H), 11.51 (s, 1H).
EXAMPLE 4
Synthesis of Compound (I-16)
##STR00101##
[0751] a) Synthesis of Compound 33
[0752] Compound 30 (376 mg, 1.2 mmol) was dissolved in methanol (10
ml), lithium hydroxide (252 mg, 6.0 mmol), and water (1 ml) were
added, and the mixture was stirred at room temperature for 85
minutes, and at 65.degree. C. for 45 minutes. The solvent was
distilled off under reduced pressure, water, and 2 mol/L
hydrochloric acid were added to the residue to acidic, and the
precipitated crystal was collected by filtration. After washing
with water, the solid obtained by drying was purified by silica gel
column chromatography (chloroform-methanol) to obtain Compound 33
(286 mg, yield 84%).
[0753] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 2.36 (br, 1H),
3.14 (s, 2H), 3.49 (t, J=5.7 Hz, 2H), 3.86 (br, 1H), 5.73 and 5.79
(s, 1H), 6.90 (d, J=8.7 Hz, 2H), 7.48 (d, J=8.7 Hz, 2H).
b) Synthesis of Compound (I-16)
[0754] To Compound 33 (280 mg, 0.98 mmol) were added methylene
chloride (10 ml), 6-amino-3H-benzoxazole-2-one (147 mg, 0.98 mmol),
HOBt (159 mg, 1.18 mmol), triethylamine (0.16 ml, 1.18 mmol), DMAP
(6.0 mg, 0.05 mmol), and EDC (226 mg, 1.18 mmol), and the mixture
was stirred at room temperature for 4 days. The precipitated solid
was collected by filtration, washed with methylene chloride, and
dried to obtain 338 mg of a solid. Separately, the filtrate was
concentrated under reduced pressure, to the residue were added an
aqueous saturated sodium bicarbonate solution, and diethyl ether,
and the solid was collected by filtration. This was washed with
water, and diethyl ether, and dried to obtain 35 mg of a solid.
Resulting solids were combined, purified by silica gel column
chromatography (chloroform/methanol), and recrystallized from ethyl
acetate/methanol to obtain Compound (I-16) (225 mg, yield 55%).
[0755] mp 203-205.degree. C. (decompose)
[0756] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 2.26 (br, 2H),
3.09 (s, 2H), 3.47 (t, J=5.7 Hz, 2H), 3.78 (br, 2H), 5.69 (s, 1H),
7.02 (d, J=8.1 Hz, 1H), 7.03 (d, J=8.7 Hz, 2H), 7.23 (dd, J=8.4,
1.8 Hz, 1H), 7.49 (d, J=8.7 Hz, 2H), 7.69 (d, J=1.5 Hz, 1H), 10.06
(s, 1H), 11.53 (s, 1H).
EXAMPLE 5
Synthesis of Compound (I-18)
##STR00102##
[0757] a) Synthesis of Compound 34
[0758] Compound 19 (2.35 gt, 7.80 mmol) obtained in Reference
Example 11 was dissolved in methanol (24 ml), and a 2 mol/L aqueous
sodium hydroxide solution (7.8 ml, 15.6 mmol) was added, followed
by refluxing for 30 minutes. The solvent was distilled off under
reduced pressure, 2 mol/L hydrochloric acid was added to the
residue to acidic, and the precipitated crystal was collected by
filtration. After washing with water, drying afforded Compound 34
(2.06 g, yield 97%).
[0759] mp 206-208.degree. C. (decompose)
b) Synthesis of Compound (I-18)
[0760] To Compound 34 (273 mg, 1.0 mmol) were added DMF (5 ml),
6-amino-3H-benzoxazole-2-one (150 mg, 1.0 mmol), HOBt (162 mg, 1.2
mmol), triethylamine (0.17 ml, 1.2 mmol), DMAP (12.0 mg, 0.1 mmol),
and EDC (230 mg, 1.2 mmol), and the mixture was stirred at room
temperature for 41 hours. The solvent was distilled off under
reduced pressure, to the residue were added an aqueous saturated
sodium bicarbonate solution, and water, and the solid was collected
by filtration. The resulting solid was purified by silica gel
column chromatography (chloroform-acetone), and recrystallizaed
with acetone-methanol to obtain Compound (I-18) (341 mg, yield
84%).
[0761] mp 302-304.degree. C. (decompose)
[0762] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.63-1.77 (m,
2H), 1.87 (d, J=10.2 Hz, 2H), 2.53-2.61 (m, 1H), 2.87 (t, J=9.9 Hz,
2H), 3.95 (d, J=13.2 Hz, 2H), 7.01 (d, J=8.4 Hz, 1H), 7.08 (d,
J=8.7 Hz, 2H), 7.25 (dd, J=8.7, 2.1 Hz, 1H), 7.49 (d, J=8.7 Hz,
2H), 7.70 (d, J=2.1 Hz, 1H), 9.99 (s, 1H), 11.50 (s, 1H).
EXAMPLE 6
Synthesis of Compound (I-23)
##STR00103##
[0763] a) Synthesis of Compound 35
[0764] Compound 10 (981 mg, 4.0 mmol) obtained in Reference Example
4 was dissolved in THF (40 ml), phthalimide (765 mg, 5.2 mmol),
triphenylphosphine (1.36 g, 5.2 mmol), and diisopropyl
azodicarboxylate (1.08 ml, 5.2 mmol) were added, and the mixture
was stirred at room temperature for 16 hours. The solvent was
concentrated under reduced pressure, and an aqueous saturated
sodium bicarbonate solution, and water were added to the resultant
residue, followed by extraction with chloroform. The organic layer
was dried with anhydrous magnesium sulfate, the solvent was
distilled off under reduced pressure, and the resulting residue was
washed with methanol to obtain Compound 35 (1.08 g, yield 72%).
[0765] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.77-1.86 (m, 2H),
2.55-2.72 (m, 2H), 2.86-2.99 (m, 2H), 3.89-3.99 (m, 2H), 4.27-4.40
(m, 1H), 6.96(d, J=8.7 Hz, 2H), 7.49 (d, J=8.7 Hz, 2H), 7.72 (dd,
J=3.0, 5.6 Hz, 2H), 7.84 (dd, J=3.0, 5.6 Hz, 2H).
b) Synthesis of Compound 36
[0766] Compound 30 (262 mg, 0.7mmol) was dissolved in ethanol (7
ml), and hydrazine monohydrate (0.087 ml, 1.75 mmol) was added,
followed by refluxing for 2 hours. After allowing to cool, the
precipitated solid was filtered off, and the filtrate was distilled
off under reduced pressure. The resulting residue was purified by
silica gel column chromatography (amino column,
chloroform-methanol) to obtain Compound 36 (125 mg, yield 73%).
[0767] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.30 (brs, 2H),
1.38-1.53 (m, 2H), 1.87-1.98 (m, 2H), 2.82-2.94 (m, 3H), 3.71-3.81
(m, 2H), 6.92 (d, J=8.7 Hz, 2H), 7.45 (d, J=8.7 Hz, 2H).
c) Synthesis of Compound (I-23)
[0768] Compound 37 (60 mg, 0.22 mmol) was dissolved in acetonitrile
(2 ml), and triethylamine (0.034 ml, 0.24 mmol) was added. A
solution of Compound 36 (49 mg, 0.20 mmol) in acetonitrile (1 ml)
was added, followed by refluxing for 6 hours. The precipitated
crystal was filtered off, washed with water, and ethyl acetate, and
dried to obtain (I-23) (50 mg, yield 59%).
[0769] mp 294-296.degree. C.
[0770] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.31-1.55 (m,
2H), 1.80-2.00 (m, 2H), 2.88-3.10 (m, 2H), 3.60-3.85 (m, 3H), 6.17
(s, 1H), 6.95 (s, 2H), 7.06 (d, J=5.4 Hz, 2H), 7.48 (d, J=6.0 Hz,
2H), 7.54 (s, 1H), 8.35 (s, 1H), 11.35 (brs, 1H).
EXAMPLE 7
Synthesis of Compound (I-26)
##STR00104##
[0771] a) Synthesis of Compound 39
[0772] Under the nitrogen atmosphere, a solution of Compound 15
(1.18 g, 4.85 mmol), Compound 38 (1.45 g, 5.09 mmol), DMPO (1.80 g,
14.1 mmol) in THF (10 ml) was cooled with an ice bath, and a
suspension of sodium hydride (60% oily, 204 mg, 5.09 mmol) in THF
(10 ml) was added dropwise. After stirred at room temperature for 3
hours, ice water was added, followed by extraction with diethyl
ether. The organic layer was washed with an aqueous saturated
sodium chloride solution, dried with anhydrous magnesium sulfate,
the solvent was distilled off under reduced pressure, and the
resulting residue was purified by silica gel column chromatography
(chloroform) to obtain Compound 39 (1.43 g, yield 79%).
[0773] H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.35 (t, J=6.9 Hz, 3H),
2.73 (t, J=6.0 Hz, 2H), 2.79 (t, J=6.0 Hz, 2H), 3.40-3.45 (m, 4H),
3.51 (s, 3H), 4.27 (q, J=6.9 Hz, 2H), 4.85 (s, 2H), 6.93 (d, J=8.7
Hz, 2H), 7.49 (d, J=8.7 Hz, 2H).
b) Synthesis of Compound 40
[0774] Compound 39 (1.43 g, 3.83 mmol) was dissolved in ethanol (30
ml), p-toluenesulfonic acid monohydrate (73 mg, 0.38 mmol) was
added, followed by refluxing for 15 hours. After allowing to stand
to cool to room temperature, the solvent was distilled off under
reduced pressure, to the residue were added water, and an aqueous
saturated sodium bicarbonate solution, followed by extraction with
chloroform. The organic layer was dried with anhydrous magnesium
sulfate, the solvent was distilled off under reduced pressure, and
the resulting residue was purified by silica gel column
chromatography (chloroform-acetonitrile) to obtain Compound 40
(1.19 g, yield 95%).
[0775] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.35 (t, J=6.9 Hz,
3 H), 2.73 (t, J=6.0 Hz, 2H), 2.79 (t, J=6.0 Hz, 2H), 3.40-3.45 (m,
4H), 3.51 (s, 3H), 4.27 (q, J=6.9 Hz, 2H), 4.85 (s, 2H), 6.93 (d,
J=8.7 Hz, 2H), 7.49 (d, J=8.7 Hz, 2H).
c) Synthesis of Compound 41
[0776] Compound 40 (329 mg, 1.0 mmol) was dissolved in ethanol (10
ml), 85% potassium hydroxide (99 mg, 1.5 mmol), and water (1 ml)
were added, and the mixture was stirred at room temperature for 75
minutes. The solvent was distilled off under reduced pressure, an
ice, and 2 mol/L hydrochloric acid (0.8 ml, 1.6 mmol) were added to
the residue to acidic, and the precipitated solid was collected by
filtration. After the solid was washed with water, it was dried to
obtain crude Compound 41 (261 mg, crude yield 87%).
d) Synthesis of Compound (I-26)
[0777] To Compound 41 (261 mg, 0.87 mmol) were added DMF (5 ml),
6-amino-3H-benzoxazole-2-one (156 mg, 1.04 mmol), HOBt (140 mg,
1.04 mmol), triethylamine (0.15 ml, 1.04 mmol), DMAP (11.0 mg, 0.09
mmol), and EDC (199 mg, 1.04 mmol), and the mixture was stirred at
room temperature for 64 hours. The solvent was distilled off under
reduced pressure, to the residue were added an aqueous saturated
sodium bicarbonate solution, and water, and a solid was collected
by filtration. The resulting solid was purified by silica gel
column chromatography (chloroform-methanol) and, further,
recrystallized from acetone-ethyl acetate to obtain Compound (I-26)
(179 mg, yield 48%).
[0778] mp 230-232.degree. C.
[0779] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.48-1.62 (m,
2H), 1.95 (d, J=11.7 Hz, 2H), 2.99 (t, J=11.7 Hz, 2H), 3.53-3.60
(m, 1H), 3.92 (d, J=12.9 Hz, 2H), 7.08 (d, J=8.7 Hz, 3H), 7.49 (d,
J=8.7 Hz, 2H), 7.57 (dd, J=8.7, 1.8 Hz, 1H), 7.82 (d, J=1.8 Hz,
1H), 10.63 (s, 1H), 11.64 (s, 1H).
EXAMPLE 8
Synthesis of Compound (I-34)
##STR00105##
[0780] a) Synthesis of Compound 42
[0781] Under the nitrogen atmosphere, a solution of
diisopropylamine (0.50 ml, 3.57 mmol) in THF (5 ml) was cooled to
-78.degree. C. with a dry-ice acetone bath, to this was added
dropwise a 2.67M n-butyllithium-hexane solution (1.20 ml, 3.09
mmol), and the mixture was stirred at -78.degree. C. for 15
minutes. A solution of ethyl acetate (0.30 ml, 3.09 mmol) in THF (2
ml) was added dropwise, the mixture was stirred at -78.degree. C.
for 30 minutes, a solution of Compound 16 (500 mg, 2.38 mmol)
obtained in Reference Example 9 in THF (5 ml) was added, and the
mixture was stirred at -78.degree. C. for 50 minutes. A solution of
ammonium chloride (330 mg, 6.18 mmol) in water (2 ml) was added, a
temperature was raised to room temperature, and water was added,
followed by extraction with diethyl ether. The organic layer was
washed with an aqueous saturated sodium chloride solution, dried
with anhydrous magnesium sulfate, the solvent was distilled off
under reduced pressure, and the resulting residue was purified by
silica gel column chromatography (chloroform-acetonitrile) to
obtain Compound 42 (703 mg, yield 99%).
[0782] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.30 (t, J=7.2 Hz,
3H), 1.73-1.84 (m, 4H), 2.51 (s, 2H), 3.20 (t, J=9.9 Hz, 2H), 3.36
(q, J=7.2 Hz, 2H), 3.61 (s, 1H), 6.88 (d, J=8.7 Hz, 2H), 7.20 (d,
J=8.7 Hz, 2H).
b) Synthesis of Compound 43
[0783] Compound 42 (703 mg, 2,36 mmol) was dissolved in methanol
(10 ml), a 2 mol/L aqueous sodium hydroxide solution (2.4 ml, 4.8
mmol) was added, followed by refluxing for 20 minutes. Acetic acid
(0.55 ml, 9.6 mmol) was added, the solvent was distilled off under
reduced pressure, water was added to the residue, and the
precipitated crystal was collected by filtration. After washing
with water, drying afforded Compound 43 (526 mg, yield 83%).
[0784] mp 130-133.degree. C.
[0785] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.86-1.98 (m, 4H),
2.61 (s, 2H), 3.27-3.40 (m, 4H), 7.09 (d, J=8.7 Hz, 2H), 7.26 (d,
J=8.7 Hz, 2H).
c) Synthesis of Compound (I-34)
[0786] To Compound 43 (70 mg. 1.0 mmol)were added DMF (5 ml),
6-amino-3H-benzoxazole-2-one (150 mg, 1.0 mmol), HOBt (162 mg, 1.2
mmol), DMAP (12.0 mg, 0.1 mmol), and EDC (230 mg, 1.2 mmol), and
the mixture was stirred at room temperature for 63 hours. The
solvent was distilled off under reduced pressure, to the residue
were added an aqueous saturated sodium bicarbonate solution, and
water, and a solid was collected by filtration. The resulting solid
was purified by silica gel column chromatography
(choloroform-methanol) and, further, recrystallized from THF-ethyl
acetate to obtain Compound (I-34) (314 mg, yield 78%).
[0787] mp 255-257.degree. C. (decompose)
[0788] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.63-1.80 (m,
4H), 2.46 (s, 2H), 3.04-3.13 (m, 2H), 3.34-3.40 (m, 2H), 4.75 (s,
1H), 6.94 (d, J=8.7 Hz, 2H), 7.01 (d, J=8.7 Hz, 1H), 7.19 (d, J=8.7
Hz, 2H), 7.13 (dd, J=8.7, 1.8 Hz, 1H), 7.70 (d, J=1.8 Hz, 1H), 9.94
(s, 1H), 11.53 (brs, 1H).
EXAMPLE 9
Synthesis of Compound (I-19)
##STR00106##
[0789] a) Synthesis of Compound 45
[0790] Under the nitrogen atmosphere, Compound 44 (7.52 g, 16.4
mmol) was dissolved in THF (30 ml), potassium hexamethyldisilazide
(6.90 g, 32.9 mmol) was added, and the mixture was stirred at room
temperature for 30 minutes. A solution of Compound 15 (1.00 g, 4.11
mmol) in THF (10 ml) was added, and the mixture was stirred at room
temperature for 3 hours. Water, and 2 mol/L hydrochloric acid were
added, followed by extraction with ethyl acetate. The organic layer
was washed with an aqueous saturated sodium chloride solution, and
dried with anhydrous magnesium sulfate, the solvent was distilled
off under reduced pressure, and the resulting residue was purified
by silica gel column chromatography (hexane-ethyl acetate) to
obtain Compound 45 (0.48 g, yield 34%).
[0791] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.26 (t, J=7.1 Hz,
3H), 2.26-2.32 (m, 2H), 2.34-2.42 (m, 6H), 3.29-3.36 (m, 4H), 4.13
(q, J=7.1 Hz, 2H), 5.20-5.26 (m, 1H), 6.91 (d, J=8.7 Hz, 2H), 7.46
(d, J=8.7 Hz, 2H).
b) Synthesis of Compound 46
[0792] Compound 45 (470 mg, 1.38 mmol) was dissolved in methanol
(10 ml), a 1 mol/L aqueous sodium hydroxide solution (2.1 ml, 2.1
mmol) was added, and the mixture was stirred at room temperature
for 4 hours. 2 mol/L hydrochloric acid was added to acidic,
followed by extraction with ethyl acetate. The organic layer was
dried with anhydrous magnesium sulfate, and the solvent was
distilled off under reduced pressure to obtain Compound 46 (420 mg,
yield 99%).
[0793] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 2.12-2.32 (m,
8H), 3.23-3.40 (m, 4H), 5.18-5.27 (m, 1H), 7.05 (d, J=6.3 Hz, 2H),
7.48 (d, J=6.3 Hz, 2H),
c) Synthesis of Compound 47
[0794] Compound 46 (420 mg, 1.34 mmol), and N-methylmorpholine
(0.15 ml, 1.34 mmol) were dissolved in THF (8 ml), and the solution
was cooled with an ice bath. Isobutyl chlorocarbonate (0.17 ml,
1.34 mmol), triethylamine (0.21 ml, 1.47 mmol), and a solution of
N,O-dimethoxyamine hydrochloride (131 mg, 1.34 mmol) in DMF (3 ml)
were sequentially added, and the mixture was stirred at 0.degree.
C. for 30 minutes, and at room temperature for 5 hours. The solvent
was distilled off under reduced pressure, the residue was added
water, followed by extraction with ethyl acetate. The organic layer
was washed with an aqueous saturated sodium chloride solution, and
dried with anhydrous magnesium sulfate, the solvent was distilled
off, and the resulting residue was purified by silica gel column
chromatography (hexane-ethyl acetate) to obtain Compound 47 (427
mg, yield 89%).
[0795] .sup.1H-NMR (CDCl.sub.3/TMS) .delta. ppm: 2.26-2.53 (m, 8H),
3.18 (s, 3H), 3.30-3.36 (m, 4H), 3.68 (s, 3H), 5.25-5.30 (m, 1H),
6.91 (d, J=8.7 Hz, 2H), 7.46 (d, J=8.7 Hz, 2H)
d) Synthesis of Compound 48
[0796] Under the nitrogen atmosphere, 5-bromo-2-tert-butoxypyridine
(400 mg, 1.74 mmol) was dissolved in THF (8 ml), and the solution
was cooled to -78.degree. C. with a dry ice-acetone bath. A 2.6 M
n-butyllitium-hexane solution (0.72 ml, 1.86 mmol) was added
dropwise, the mixture was stirred at -78.degree. C. for 30 minutes,
a solution of Compound 42 (415 mg, 1.16 mmol) in THF (4 ml) was
added, and the mixture was stirred at -78.degree. C. for 1 hour,
and at -40.degree. C. for 5 hours. An aqueous saturated ammonium
chloride solution and water were added, a temperature was raised to
room temperature, followed by extraction with ethyl acetate. The
organic layer was washed with an aqueous saturated sodium chloride
solution, and dried with anhydrous magnesium sulfate, the solvent
was distilled off under reduced pressure, and the resulting residue
was purified by silica gel column chromatography
(chloroform-acetonitrile) to obtain Compound 48 (275 mg, yield
53%).
[0797] .sup.1-H-NMR (CDCl.sub.3/TMS) .delta. ppm: 1.61 (s, 9H),
2.25-2.32 (m, 2H), 2.35-2.42 (m, 2H), 2.43-2.52 (m, 2H), 2.90-2.99
(m, 2H), 3.29-3.34 (m, 4H), 5.26-5.32 (m, 1H), 6.66 (d, J=8.7 Hz,
1H), 6.90 (d, J=8.7 Hz, 2H), 7.46 (d, J=8.7 Hz, 2H), 8.07 (dd,
J=2.6, 8.7 Hz, 1H), 8.74 (d, J=2.6 Hz, 1H).
e) Synthesis of Compound (I-19)
[0798] Compound 48 (120 mg, 0.27 mmol) was dissolved in chloroform
(3 ml), and the solution was cooled with an ice bath.
Trifluoroacetic acid (2 ml) was added, the mixture was stirred at
0.degree. C. for 1.5 hours, an aqueous saturated sodium bicarbonate
solution was added, followed by extraction with chloroform. The
organic layer was dried with anhydrous magnesium sulfate, the
solvent was distilled off under reduced pressure, the resulting
residue was purified by silica gel column chromatography
(chloroform-methanol). The resulting solid was recrystallized from
methanol-water to obtain Compound (I-19) (77 mg, yield 73%).
[0799] mp 137-139.degree. C.
[0800] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 2.19-2.22 (m,
2H), 2.22-2.39 (m, 4H), 2.78-2.92 (m, 2H), 3.20-3.47 (m, 4H),
5.18-5.30 (m, 1H), 6.36 (d, J=9.6 Hz, 1H), 7.04 (d, J=8.8 Hz, 2H),
7.47 (d, J=8.8 Hz, 2H), 7.87 (dd, J=2.4, 9.6 Hz, 1H), 8.22 (d,
J=2.4 Hz, 1H), 12.12 (brs, 1H).
EXAMPLE 10
Synthesis of Compound (I-20)
##STR00107##
[0801] a) Synthesis of Compound 50
[0802] Compound 49 (144 mg, 0.32 mmol) was dissolved in ethyl
acetate (5 ml), 10% palladium-carbon (15 mg) was added, the
interior of the system was replaced with a hydrogen gas, and the
mixture was stirred at room temperature for 16 hours. The reaction
solution was filtered using Celite, the filtrate was distilled off
under reduced pressure, and the resulting residue was purified by
silica gel column chromatography (hexane-ethyl acetate) to obtain
Compound 50 (88 mg, yielded 61%).
[0803] .sup.1H NMR (CDCl.sub.3/TMS) .delta. ppm: 1.23-1.53 (m,
511), 1.62 (s, 9H), 1.73-1.85 (m, 4H), 2.72-2.84 (m, 2H), 2.48-2.94
(m, 2H), 3.76-3.81 (m, 2H), 6.67 (d, J=8.7 Hz, 1H), 6.91 (d, J=8.7
Hz, 2H), 7.45 (d, J=8.7 Hz, 2H), 8.08 (dd, J=8.7 Hz, 1H), 8.75 (d,
J=2.4 Hz, 1H).
b) Synthesis of Compound (I-20)
[0804] Compound 50 (85 mg, 0.19 mmol) was dissolved in chloroform
(2 ml), and the solution was cooled with an ice bath.
Trifluoroacetic acid (1 ml) was added, the mixture was stirred at
0.degree. C. for 1.5 hours, an aqueous saturated sodium bicarbonate
solution was added, followed by extraction with ethyl acetate. The
organic layer was washed with an aqueous saturated sodium chloride
solution, dried with anhydrous magnesium sulfate, the solvent was
distilled off under reduced pressure, and the resulting residue was
purified by silica gel column chromatography (chloroform-methanol).
The resulting solid was recrystallized from methanol-water to
obtain Compound (I-20) (61 mg, yield 82%).
[0805] mp 171-173.degree. C.
[0806] .sup.1-H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 1.08-1.31 (m,
41), 1.38-1.51 (m, 1H), 1.52-1.65 (m, 2H), 1.65-1.80 (m, 2H),
2.68-2.87 (m, 4H), 3.72-3.90 (m, 2H), 6.37 (d, J=7.2 Hz, 1H), 7.02
(d, J=6.6 Hz, 2H), 7.46 (d, J=6.6 Hz, 2H), 7.87 (dd, J=1.8, 7.2 Hz,
1H), 8.25 (d, J=1.8 Hz, 1H), 12.11 (brs, 1H).
EXAMPLE 11
Synthesis of Compound (1-24)
##STR00108##
[0807] a) Synthesis of Compound 52
[0808] In methylene chloride (20 ml) was dissolved
1-(4-chlorophenyl)piperazine hydrochloride 51 (2.33 g, 10.0 mmol),
a 2 mol/L aqueous sodium hydroxide solution (13.0 ml, 26.0 mmol)
was added, and this was cooled with an ice bath. A solution of
chloroacetyl chloride (1.47 g, 13.0 mmol) in methylene chloride (5
ml) was added, the mixture was stirred at 0.degree. C. for 1 hour,
2 mol/L hydrochloric acid (7.0 ml, 14.0 mmol) was added, followed
by extraction with ethyl acetate. The organic layer was washed
sequentially with an aqueous saturated sodium bicarbonate solution,
and an aqueous saturated sodium chloride solution, dried with
anhydrous sodium sulfate, and the solvent was distilled off under
reduced pressure. The resulting residue was recrystallized from
ethyl acetate-hexane to obtain Compound 52 (2.26 g, yielded
83%).
[0809] .sup.1H NMR (CDCl.sub.3/TMS) .delta. ppm: 3.15 (t, J=5.2 Hz,
2H), 3.20 (t, J=5.2 Hz, 2H), 3.68 (t, J=5.2 Hz, 2H), 3.78 (t, J=5.2
Hz, 2H), 4.11 (s, 2H), 6.85 (d, J=9.1 Hz, 2H), 7.23 (d, J=9.1 Hz,
2H).
b) Synthesis of Compound (I-244)
[0810] Compound 52 (546 mg, 2.0 mmol) and
6-amino-3H-benzoxazole-2-one (300 mg, 2.0 mmol) was dissolved in
DMF (10 ml), and the solution was stirred at 80.degree. C. for 1
hour, and at 100.degree. C. for 4 hours. The solvent was distilled
off under reduced pressure, and an aqueous saturated sodium
bicarbonate solution was added to the residue, followed by
extraction with an ethyl acetate-THF (1:1) mixed solution. The
organic layer was dried with anhydrous sodium sulfate, the solvent
was distilled off under reduced pressure, and the resulting residue
was purified by silica gel column chromatography
(chloroform-methanol). An amorphous substance was crystallized
using methanol, and this was collected by filtration, washed with
diethyl ether, and dried to obtain compound (I-244) (135 mg,
yielded 17%).
[0811] mp 211-213.degree. C.
[0812] .sup.1H-NMR (DMSO-d.sub.6/TMS) .delta. ppm: 3.11-3.23 (m,
4H), 3.58-3.68 (m, 4H), 3.93 (d, J=5.1 Hz, 2H), 5.56 (t, J=5.1 Hz,
1H), 6.48 (dd, J=2.0, 8.6 Hz, 1H), 6.70 (d, J=2.0 Hz, 1H), 6.81 (d,
J=8.7 Hz, 1H), 6.98 (d, J=9.1 Hz, 2H), 7.26 (d, J=9.1 Hz, 2H),
11.12 (brs, 1H).
[0813] According to the same manner, other Compound (I) is
synthesized below. Following are a structural formula and a
physical constant.
TABLE-US-00004 TABLE 4 Compound No. Structural formula Melting
point I-1 ##STR00109## 232-234 I-2 ##STR00110## 232-233(d) I-3
##STR00111## 283-284(d) I-4 ##STR00112## 274-275(d) I-5
##STR00113## 236-238(d) I-6 ##STR00114## 232-234
TABLE-US-00005 TABLE 5 I-7 ##STR00115## 254-256 I-8 ##STR00116##
245-246 I-9 ##STR00117## 243-245 I-10 ##STR00118## 259-261 I-11
##STR00119## 244-247 I-12 ##STR00120## 297-300
TABLE-US-00006 TABLE 6 I-13 ##STR00121## 241-243 I-14 ##STR00122##
253-255 I-15 ##STR00123## 286-288 I-16 ##STR00124## 203-205 I-17
##STR00125## 256-261
TABLE-US-00007 TABLE 7 I-18 ##STR00126## 302-304 I-19 ##STR00127##
137-139 I-20 ##STR00128## 171-173 I-21 ##STR00129## 229-230 I-22
##STR00130## 242-244 I-23 ##STR00131## 294-296
TABLE-US-00008 TABLE 8 I-24 ##STR00132## 227-229 I-25 ##STR00133##
231-233 I-26 ##STR00134## 230-232 I-27 ##STR00135## 235-237 I-28
##STR00136## 127-129 I-29 ##STR00137## 195-197
TABLE-US-00009 TABLE 9 I-30 ##STR00138## 215-217 I-31 ##STR00139##
234-236 I-32 ##STR00140## 232-234 I-33 ##STR00141## 202-203 I-34
##STR00142## 255-257 I-35 ##STR00143## 167-169
TABLE-US-00010 TABLE 10 I-36 ##STR00144## 187-189 I-37 ##STR00145##
213-215 I-38 ##STR00146## 257-259 I-39 ##STR00147## 205-206 I-40
##STR00148## 244-246 I-41 ##STR00149## 230-232 I-42 ##STR00150##
244-246
TABLE-US-00011 TABLE 11 I-43 ##STR00151## 202-204 I-44 ##STR00152##
218-221 I-45 ##STR00153## 230 I-46 ##STR00154## 137-139 I-47
##STR00155## 219-221 I-48 ##STR00156## 228-230
TABLE-US-00012 TABLE 12 I-49 ##STR00157## 268-269 I-50 ##STR00158##
244-246 I-51 ##STR00159## 273-275 I-52 ##STR00160## 212-214 I-53
##STR00161## 206-208 I-54 ##STR00162## 262-263
TABLE-US-00013 TABLE 13 I-55 ##STR00163## 247-249 I-56 ##STR00164##
206-209 I-57 ##STR00165## 219-222 I-58 ##STR00166## 270-273 I-59
##STR00167## 245-248 I-60 ##STR00168## 266
TABLE-US-00014 TABLE 14 Compound No. Structural formula Melting
point I-61 ##STR00169## 218-219 I-62 ##STR00170## 229-230 I-63
##STR00171## 236-237 I-64 ##STR00172## 222-223 I-65 ##STR00173##
260-261 I-66 ##STR00174## 219-220 I-67 ##STR00175## 199-200
TABLE-US-00015 TABLE 15 I-68 ##STR00176## 243-245 I-69 ##STR00177##
214-215 I-70 ##STR00178## 247-248 I-71 ##STR00179## 243-245 I-72
##STR00180## 263-265 I-73 ##STR00181## 265-267 I-74 ##STR00182##
253-255
TABLE-US-00016 TABLE 16 I-75 ##STR00183## 199 I-76 ##STR00184##
277-279 I-77 ##STR00185## 177-178 I-78 ##STR00186## 178-180 I-79
##STR00187## 314-315 I-80 ##STR00188## 206-207 I-81 ##STR00189##
205-206
TABLE-US-00017 TABLE 17 I-82 ##STR00190## 252-254 I-83 ##STR00191##
256-258 I-84 ##STR00192## >300 I-85 ##STR00193## >300 I-86
##STR00194## 211-213 I-87 ##STR00195## 271-273 I-88 ##STR00196##
232-233
TABLE-US-00018 TABLE 18 I-89 ##STR00197## 244-246 I-90 ##STR00198##
279-280 I-91 ##STR00199## 247-248 I-92 ##STR00200## 251-252 I-93
##STR00201## 287-288 I-94 ##STR00202## 277-279
TABLE-US-00019 TABLE 19 I-95 ##STR00203## 253-255 I-96 ##STR00204##
236-237 I-97 ##STR00205## 211-212 I-98 ##STR00206## 246-247 I-99
##STR00207## 240-241 I-100 ##STR00208## 185-186 I-101 ##STR00209##
315
TABLE-US-00020 TABLE 20 I-102 ##STR00210## 252 I-103 ##STR00211##
228-230 I-104 ##STR00212## 259-261 I-105 ##STR00213## 274-276 I-106
##STR00214## 212-213 I-107 ##STR00215## 269-270 I-108 ##STR00216##
235-236
TABLE-US-00021 TABLE 21 I-109 ##STR00217## 236-237 I-110
##STR00218## 251-253 I-111 ##STR00219## 248-250 I-112 ##STR00220##
244-245 I-113 ##STR00221## 293-294 I-114 ##STR00222## 173-174 I-115
##STR00223## 234-235
TABLE-US-00022 TABLE 22 I-116 ##STR00224## 189-190 I-117
##STR00225## 265-267 I-118 ##STR00226## 246-248 I-119 ##STR00227##
I-120 ##STR00228## I-121 ##STR00229## I-122 ##STR00230## I-123
##STR00231##
TABLE-US-00023 TABLE 23 I-124 ##STR00232## I-125 ##STR00233## I-126
##STR00234## I-127 ##STR00235## I-128 ##STR00236## I-129
##STR00237## I-130 ##STR00238## I-131 ##STR00239##
TABLE-US-00024 TABLE 24 I-132 ##STR00240## I-133 ##STR00241## I-134
##STR00242## I-135 ##STR00243## I-136 ##STR00244## I-137
##STR00245## I-138 ##STR00246## I-139 ##STR00247##
TABLE-US-00025 TABLE 25 I-140 ##STR00248## I-141 ##STR00249## I-142
##STR00250## I-143 ##STR00251## I-144 ##STR00252## I-145
##STR00253## I-146 ##STR00254## I-147 ##STR00255##
TABLE-US-00026 TABLE 26 I-148 ##STR00256## I-149 ##STR00257## I-150
##STR00258## I-151 ##STR00259## I-152 ##STR00260## I-153
##STR00261## I-154 ##STR00262## 199-200 I-155 ##STR00263##
262-263
TABLE-US-00027 TABLE 27 I-156 ##STR00264## I-157 ##STR00265## I-158
##STR00266## I-159 ##STR00267## I-160 ##STR00268## I-161
##STR00269## I-162 ##STR00270## 198-199 I-163 ##STR00271##
TABLE-US-00028 TABLE 28 I-164 ##STR00272## I-165 ##STR00273## I-166
##STR00274## I-167 ##STR00275## I-168 ##STR00276## I-169
##STR00277## 183-185 I-170 ##STR00278## 114-116
TABLE-US-00029 TABLE 29 I-171 ##STR00279## I-172 ##STR00280## I-173
##STR00281## 108-109 I-174 ##STR00282## 208-210 I-175 ##STR00283##
I-176 ##STR00284## 120-123 I-177 ##STR00285## 117-119 I-178
##STR00286## 124-127
TABLE-US-00030 TABLE 30 I-179 ##STR00287## 119-121 I-180
##STR00288## 217-220 I-181 ##STR00289## 233-235(d) I-182
##STR00290## 205-206 I-183 ##STR00291## I-184 ##STR00292## 217-219
I-185 ##STR00293## I-186 ##STR00294## 200-202
TABLE-US-00031 TABLE 31 I-187 ##STR00295## 222-224 I-188
##STR00296## 214-216 I-189 ##STR00297## 240-242 I-190 ##STR00298##
216-218 I-191 ##STR00299## I-192 ##STR00300## 190-192 I-193
##STR00301## 237-239 I-194 ##STR00302##
TABLE-US-00032 TABLE 32 I-195 ##STR00303## I-196 ##STR00304##
215-217 I-197 ##STR00305## 242-244 I-198 ##STR00306## 285-287 I-199
##STR00307## 208-209 I-200 ##STR00308## 241-242 I-201 ##STR00309##
250-251 I-202 ##STR00310## 227-228
TABLE-US-00033 TABLE 33 Compound No. Structural formula Melting
point I-203 ##STR00311## 264-266(d) I-204 ##STR00312## 241-243
I-205 ##STR00313## 209-211 I-206 ##STR00314## 107-108 I-207
##STR00315## 202-203 I-208 ##STR00316## 230-232 I-209 ##STR00317##
197-198
TABLE-US-00034 TABLE 34 I-210 ##STR00318## 195-197 I-211
##STR00319## 229-230 I-212 ##STR00320## 185-187 I-213 ##STR00321##
253-255 I-214 ##STR00322## 272-274 I-215 ##STR00323## 237-240 I-216
##STR00324## 208-209
TABLE-US-00035 TABLE 35 I-217 ##STR00325## 197-198 I-218
##STR00326## 160-162 I-219 ##STR00327## 139-141 I-220 ##STR00328##
197-199 I-221 ##STR00329## 192-193 I-222 ##STR00330## 223-226 I-223
##STR00331## 197-198 I-224 ##STR00332## 245-247
TABLE-US-00036 TABLE 36 I-225 ##STR00333## 226-228 I-226
##STR00334## 250-252 I-227 ##STR00335## 194-196 I-228 ##STR00336##
191-193 I-229 ##STR00337## 229-231 I-230 ##STR00338## 217-219 I-231
##STR00339## 239-241
TABLE-US-00037 TABLE 31 I-232 ##STR00340## 215-216 I-233
##STR00341## 208-212 I-234 ##STR00342## 219-220 I-235 ##STR00343##
245-246 I-236 ##STR00344## 243-245 I-237 ##STR00345## 224-226 I-238
##STR00346## 227-229 I-239 ##STR00347## 239-241
TABLE-US-00038 TABLE 38 I-240 ##STR00348## 223-225 I-241
##STR00349## 123-125 I-242 ##STR00350## 233-235 I-243 ##STR00351##
191-192 I-244 ##STR00352## 211-213 I-245 ##STR00353## 194-196 I-246
##STR00354## 114-116
TABLE-US-00039 TABLE 39 Compound No. Structural formula Melting
point I-247 ##STR00355## 224-226 I-248 ##STR00356## 118-120 I-249
##STR00357## 123-125 I-250 ##STR00358## 201-203 I-251 ##STR00359##
122-124 I-252 ##STR00360## I-253 ##STR00361## 226-228
TABLE-US-00040 TABLE 40 I-254 ##STR00362## 106-108 I-255
##STR00363## 108-110 I-256 ##STR00364## 220-222 I-257 ##STR00365##
220-202 I-258 ##STR00366## 106-108 I-259 ##STR00367## I-260
##STR00368##
TABLE-US-00041 TABLE 41 I-261 ##STR00369## I-262 ##STR00370##
275-227 I-263 ##STR00371## 226-228 I-264 ##STR00372## 114-116 I-265
##STR00373## 110-112 I-266 ##STR00374## 123-125
TEST EXAMPLE 1
Test of Binding with NMDR Receptor (NR1/NR2B Receptor)
[0814] Using Ifenprodil which is an antagonist specific for a
NR1/NR2B subtype receptor as a ligand, an experiment of competition
between a receptor and a test compound was performed.
[0815] Using a male Slc: Wistar rat as an animal, a brain was
isolated after decapitation, and a cerebral cortex was
fractionated. The cerebral cortex was homogenized with a 20-fold
amount of an ice-cooled 50 mM Tris/HCl buffer (pH 7.4), and the
homogenate was centrifuged at 4.degree. C. and 27,500.times.g for
10 minutes. The resulting precipitate was suspended in the same
buffer, and this was again centrifuged. This operation was repeated
for three times, the resulting precipitate was suspended in a
buffer, and this was stored at -80.degree. C. Immediately before an
experiment, the frozen suspension was thawed at room temperature,
this was centrifuged at 4.degree. C. and 27,500.times.g for 10
minutes, and the resulting precipitate was suspended in a buffer.
Further, the suspension was diluted 10-fold with a buffer, and this
was used as a membrane specimen in an experiment. In a binding
experiment, to 470 .mu.l of the membrane specimen were added 10
.mu.l of each of test compounds having different concentrations, 10
.mu.l of a labeled ligand [.sup.3H]-Ifenprodil and 10 .mu.l
GBR-12909, followed by incubation at an ice temperature for 120
minutes. A concentration of [.sup.3H]-Ifenprodil of the labeled
ligand was finally 5 nM, and a concentration of GBR-12909 was
finally 3 .mu.M. For measuring a total binding amount, DMSO as a
solvent was used and, for measuring a non-specific binding amount,
100 .mu.M Ifenprodil was used. GBR-12909 was added in order to
block binding of [.sup.3H]-Ifenprodil to non-polyamine-sensitive
site. After incubation, a bound form and a free form were separated
using Whatman GF/C filter (manufactured by Whatman), and the filter
was washed with 2.5 ml ice-cooled buffer four times. The filter was
immersed in liquid scintillation (Cryasol I, manufactured by
Nacalai tesque), and radioactivity (dpm) was measured with a liquid
scintillation counter. From a measured value, a binding inhibition
rate (%) was obtained by the following equation, and a dose at
which binding is inhibited 50% (IC.sub.50) was calculated. An
IC.sub.50 value of a test substance is shown in Table 42. A formula
of GBR-12909 (vanoxerine) is shown below.
##STR00375##
Binding inhibition rate (%)=100-[(binding amount in the presence of
test compound-non-specific binding amount)/(total binding
amount-non-specific binding amount)].times.100
TABLE-US-00042 TABLE 42 Compound NR2B No. (IC50 .mu.M) I-1 0.043
I-2 0.033 I-5 0.043 I-21 0.096 I-23 0.040 I-30 0.077 I-42 0.107
I-43 0.017 I-55 0.025 I-66 0.090 I-70 0.068 I-73 0.015 I-79 0.013
I-85 0.067 I-87 0.012 I-90 0.026 I-98 0.015 I-100 0.074 I-101 0.011
I-103 0.018 I-104 0.016 I-105 0.045 I-109 0.012 I-113 0.034 I-116
0.049 I-154 0.044 I-177 0.059 I-178 0.029 I-180 0.062 I-184 0.041
I-187 0.054 I-188 0.021 I-192 0.052 I-196 0.023 I-198 0.073 I-200
0.081 I-201 0.074
[0816] The following compounds showed 1050 of 0.1 .mu.M or lower.
I-45, I-99, I-84, I-86, I-107, I-114, I-204, I-205, I-206, I-207,
I-208, I-209, I-211, I-221, I-225, I-226, I-227, I-228, I-230,
I-232, I-233, I-235, I-237, I-238, I-239, I-241, I-247 and
I-249.
[0817] From the above result, it was made clear that the present
compound exhibits strong binding property on the NR1/NR2B subtype
receptor.
TEST EXAMPLE 2
Measurement of Expression of NMDA Receptor and Ca Ion Influx
Amount
[0818] A complementary DNA (c DNA) of a mouse NMDA receptor subunit
was transiently introduced into a HEK293 cell and, after 1 day from
introduction, change in a glutamic acid/glycine-induced
intracelluar Ca amount was measured using a Ca ion reactive
fluorescent coloring matter.
[0819] The HEK293 cell was cultured, and passaged using a modified
Dulbecco's Eagle medium (DMEM, low glucose).
[0820] The HEK293 cell (20,000/well) was seeded on a 96-well plate,
a NR1 subunit and a NR2B subunit of the NMDA receptor incorporated
into the pcDNA3.1 plasmid were transiently introduced into a cell,
and the subunits were co-expressed. An introduction amount of a DNA
was 0.025 .mu.g in the case of the NR1 subunit, and 0.075 .mu.g in
the case of NR2B subunit per well. For the cell after introduction,
cell death was inhibited using 50 .mu.M of the NMDA receptor
antagonist MK-801.
[0821] For adjusting a test compound and washing a cell,
Krebs/Ringer/Hepes buffer (KRH, Ca: 5 mM) was used.
[0822] After 1 day from introduction, the NMDA receptor antagonist
MK-801 was washed out using the KRH buffer, and a Ca ion indication
fluorescent coloring matter Fluo-3/AM was made to be taken into the
cell. Ca ion influx was induced with 20 .mu.M glutamic acid/2 .mu.M
glycine. Change in a fluorescent amount due to Ca ion influx into
the cell was measured at excitation of 480 nm using a fluorescent
imaging system FDSS 3000.
[0823] Usually, if a test compound exhibits the antagonism of the
NMDA receptor, Ca ion influx into the cell is reduced, a
fluorescent amount is reduced.
[0824] From a measured value of the test compound, a Ca ion influx
inhibition rate (%) was obtained by the following equation, and a
dose at which influx is inhibited 50% (IC.sub.50) was calculated.
An IC.sub.50 value of the test substance is shown in Table 43.
Ca ion influx inhibition rate (%)=100-[(fluorescent amount in the
presence of test compound-background fluorescent amount)/(total
fluorescent amount-background fluorescent)].times.100
TABLE-US-00043 TABLE 43 Compound Ca2+ No. IC50 (.mu.M) I-2 0.014
I-5 0.020 I-6 0.039 I-8 0.048 I-11 0.069 I-16 0.037 I-21 0.037 I-23
0.025 I-25 0.063 I-26 0.048 I-30 0.004 I-33 0.037 I-34 0.020 I-40
0.015 I-41 0.092 I-42 0.013 I-43 0.009 I-45 0.023 I-53 0.067 I-55
0.007 I-61 0.037 I-62 0.092 I-63 0.079 I-66 0.025 I-70 0.015 I-73
0.008 I-74 0.039 I-78 0.031 I-79 0.002 I-80 0.052 I-81 0.062 I-84
0.011 I-89 0.087 I-94 0.051 I-100 0.010 I-101 0.001 I-104 0.001
I-105 0.010 I-109 0.001 I-110 0.009 I-113 0.034 I-116 0.049 I-122
0.024 I-138 0.044 I-140 0.044 I-154 0.004 I-155 0.053 I-180 0.013
I-184 0.011 I-187 0.014 I-196 0.015 I-197 0.059
[0825] The following compounds exhibited IC.sub.50 of 0.1 .mu.M
lower. I-76, I-86, I-87, I-90, I-98, I-99, I-103, I-107, I-111,
I-114, I-176, I-177, I-178, I-207, I-208, I-209, I-211, I-212,
I-221, I-225, I-227, I-228, I-230, I-233, I-237, I-238 and
I-249.
[0826] From the above results, it was made clear that the present
compound exhibits the NMDA receptor antagonism.
INDUSTRIAL APPLICABILITY
[0827] The present invention is usefull as an analgesic and/or
nerve protecting agent, which exhibits specific antagonism for a
glutamic acid receptor of a central nervous cell, particularly,
NR1/NR2B receptor being one kind of NMDA receptors, and has little
side effect on motion function (abnormal sensation) and mental
symptom (schizophrenia).
* * * * *