U.S. patent application number 15/608099 was filed with the patent office on 2017-09-14 for prodrugs of amino quinazoline kinase inhibitor.
The applicant listed for this patent is GlaxoSmithKline Intellectual Property Development Limited. Invention is credited to Pamela A. HAILE, Gren WANG.
Application Number | 20170258794 15/608099 |
Document ID | / |
Family ID | 50278703 |
Filed Date | 2017-09-14 |
United States Patent
Application |
20170258794 |
Kind Code |
A1 |
WANG; Gren ; et al. |
September 14, 2017 |
PRODRUGS OF AMINO QUINAZOLINE KINASE INHIBITOR
Abstract
Disclosed are compounds having the formula: ##STR00001## wherein
X is as defined herein, and methods of making and using the
same.
Inventors: |
WANG; Gren; (Collegeville,
PA) ; HAILE; Pamela A.; (Collegeville, PA) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
GlaxoSmithKline Intellectual Property Development Limited |
Brentford |
|
GB |
|
|
Family ID: |
50278703 |
Appl. No.: |
15/608099 |
Filed: |
May 30, 2017 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
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15080969 |
Mar 25, 2016 |
9695161 |
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15608099 |
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14397218 |
Oct 27, 2014 |
9586953 |
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PCT/US2013/059619 |
Sep 13, 2013 |
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15080969 |
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61767387 |
Feb 21, 2013 |
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61700422 |
Sep 13, 2012 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
A61P 19/02 20180101;
A61P 11/06 20180101; C07F 9/6561 20130101; A61P 1/04 20180101; A61P
37/06 20180101; A61P 17/00 20180101; A61P 29/00 20180101; A61P 3/10
20180101; A61P 37/02 20180101; A61K 31/09 20130101; C07D 417/12
20130101; A61K 31/428 20130101; A61K 31/381 20130101; A61K 31/198
20130101; A61K 31/433 20130101; A61P 11/00 20180101; A61K 31/517
20130101 |
International
Class: |
A61K 31/517 20060101
A61K031/517; A61K 31/433 20060101 A61K031/433; A61K 31/198 20060101
A61K031/198; A61K 31/09 20060101 A61K031/09; A61K 31/381 20060101
A61K031/381 |
Claims
1. A compound which is: ##STR00025## or a pharmaceutically
acceptable salt thereof.
2. A compound of claim 1, which is
(2S,3S)-2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate.
3. The compound, or pharmaceutically acceptable salt thereof,
according to claim 1, which is the pharmaceutically acceptable salt
of said compound.
4. A pharmaceutical composition comprising the compound, or
pharmaceutically acceptable salt thereof, according to claim 1, and
a pharmaceutically acceptable excipient.
5. A method of treating a disease mediated by RIP2 kinase
comprising administering a therapeutically effective amount of the
compound, or pharmaceutically acceptable salt thereof, or hydrate
thereof, according to claim 1 to a human in need thereof, wherein
the disease is selected from uveitis, dermatitis, acute lung
injury, type 2 diabetes mellitus, arthritis, rheumatoid arthritis,
ulcerative colitis, Crohn's disease, early-onset inflammatory bowel
disease, extraintestinal inflammatory bowel disease, prevention of
ischemia reperfusion injury in solid organ transplant, non-alcohol
steatohepatitis, autoimmune hepatitis, asthma, systemic lupus
erythematosus, multiple sclerosis, sarcoidosis, Blau
syndrome/early-onset sarcoidosis, Wegner's granulomatosis, and
interstitial pulmonary disease.
6. The method according to claim 5, wherein the disease is selected
from uveitis, Blau Syndrome, early-onset sarcoidosis, ulcerative
colitis, Crohn's disease, Wegener's granulamatosis and
sarcoidosis.
7. The method according to claim 5, wherein the disease is Crohn's
disease.
8. The method according to claim 5, wherein the disease is
ulcerative colitis.
9. The method according to claim 5, wherein the disease is Blau
syndrome.
10. The method according to claim 5, wherein the disease is
rheumatoid arthritis.
Description
BACKGROUND OF THE INVENTION
[0001] Field of the Invention
[0002] The present invention relates to novel prodrugs of a
quinazolyl amine that inhibits RIP2 kinase and methods of making
and using the same. Specifically, the present invention relates to
novel prodrugs of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol.
[0003] Background of the Invention
[0004] Receptor interacting protein-2 (RIP2) kinase, which is also
referred to as CARD3, RICK, CARDIAK, or RIPK2, is a TKL family
serine/threonine protein kinase involved in innate immune
signaling. RIP2 kinase is composed of an N-terminal kinase domain
and a C-terminal caspase-recruitment domain (CARD) linked via an
intermediate (IM) region ((1998) J. Biol. Chem. 273, 12296-12300;
(1998) Current Biology 8, 885-889; and (1998) J. Biol. Chem. 273,
16968-16975). The CARD domain of RIP2 kinase mediates interaction
with other CARD-containing proteins, such as NOD1 and NOD2 ((2000)
J. Biol. Chem. 275, 27823-27831 and (2001) EMBO reports 2,
736-742). NOD1 and NOD2 are cytoplasmic receptors which play a key
role in innate immune surveillance. They recognize both gram
positive and gram negative bacterial pathogens and are activated by
specific peptidoglycan motifs, diaminopimelic acid (i.e., DAP) and
muramyl dipeptide (MDP), respectively ((2007) J Immunol 178,
2380-2386).
[0005] Following activation, RIP2 kinase associates with NOD1 or
NOD2 and appears to function principally as a molecular scaffold to
bring together other kinases (TAK1, IKK.alpha./.beta..gamma.)
involved in NF-.kappa.B and mitogen-activated protein kinase
activation ((2006) Nature Reviews Immunology 6, 9-20). RIP2 kinase
undergoes a K63-linked polyubiquitination on lysine-209 which
facilitates TAK1 recruitment ((2008) EMBO Journal 27, 373-383).
This post-translational modification is required for signaling as
mutation of this residue prevents NOD1/2 mediated NF-kB activation.
RIP2 kinase also undergoes autophosphorylation on serine-176, and
possibly other residues ((2006) Cellular Signalling 18, 2223-2229).
Studies using kinase dead mutants (K47A) and non-selective small
molecule inhibitors have demonstrated that RIP2 kinase activity is
important for regulating the stability of RIP2 kinase expression
and signaling ((2007) Biochem J 404, 179-190 and (2009) J. Biol.
Chem. 284, 19183-19188).
[0006] Dysregulation of RIP2-dependent signaling has been linked to
autoinflammatory diseases. Gain-of-function mutations in the
NACHT-domain of NOD2 cause Blau Syndrome, early-onset sarcoidosis,
a pediatric granulomateous disease characterized by uveitis,
dermatitis, and arthritis ((2001) Nature Genetics 29, 19-20; (2005)
Journal of Rheumatology 32, 373-375; (2005) Current Rheumatology
Reports 7, 427-433; (2005) Blood 105, 1195-1197; (2005) European
Journal of Human Genetics 13, 742-747; (2006) American Journal of
Ophthalmology 142, 1089-1092; (2006) Arthritis & Rheumatism 54,
3337-3344; (2009) Arthritis & Rheumatism 60, 1797-1803; and
(2010) Rheumatology 49, 194-196). Mutations in the LRR-domain of
NOD2 have been strongly linked to susceptibility to Crohn's Disease
((2002) Am. J. Hum. Genet. 70, 845-857; (2004) European Journal of
Human Genetics 12, 206-212; (2008) Mucosal Immunology (2008) 1
(Suppl 1), S5-S9. 1, S5-S9; (2008) Inflammatory Bowel Diseases 14,
295-302; (2008) Experimental Dermatology 17, 1057-1058; (2008)
British Medical Bulletin 87, 17-30; (2009) Inflammatory Bowel
Diseases 15, 1145-1154 and (2009) Microbes and Infection 11,
912-918). Mutations in NOD1 have been associated with asthma
((2005) Hum. Mol. Genet. 14, 935-941) and early-onset and
extraintestinal inflammatory bowel disease ((2005) Hum. Mol. Genet.
14, 1245-1250). Genetic and functional studies have also suggested
a role for RIP2-dependent signaling in a variety of other
granulomateous disorders, such as sarcoidosis ((2009) Journal of
Clinical Immunology 29, 78-89 and (2006) Sarcoidosis Vasculitis and
Diffuse Lung Diseases 23, 23-29) and Wegner's Granulomatosis
((2009) Diagnostic Pathology 4, 23).
[0007] A potent, selective, small molecule inhibitor of RIP2 kinase
activity would block RIP2-dependent pro-inflammatory signaling and
thereby provide a therapeutic benefit in autoinflammatory diseases
characterized by increased and/or dysregulated RIP2 kinase
activity. International Patent Application PCT/US2012/051247
(WO2013/025958) describes a series of quinazolyl amine compounds
which are indicated as inhibitors of RIP2 kinase. Specifically
disclosed in that application is the compound
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol.
[0008] As is known in the art, the bioavailability of compounds
within a structural class is difficult to predict. Relatively minor
structural modifications often have a large impact on the
absorption of a compound, its blood level concentrations and/or its
half-life. As a consequence, structurally related compounds that
have very good in vitro potency may vary in therapeutic
effectiveness. The viability of a putative medicinal agent may be
attenuated by poor oral bioavailability.
[0009] Prodrugs are bioreversible derivatives of drug molecules
that undergo an enzymatic and/or chemical transformation in vivo to
release the active parent drug, which can then exert the desired
pharmacological effect. In both drug discovery and development,
prodrugs have become an established tool for improving
physicochemical, biopharmaceutical, or pharmacokinetic properties
of pharmacologically active agents. In certain cases,
identification of an appropriate prodrug may be necessary in order
to obtain an effective orally-administered therapeutic.
SUMMARY OF THE INVENTION
[0010] The invention is directed to quinazolyl amine compounds
according to Formula (I):
##STR00002##
[0011] wherein:
[0012] X is selected from the group consisting of:
##STR00003##
[0013] R.sup.1a and R.sup.1b are each independently H,
(C.sub.1-C.sub.4)alkyl, or
--CH.sub.2OCO.sub.2(C.sub.1-C.sub.4)alkyl;
[0014] or R.sup.1a and R.sup.1b together represent
--(CH.sub.2).sub.2-- or --(CH.sub.2).sub.3--:
[0015] R.sup.2a, R.sup.2b, R.sup.3a, and Rb are each independently
H or (C.sub.1-C.sub.4)alkyl, wherein said (C.sub.1-C.sub.4)alkyl is
optionally substituted by --CO.sub.2(C.sub.1-C.sub.4)alkyl;
[0016] or R.sup.2a and R.sup.2b together represent
--(CH.sub.2).sub.4--, --(CH.sub.2).sub.5--,
--(CH.sub.2).sub.2O(CH.sub.2).sub.2--,
--(CH.sub.2).sub.2NH(CH.sub.2).sub.2--, or
--(CH.sub.2).sub.2N(CH.sub.3)(CH.sub.2).sub.2--:
[0017] or R.sup.3a and R.sup.3b together represent
--(CH.sub.2).sub.4--, --(CH.sub.2)--,
--(CH.sub.2).sub.2O(CH.sub.2).sub.2--,
--(CH.sub.2).sub.2NH(CH.sub.2).sub.2--, or
--(CH.sub.2).sub.2N(CH.sub.3)(CH.sub.2).sub.2--;
[0018] or R.sup.2b and R.sup.3b together represent
--(CH.sub.2).sub.2-- or --(CH.sub.2).sub.3--;
[0019] R.sup.4 is --OH or --NH.sub.2:
[0020] R.sup.5 is (C.sub.1-C.sub.6)alkyl,
--O(C.sub.1-C.sub.4)alkyl, --NR.sup.6R.sup.7, or 5- or 6-membered
heterocycloalkyl, wherein said (C.sub.1-C.sub.6)alkyl is
substituted by --OH, --OP(.dbd.O)(OH).sub.2, --NH.sub.2, or
--NHCO(C.sub.1-C.sub.4)alkyl, wherein the (C.sub.1-C.sub.4)alkyl
group of said --NHCO(C.sub.1-C.sub.4)alkyl is optionally
substituted by --NH.sub.2, and wherein said 5- or 6-membered
heterocycloalkyl is optionally substituted, one or two times
independently, by (C.sub.1-C.sub.4)alkyl, oxo, or an additional 5-
or 6-membered heterocycloalkyl; and
[0021] R.sup.6 and R.sup.7 are each independently H or
(C.sub.1-C.sub.4)alkyl;
[0022] or a salt thereof.
[0023] The compounds according to Formula (I), or salts,
particularly pharmaceutically acceptable salts, thereof, are upon
administration to a host, converted into an inhibitor of RIP2
kinase. This invention is particularly directed to quinazolyl amine
compounds according to Formula (I), or a salt thereof, particularly
a pharmaceutically acceptable salt thereof, or a hydrate thereof,
which, upon administration to a host, are converted into an
inhibitor of RIP2 kinase.
[0024] Accordingly, the present invention is also directed to a
method of inhibiting RIP2 kinase which method comprises
administering to a host a compound according to Formula (I), or a
salt, particularly a pharmaceutically acceptable salt, thereof.
[0025] The invention is further directed to a method of treating a
RIP2 kinase-mediated disease or disorder which comprises
administering a therapeutically effective amount of a compound
according to Formula (I), or a salt, particularly a
pharmaceutically acceptable salt thereof, to a patient (a human or
other mammal, particularly, a human) in need thereof. Examples of
RIP2 kinase-mediated diseases or disorders include uveitis, Crohn's
disease, ulcerative colitis, early-onset and extraintestinal
inflammatory bowel disease and granulomateous disorders, such as
sarcoidosis, Blau syndrome, early-onset sarcoidosis and Wegner's
Granulomatosis.
[0026] The present invention is further directed to a
pharmaceutical composition comprising a compound according to
Formula (I), or a salt, particularly a pharmaceutically acceptable
salt, thereof and a pharmaceutically acceptable excipient.
Particularly, this invention is directed to a pharmaceutical
composition for the treatment of a RIP2 kinase-mediated disease or
disorder, where the composition comprises a compound according to
Formula (I), or a salt, particularly a pharmaceutically acceptable
salt, thereof and a pharmaceutically acceptable excipient.
BRIEF DESCRIPTION OF THE DRAWINGS
[0027] FIG. 1 is a powder x-ray powder diffraction (PXRD) pattern
of a crystalline form of calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate.
[0028] FIG. 2 is a PXRD pattern of a crystalline form of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate hydrochloride monohydrate.
[0029] FIG. 3 shows the combined cytokine response in rat whole
blood samples obtained after pre-dosing rats with the compound
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol, or prednisolone, followed by dosing with L18-MDP.
[0030] FIG. 4 shows the blood profile of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol following oral administration of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate in rat, dog and minipig.
DETAILED DESCRIPTION OF THE INVENTION
[0031] The alternative definitions for the various groups and
substituent groups of Formula (I) provided throughout the
specification are intended to particularly describe each compound
species disclosed herein, individually, as well as groups of one or
more compound species. The scope of this invention includes any
combination of these group and substituent group definitions. The
compounds of the invention are only those which are contemplated to
be "chemically stable" as will be appreciated by those skilled in
the art.
[0032] In addition, it will be appreciated by those skilled in the
art that the compounds of this invention, depending on further
substitution, may exist in other tautomeric forms. All tautomeric
forms of the compounds described herein are intended to be
encompassed within the scope of the present invention. It is to be
understood that any reference to a named compound of this invention
is intended to encompass all tautomers of the named compound and
any mixtures of tautomers of the named compound.
[0033] As used herein, the term "alkyl" represents a saturated,
straight or branched hydrocarbon moiety. Exemplary alkyls include,
but are not limited to methyl (Me), ethyl (Et), n-propyl,
isopropyl, n-butyl, s-butyl, isobutyl, t-butyl and pentyl. The term
"C.sub.1-C.sub.4 alkyl" refers to an alkyl group or moiety
containing from 1 to 4 carbon atoms.
[0034] "5- or 6-Membered heterocycloalkyl" represents a group or
moiety comprising a non-aromatic, monocyclic radical, which is
saturated or partially unsaturated, containing 5 to 6 ring atoms,
which includes 1 to 4 heteroatoms selected from nitrogen, oxygen
and sulfur. Illustrative examples of heterocycloalkyls include, but
are not limited to, pyrrolidyl (or pyrrolidinyl), piperidinyl,
piperazinyl, morpholinyl, tetrahydro-2H-1,4-thiazinyl,
tetrahydrofuryl (or tetrahydrofuranyl), dihydrofuryl, oxazolinyl,
thiazolinyl, pyrazolinyl, tetrahydropyranyl, dihydropyranyl,
1,3-dioxolanyl, 1,3-dioxanyl, 1,4-dioxanyl, 1,3-oxathiolanyl,
1,3-oxathianyl, and 1,3-dithianyl.
[0035] Heterocycloalkyl groups include 5-membered heterocycloalkyl
groups containing one heteroatom selected from nitrogen, oxygen and
sulfur and optionally containing one or two additional nitrogen
atoms, or optionally containing one additional oxygen or sulfur
atom, such as pyrrolidyl (or pyrrolidinyl), tetrahydrofuryl (or
tetrahydrofuranyl), tetrahydrothienyl, dihydrofuryl, oxazolinyl,
thiazolinyl, imidazolinyl, pyrazolinyl, 1,3-dioxolanyl, and
1,3-oxathiolan-2-on-yl.
[0036] Heterocycloalkyl groups are 6-membered heterocycloalkyl
groups containing one heteroatom selected from nitrogen, oxygen and
sulfur and optionally containing one or two additional nitrogen
atoms or one additional oxygen or sulfur atom, such as piperidyl
(or piperidinyl), piperazinyl, morpholinyl, thiomorpholinyl,
1,1dioxoido-thiomorpholin-4-yl, tetrahydropyranyl, dihydropyranyl,
tetrahydro-2H-1,4-thiazinyl, 1,4-dioxanyl, 1,3-oxathianyl, and
1,3-dithianyl.
[0037] It is to be understood that the term heterocycloalkyl is
intended to encompass stable heterocyclic groups where a ring
nitrogen heteroatom is optionally oxidized (e.g., heterocyclic
groups containing an N-oxide) or where a ring sulfur heteroatom is
optionally oxidized (e.g., heterocyclic groups containing sulfones
or sulfoxide moieties, such as tetrahydrothienyl-1-oxide (a
tetrahydrothienyl sulfoxide) or tetrahydrothienyl-1-dioxide (a
tetrahydrothienyl sulfone)).
[0038] "Oxo" represents a double-bonded oxygen moiety; for example,
if attached directly to a carbon atom forms a carbonyl moiety
(C.dbd.O).
[0039] As used herein, the terms "compound(s) of the invention" or
"compound(s) of this invention" mean a compound of Formula (I), as
defined above, in any form, i.e., any salt or non-salt form (e.g.,
as a free acid or base form, or as a salt, particularly a
pharmaceutically acceptable salt thereof) and any physical form
thereof (e.g., including non-solid forms (e.g., liquid or
semi-solid forms), and solid forms (e.g., amorphous or crystalline
forms, specific polymorphic forms, solvate forms, including hydrate
forms (e.g., mono-, di-, tri- and hemi-hydrates)), and mixtures of
various forms (various hydrates of a salt form).
[0040] As used herein, the term "optionally substituted" indicates
that a group (such as an alkyl or heterocycloalkyl group) or ring
or moiety may be unsubstituted, or the group, ring or moiety may be
substituted with one or more substituent(s) as defined. In the case
where groups may be selected from a number of alternative groups,
the selected groups may be the same or different.
[0041] The term "independently" means that where more than one
substituent is selected from a number of possible substituents,
those substituents may be the same or different.
[0042] In addition, it will be appreciated by those skilled in the
art that the compounds of this invention, depending on further
substitution, may exist in other tautomeric forms. All tautomeric
forms of the compounds described herein are intended to be
encompassed within the scope of the present invention. It is to be
understood that any reference to a named compound of this invention
is intended to encompass all tautomers of the named compound and
any mixtures of tautomers of the named compound.
[0043] In one embodiment of the compounds of Formula (I) of this
invention, X is
##STR00004##
and R.sup.1a and R.sup.1b are each independently H,
(C.sub.1-C.sub.4)alkyl, or
--CH.sub.2OCO.sub.2(C.sub.1-C.sub.4)alkyl.
[0044] In another embodiment, X is
##STR00005##
and R.sup.1a and R.sup.1b are each independently H or methyl.
[0045] In another embodiment, X is
##STR00006##
and R.sup.5 is (C.sub.1-C.sub.6)alkyl substituted by --OH.
--OP(.dbd.O)(OH).sub.2, --NH.sub.2, or
--NHCO(C.sub.1-C.sub.4)alkyl, wherein the (C.sub.1-C.sub.4)alkyl
group of said --NHCO(C.sub.1-C.sub.4)alkyl is optionally
substituted by --NH.sub.2.
[0046] In another embodiment, X is
##STR00007##
and R.sup.5 is (C.sub.1-C.sub.6)alkyl substituted by --OH or
--NH.sub.2.
[0047] In another embodiment, X is
##STR00008##
and R.sup.5 is (C.sub.1-C.sub.6)alkyl substituted by
--NH.sub.2.
[0048] In another embodiment, X is
##STR00009##
and R.sup.5 is --CH(NH.sub.2)(C.sub.1-C.sub.4)alkyl.
[0049] In a preferred embodiment, X is
##STR00010##
and R.sup.1a and R.sup.1b are each independently H, or a
pharmaceutically acceptable salt thereof.
[0050] In another preferred embodiment, X is
##STR00011##
and R.sup.1a and R.sup.1b are each independently H, or a
pharmaceutically acceptable salt thereof, or a hydrate thereof.
[0051] In another preferred embodiment, X is
##STR00012##
and R.sup.5 is (C.sub.1-C.sub.4)alkyl substituted by
--NH.sub.2.
[0052] Representative compounds of this invention include: [0053]
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate. [0054]
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate, [0055]
(R)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate, and [0056]
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate,
[0057] or a salt thereof.
[0058] In another embodiment, representative compounds of this
invention include the compounds of Examples 1-7, specifically:
[0059]
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate, [0060]
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate, [0061] calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate, [0062]
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate hydrochloride monohydrate, [0063]
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate, dihydrochloride, [0064]
(R)-2-((4-(benzo[d]thiazol-5-yl
amino)-6-(tert-butylsulfonyl)quinazolin-7-yl)oxy)ethyl
2-amino-3-methylbutanoate, dihydrochloride, and [0065]
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate.
[0066] In another embodiment representative compounds of this
invention include: [0067]
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate, [0068]
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate, and [0069]
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate, dihydrochloride.
[0070] It will be appreciated that the present invention covers
compounds of Formula (I) as the free base or free acid and as salts
thereof, for example as a pharmaceutically acceptable salt thereof.
In one embodiment the invention relates to compounds of Formula (I)
in the form of a free base or free acid. In another embodiment the
invention relates to compounds of Formula (I) or a pharmaceutically
acceptable salt thereof. It will further be appreciated that
compounds of Formula (I) and salts thereof may exist in hydrated
from, such as the monohydrate or the trihydrate.
[0071] In one embodiment, the compound of the invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate as the free acid. In another
embodiment, the compound of the invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a salt thereof. In another
embodiment, the compound of the invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a pharmaceutically acceptable salt
thereof. In another embodiment, the compound of the invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a hydrate thereof. In another
embodiment, the compound of the invention is a pharmaceutically
acceptable salt of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a hydrate thereof. In yet another
embodiment, the compound of the invention is a sodium, calcium or
hydrochloride salt of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate, or a hydrate thereof.
[0072] In a specific embodiment, the compound of the invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate.
[0073] In another specific embodiment, the compound of the
invention is calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate. In a further specific
embodiment, the compound of the invention is calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate having the PXRD of FIG.
1.
[0074] In yet another specific embodiment, the compound of the
invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-y-
l)oxy)ethyl dihydrogen phosphate hydrochloride monohydrate. In yet
a further specific embodiment, the compound of the invention is
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate hydrochloride monohydrate having the
PXRD of FIG. 2.
[0075] In another embodiment the compound of the invention is
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate as the free base. In another
embodiment the compound of the invention is
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate or a salt thereof. In
another embodiment the compound of the invention is
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate or a pharmaceutically
acceptable salt thereof.
[0076] In another embodiment the compound of the invention is
(R)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate as the free base. In another
embodiment the compound of the invention is
(R)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butyl
sulfonyl)quinazolin-7-yl)oxy)ethyl 2-amino-3-methylbutanoate or a
salt thereof. In another embodiment the compound of the invention
is
(R)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate or a pharmaceutically
acceptable salt thereof.
[0077] In a further embodiment the compound of the invention is
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate as the free base. In a
further embodiment the compound of the invention is
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate or a salt thereof. In a
further embodiment the compound of the invention is
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate or a pharmaceutically
acceptable salt thereof.
[0078] Accordingly, a compound of the invention includes a compound
of Formula (I), particularly the specific compounds described
herein, or a salt thereof, particularly a pharmaceutically
acceptable salt thereof. Specifically, a compound of the invention
includes a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, or a hydrate thereof, or a hydrate of a
pharmaceutically acceptable salt of a compound of Formula (I) and
particularly the specific compounds described herein. In one
embodiment, the invention is directed to a method of inhibiting
RIP2 kinase comprising administering to a host a compound of the
invention. In another embodiment, the invention is directed to a
method of treating a RIP2 kinase-mediated disease or disorder
comprising administering a therapeutically effective amount of a
compound of the invention to a human in need thereof.
[0079] This invention is directed to a method of treating a disease
or disorder mediated by inhibition of RIP2 kinase comprising
administering a therapeutically effective amount of a compound of
the invention to a human in need thereof. This invention is
particularly directed to a method of treating a disease or disorder
mediated by inhibition of RIP2 kinase comprising administering a
therapeutically effective amount of the compound according to
Formula (I) or pharmaceutically acceptable salt thereof to a human
in need thereof.
[0080] The invention is still further directed to the use of a
compound of the invention or a pharmaceutical composition
comprising a compound of the invention to inhibit RIP2 kinase
and/or treat a RIP2 kinase-mediated disease or disorder.
[0081] The compounds according to Formula (I) may contain one or
more asymmetric center (also referred to as a chiral center) and
may, therefore, exist as individual enantiomers, diastereomers, or
other stereoisomeric forms, or as mixtures thereof. Where the
stereochemistry of a chiral center present in a compound of this
invention (e.g., compound name) or in any chemical structure
illustrated herein is not specified, the compound, compound name,
or structure is intended to encompass all individual stereoisomers
and all mixtures thereof. Thus, compounds according to Formula (I)
containing one or more chiral center may be present as racemic
mixtures, enantiomerically enriched mixtures, or as
enantiomerically pure individual stereoisomers.
[0082] Individual stereoisomers of a compound according to Formula
(I) which contain one or more asymmetric center may be resolved by
methods known to those skilled in the art. For example, such
resolution may be carried out (1) by formation of diastereoisomeric
salts, complexes or other derivatives; (2) by selective reaction
with a stereoisomer-specific reagent, for example by enzymatic
oxidation or reduction; or (3) by gas-liquid or liquid
chromatography in a chiral environment, for example, on a chiral
support such as silica with a bound chiral ligand or in the
presence of a chiral solvent. The skilled artisan will appreciate
that where the desired stereoisomer is converted into another
chemical entity by one of the separation procedures described
above, a further step is required to liberate the desired form.
Alternatively, specific stereoisomers may be synthesized by
asymmetric synthesis using optically active reagents, substrates,
catalysts or solvents, or by converting one enantiomer to the other
by asymmetric transformation.
[0083] It is to be understood that a solid form of a compound of
the invention may exist in crystalline forms, non-crystalline forms
or a mixture thereof. Such crystalline forms may also exhibit
polymorphism (i.e. the capacity to occur in different crystalline
forms). These different crystalline forms are typically known as
"polymorphs." Polymorphs have the same chemical composition but
differ in packing, geometrical arrangement, and other descriptive
properties of the crystalline solid state. Polymorphs, therefore,
may have different physical properties such as shape, density,
hardness, deformability, stability, and dissolution properties.
Polymorphs typically exhibit different melting points, IR spectra,
and X-ray powder diffraction patterns, which may be used for
identification. One of ordinary skill in the art will appreciate
that different polymorphs may be produced, for example, by changing
or adjusting the conditions used in crystallizing/recrystallizing
the compound.
[0084] When a compound of the invention is a base (contains a basic
moiety), a desired salt form may be prepared by any suitable method
known in the art, including treatment of the free base with an
inorganic acid, such as hydrochloric acid, hydrobromic acid,
sulfuric acid, nitric acid, phosphoric acid, and the like, or with
an organic acid, such as acetic acid, trifluoroacetic acid, maleic
acid, succinic acid, mandelic acid, fumaric acid, malonic acid,
pyruvic acid, oxalic acid, glycolic acid, salicylic acid, and the
like, or with a pyranosidyl acid, such as glucuronic acid or
galacturonic acid, or with an alpha-hydroxy acid, such as citric
acid or tartaric acid, or with an amino acid, such as aspartic acid
or glutamic acid, or with an aromatic acid, such as benzoic acid or
cinnamic acid, or with a sulfonic acid, such as p-toluenesulfonic
acid, methanesulfonic acid, ethanesulfonic acid or the like.
[0085] Suitable addition salts include acetate, p-aminobenzoate,
ascorbate, aspartate, benzenesulfonate, benzoate, bicarbonate,
bismethylenesalicylate, bisulfate, bitartrate, borate, calcium
edetate, camsylate, carbonate, clavulanate, citrate,
cyclohexylsulfamate, edetate, edisylate, estolate, esylate,
ethanedisulfonate, ethanesulfonate, formate, fumarate, gluceptate,
gluconate, glutamate, glycollate, glycollylarsanilate,
hexylresorcinate, hydrabamine, hydrobromide, hydrochloride,
dihydrochloride, hydrofumarate, hydrogen phosphate, hydroiodide,
hydromaleate, hydrosuccinate, hydroxynaphthoate, isethionate,
itaconate, lactate, lactobionate, laurate, malate, maleate,
mandelate, mesylate, methylsulfate, monopotassium maleate, mucate,
napsylate, nitrate. N-methylglucamine, oxalate, oxaloacetate,
pamoate (embonate), palmate, palmitate, pantothenate,
phosphate/diphosphate, pyruvate, polygalacturonate, propionate,
saccharate, salicylate, stearate, subacetate, succinate, sulfate,
tannate, tartrate, teoclate, tosylate, triethiodide,
trifluoroacetate and valerate.
[0086] Other exemplary acid addition salts include pyrosulfate,
sulfite, bisulfite, decanoate, caprylate, acrylate, isobutyrate,
caproate, heptanoate, propiolate, oxalate, malonate, suberate,
sebacate, butyne-1,4-dioate, hexyne-1,6-dioate, chlorobenzoate,
methylbenzoate, dinitrobenzoate, hydroxybenzoate, methoxybenzoate,
phthalate, phenylacetate, phenylpropionate, phenylbutrate, lactate,
.gamma.-hydroxybutyrate, mandelate, and sulfonates, such as
xylenesulfonate, propanesulfonate, naphthalene-1-sulfonate and
naphthalene-2-sulfonate.
[0087] If an inventive basic compound is isolated as a salt, the
corresponding free base form of that compound may be prepared by
any suitable method known to the art, including treatment of the
salt with an inorganic or organic base, suitably an inorganic or
organic base having a higher pK.sub.a than the free base form of
the compound.
[0088] When a compound of the invention is an acid (contains an
acidic moiety), a desired salt may be prepared by any suitable
method known to the art, including treatment of the free acid with
an inorganic or organic base, such as an amine (primary, secondary,
or tertiary), an alkali metal or alkaline earth metal hydroxide, or
the like. Illustrative examples of suitable salts include organic
salts derived from amino acids such as glycine and arginine,
ammonia, primary, secondary, and tertiary amines, and cyclic
amines, such as N-methyl-D-glucamine, diethylamine, isopropylamine,
trimethylamine, ethylene diamine, dicyclohexylamine, ethanolamine,
piperidine, morpholine, and piperazine, as well as inorganic salts
derived from sodium, calcium, potassium, magnesium, manganese,
iron, copper, zinc, aluminum, and lithium.
[0089] Because of their potential use in medicine, the salts of the
compounds of Formula (I) are preferably pharmaceutically acceptable
salts. Suitable pharmaceutically acceptable salts include acid or
base addition salts, such as those described by Berge. Bighley and
Monkhouse J. Pharm. Sci (1977) 66, pp 1-19 and "Pharmaceutical
Salts: Properties, Selection, and Use, 2nd Revised Edition," P. H.
Stahl and C. G. Wermuth (eds.), Wiley, Hoboken, N.J., US (2011).
The term "pharmaceutically acceptable" refers to those compounds,
materials, compositions, and dosage forms which are, within the
scope of sound medical judgment, suitable for use in contact with
the tissues of human beings and animals without excessive toxicity,
irritation, or other problem or complication, commensurate with a
reasonable benefit/risk ratio.
[0090] "Pharmaceutically acceptable salt(s)" refers to a compound
which is suitable for pharmaceutical use. Salt and solvate (e.g.
hydrates and hydrates of salts) forms of the compounds of Formula
(I) which are suitable for use in medicine are those wherein the
counterion or associated solvent is pharmaceutically acceptable.
However, salts and solvates having non-pharmaceutically acceptable
counterions or associated solvents are within the scope of the
present invention, for example, for use as intermediates in the
preparation of other compounds of the invention and their salts and
solvates.
[0091] Examples of pharmaceutically acceptable acid-addition salts
include acetate, adipate, ascorbate, aspartate, benzenesulfonate,
benzoate, camphorate, camphor-sulfonate (camsylate), caprate
(decanoate), caproate (hexanoate), caprylate (octanoate),
carbonate, bicarbonate, cinnamate, citrate, cyclamate,
dodecylsulfate (estolate), ethane-1,2-disulfonate (edisylate),
ethanesulfonate (esylate), formate, fumarate, galactarate (mucate),
gentisate (2,5-dihydroxybenzoate), glucoheptonate (gluceptate),
gluconate, glucuronate, glutamate, glutarate, glycerophosphorate,
glycolate, hippurate, hydrobromide, hydrochloride, hydroiodide,
isobutyrate, lactate, lactobionate, laurate, maleate, malate,
malonate, mandelate, methanesulfonate (mesylate),
naphthalene-1,5-disulfonate (napadisylate), naphthalene-sulfonate
(napsylate), nicotinate, nitrate, oleate, oxalate, palmitate,
pamoate, phosphate, diphosphate, proprionate, pyroglutamate,
salicylate, sebacate, stearate, succinate, sulfate, tartrate,
thiocyanate, tosylate, undecylenate, 1-hydroxy-2-naphthoate,
2,2-dichloroacetate, 2-hydroxyethanesulfonate (isethionate),
2-oxoglutarate, 4-acetamidobenzoate, and 4-aminosalicylate. In one
embodiment the pharmaceutically acceptable acid addition salt is
hydrochloride (e.g., a monohydrochloride or dihydrochloride salt).
Non-pharmaceutically acceptable salts, e.g. trifluoroacetate, may
be used, for example in the isolation of a compound of Formula (I),
and are included within the scope of this invention.
[0092] Examples of pharmaceutically acceptable base-addition salts
include ammonium, lithium, sodium, potassium, calcium, magnesium,
aluminum salts, zinc salts, trimethylamine, triethylamine,
morpholine, pyridine, piperidine, picoline, dicyclohexylamine,
N,N'-dibenzylethylenediamine, 2-hydroxyethylamine,
bis-(2-hydroxyethyl)amine, tri-(2-hydroxyethyl)amine, procaine,
dibenzylpiperidine, dehydroabietylamine, glucamine,
N-methylglucamine, collidine, quinine, quinoline, lysine and
arginine. In one embodiment the pharmaceutically acceptable
base-addition salt is sodium or calcium. In another embodiment the
pharmaceutically acceptable base-addition salt is sodium. In
another embodiment the pharmaceutically acceptable base-addition
salt is calcium.
[0093] Certain of the compounds of the invention may form salts
with one or more equivalents of an acid (if the compound contains a
basic moiety) or a base (if the compound contains an acidic
moiety). The present invention includes within its scope all
possible stoichiometric and non-stoichiometric salt forms.
[0094] Compounds of the invention having both a basic and acidic
moiety may be in the form of zwitterions, acid-addition salt of the
basic moiety or base salts of the acidic moiety.
[0095] This invention also provides for the conversion of one
pharmaceutically acceptable salt of a compound of this invention
into another pharmaceutically acceptable salt of a compound of this
invention.
[0096] If an inventive basic compound is isolated as a salt, the
corresponding free acid or free base form of that compound may be
prepared by any suitable method known to the art.
[0097] For solvates of the compounds of Formula (I), including
solvates of salts of the compounds of Formula (I), that are in
crystalline form, the skilled artisan will appreciate that
pharmaceutically acceptable solvates may be formed wherein solvent
molecules are incorporated into the crystalline lattice during
crystallization. Solvates may involve nonaqueous solvents such as
ethanol, isopropanol, DMSO, acetic acid, ethanolamine, and EtOAc,
or they may involve water as the solvent that is incorporated into
the crystalline lattice. Solvates wherein water is the solvent that
is incorporated into the crystalline lattice are typically referred
to as "hydrates." Hydrates include stoichiometric hydrates as well
as compositions containing variable amounts of water. The invention
includes all such solvates, particularly hydrates, for example the
monohydrate or trihydrate. Accordingly, a compound of this
invention includes a compound of Formula (I), or a salt thereof,
particularly a pharmaceutically acceptable salt thereof, or a
hydrate thereof, a hydrate of a pharmaceutically acceptable salt of
a compound of Formula (I) and particularly includes each compound
described in the Examples. Thus the invention provides a compound
of Formula (I) or a salt thereof, especially a pharmaceutically
acceptable salt thereof, as a solvate, particularly as a hydrate,
such as a monohydrate or trihydrate.
[0098] Because the compounds of Formula (I) are intended for use in
pharmaceutical compositions it will readily be understood that they
are each preferably provided in substantially pure form, for
example at least 60% pure, more suitably at least 75% pure and
preferably at least 85%, especially at least 98% pure (% are on a
weight for weight basis). Impure preparations of the compounds may
be used for preparing the more pure forms used in the
pharmaceutical compositions.
[0099] The compounds of the invention may be particularly useful
for treatment of RIP2 kinase-mediated diseases or disorders,
particularly diseases or disorders mediated by inhibition of RIP2
kinase, such as uveitis, interleukin-1 converting enzyme (ICE, also
known as Caspase-1) associated fever syndrome (ICE fever),
dermatitis, acute lung injury, type 2 diabetes mellitus, arthritis
(specifically rheumatoid arthritis), inflammatory bowel disorders
(such as ulcerative colitis and Crohn's disease), early-onset
inflammatory bowel disease, extraintestinal inflammatory bowel
disease, prevention of ischemia reperfusion injury in solid organs
(specifically kidney) in response ischemia induced by cardiac
surgery, organ transplant, sepsis and other insults, liver diseases
(non-alcohol steatohepatitis, alcohol steatohepatitis, and
autoimmune hepatitis), allergic diseases (such as asthma),
transplant reactions (such as graft versus host disease),
autoimmune diseases (such as systemic lupus erythematosus, and
multiple sclerosis), and granulomateous disorders (such as
sarcoidosis, Blau syndrome, early-onset sarcoidosis, Wegner's
granulomatosis, and interstitial pulmonary disease).
[0100] The compounds of this invention may be particularly useful
in the treatment of uveitis, ICE fever, Blau Syndrome, early-onset
sarcoidosis, ulcerative colitis. Crohn's disease, Wegener's
granulamatosis and sarcoidosis.
[0101] In one embodiment the invention is directed to a method of
treating uveitis comprising administering a therapeutically
effective amount of the compound according to Formula (I) or a
pharmaceutically acceptable salt thereof, to a human in need
thereof. In another embodiment the invention is directed to a
method of treating interleukin-1 converting enzyme associated fever
syndrome comprising administering a therapeutically effective
amount of the compound according to Formula (I) or a
pharmaceutically acceptable salt thereof, to a human in need
thereof. In another embodiment the invention is directed to a
method of treating Blau syndrome comprising administering a
therapeutically effective amount of the compound according to
Formula (I) or a pharmaceutically acceptable salt thereof, to a
human in need thereof. In another embodiment the invention is
directed to a method of treating early-onset sarcoidosis comprising
administering a therapeutically effective amount of the compound
according to Formula (I) or a pharmaceutically acceptable salt
thereof, to a human in need thereof. In another embodiment the
invention is directed to a method of treating ulcerative colitis
comprising administering a therapeutically effective amount of the
compound according to Formula (I) or a pharmaceutically acceptable
salt thereof, to a human in need thereof. In another embodiment the
invention is directed to a method of treating Crohn's disease
comprising administering a therapeutically effective amount of the
compound according to Formula (I) or a pharmaceutically acceptable
salt thereof, to a human in need thereof. In another embodiment the
invention is directed to a method of treating Wegner's
Granulomatosis comprising administering a therapeutically effective
amount of the compound according to Formula (I) or a
pharmaceutically acceptable salt thereof, to a human in need
thereof. In a further embodiment the invention is directed to a
method of treating sarcoidosis comprising administering a
therapeutically effective amount of the compound according to
Formula (I) or a pharmaceutically acceptable salt thereof, to a
human in need thereof.
[0102] Treatment of RIP2 kinase-mediated diseases or disorders, or
more broadly, treatment of immune mediated diseases including, but
not limited to, allergic diseases, autoimmune diseases, prevention
of transplant rejection and the like, may be achieved using a
compound of this invention as a monotherapy, or in dual or multiple
combination therapy, particularly for the treatment of refractory
cases, such as in combination with other anti-inflammatory and/or
anti-TNF agents, which may be administered in therapeutically
effective amounts as is known in the art.
[0103] The compounds of Formula (I) and pharmaceutically acceptable
salts thereof may be employed alone or in combination with other
therapeutic agents. Combination therapies according to the present
invention thus comprise the administration of at least one compound
of Formula (I) or a pharmaceutically acceptable salt thereof, and
the use of at least one other therapeutically active agent.
Preferably, combination therapies according to the present
invention comprise the administration of at least one compound of
Formula (I) or a pharmaceutically acceptable salt thereof, and at
least one other therapeutically active agent. The compound(s) of
Formula (I) and pharmaceutically acceptable salts thereof, and the
other therapeutically active agent(s) may be administered together
in a single pharmaceutical composition or separately and, when
administered separately this may occur simultaneously or
sequentially in any order. The amounts of the compound(s) of
Formula (I) and pharmaceutically acceptable salts thereof, and the
other therapeutically active agent(s) and the relative timings of
administration will be selected in order to achieve the desired
combined therapeutic effect. Thus in a further aspect, there is
provided a combination comprising a compound of Formula (I) or a
pharmaceutically acceptable salt thereof, together with one or more
other therapeutically active agents.
[0104] Thus in one aspect, the compound of Formula (I) or a
pharmaceutically acceptable salt thereof, and pharmaceutical
compositions comprising a compound of formula (I) or a
pharmaceutically acceptable salt thereof, according to the
invention may be used in combination with or include one or more
other therapeutic agents, for example an anti-inflammatory agent
and/or an anti-TNF agent.
[0105] The compounds of this invention may be administered in
combination with corticosteroids and/or anti-TNF agents to treat
Blau syndrome, early-onset sarcoidosis; or in combination with
anti-TNF biologics or other anti-inflammatory biologics to treat
Crohn's Disease; or in combination with 5-ASA (mesalamine) or
sulfasalazine to treat ulcerative colitis; or in combination with
low-dose corticosteroids and/or methotrexate to treat Wegener's
granulamatosis or sarcoidosis or interstitial pulmonary disease; or
in combination with a biologic (e.g. anti-TNF, anti-IL-6, etc.) to
treat rheumatoid arthritis; or in combination with anti-IL6 and/or
methotrexate to treat ICE fever.
[0106] Examples of suitable anti-inflammatory agents include
5-aminosalicyclic acid and mesalamine preparations, sulfasalazine,
hydroxycloroquine, thiopurines (azathioprin, mercaptopurin),
methotrexate, cyclophosphamide, cyclosporine, JAK inhibitors
(tofacitinib), corticosteroids, particularly low-dose
corticosteroids (such as prednisone (Deltasone.RTM.) and
bundesonide) and anti-inflammatory biologics such as anti-IL6R mAbs
(Actemra.RTM. (tocilizumab)), anti-IL6 biologics, anti-IL1 or IL12
or IL23 biologics (ustekinumab (Stelara.RTM.)), anti-integrin
agents (natalizumab (Tysabri.RTM.), anti-CD20 mAbs (rituximab
(Rituxan.RTM.) and ofatumumab (Arzerra.RTM.)), and other agents,
such as abatacept (Orencia.RTM.), anakinra (Kineret.RTM.), and
belimumab (Benlysta.RTM.), CD4 biologics and other cytokine
inhibitors or biologics to T-cell or B-cell receptors or
interleukins. Examples of suitable anti-TNF agents include the
anti-TNF biologics such as Enbrel.RTM. (etanecerpt), Humira.RTM.
(adalimumab), Remicade.RTM. (infliximab), Cimzia.RTM.
(certolizumab), and Simponi.RTM.(golimumab).
[0107] This invention provides a compound of the invention for use
in therapy. This invention also provides a compound of Formula (I),
or a pharmaceutically acceptable salt thereof, for use in therapy.
Specifically, this invention provides the compounds described
herein for use in therapy.
[0108] In another embodiment, this invention provides a compound of
the invention for use in the treatment of a disease or disorder
mediated by inhibition of RIP2 kinase. In another embodiment, this
invention provides a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, for use in the treatment of a disease or
disorder mediated by inhibition of RIP2 kinase. Specifically, this
invention provides the compounds described herein for use in the
treatment of a disease or disorder mediated by inhibition of RIP2
kinase. In another embodiment this invention provides a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, for use
in the treatment of uveitis, interleukin-1 converting enzyme
associated fever syndrome, dermatitis, acute lung injury, type 2
diabetes mellitus, arthritis, rheumatoid arthritis, ulcerative
colitis, Crohn's disease, early-onset inflammatory bowel disease,
extraintestinal inflammatory bowel disease, prevention of ischemia
reperfusion injury in solid organ transplant, non-alcohol
steatohepatitis, alcohol steatohepatitis, autoimmune hepatitis,
asthma, graft versus host disease, systemic lupus erythematosus,
multiple sclerosis, sarcoidosis, Blau syndrome/early-onset
sarcoidosis, Wegner's granulomatosis or interstitial pulmonary
disease. In another embodiment this invention provides a compound
of Formula (I), or a pharmaceutically acceptable salt thereof, for
use in the treatment of uveitis. In another embodiment this
invention provides a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, for use in the treatment of interleukin-1
converting enzyme associated fever syndrome. In another embodiment
this invention provides a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, for use in the treatment
of Blau syndrome. In another embodiment this invention provides a
compound of Formula (I), or a pharmaceutically acceptable salt
thereof, for use in the treatment of early-onset sarcoidosis. In
another embodiment this invention provides a compound of Formula
(I), or a pharmaceutically acceptable salt thereof, for use in the
treatment of ulcerative colitis. In another embodiment this
invention provides a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, for use in the treatment of Crohn's
disease. In another embodiment this invention provides a compound
of Formula (I), or a pharmaceutically acceptable salt thereof, for
use in the treatment of early-onset inflammatory bowel disease. In
another embodiment this invention provides a compound of Formula
(I), or a pharmaceutically acceptable salt thereof, for use in the
treatment of extraintestinal inflammatory bowel disease. In another
embodiment this invention provides a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, for use in the treatment
of Wegner's Granulomatosis. In another embodiment this invention
provides a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, for use in the treatment of
sarcoidosis.
[0109] This invention specifically provides for the use of a
compound of Formula (I), or a pharmaceutically acceptable salt
thereof, as an active therapeutic substance in the treatment of a
RIP2 kinase-mediated disease or disorder, for example the diseases
and disorders recited herein. More specifically, this invention
provides for the use of a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, for the treatment of a
disease or disorder mediated by inhibition of RIP2 kinase. This
invention specifically provides for the use of the compounds
described herein for the treatment of a disease or disorder
mediated by inhibition of RIP2 kinase. Accordingly, the invention
provides for the use of a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, as an active therapeutic
substance in the treatment of a human in need thereof with a
disease mediated by inhibition of RIP2 kinase.
[0110] The invention also provides for the use of a compound of
Formula (I), or a pharmaceutically acceptable salt thereof, in the
manufacture of a medicament for use in the treatment of a RIP2
kinase-mediated disease or disorder, for example the diseases and
disorders recited herein. More specifically, this invention
provides for the use of a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, in the manufacture of a
medicament for the treatment of a disease or disorder mediated by
inhibition of RIP2 kinase. Accordingly, the invention provides for
the use of a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, in the manufacture of a medicament for use
in the treatment of a human in need thereof with a disease or
disorder mediated by inhibition of RIP2 kinase. In one embodiment
this invention provides for the use of a compound of Formula (I),
or a pharmaceutically acceptable salt thereof, in the manufacture
of a medicament for use in the treatment of uveitis, interleukin-1
converting enzyme associated fever syndrome, dermatitis, acute lung
injury, type 2 diabetes mellitus, arthritis, rheumatoid arthritis,
ulcerative colitis, Crohn's disease, early-onset inflammatory bowel
disease, extraintestinal inflammatory bowel disease, prevention of
ischemia reperfusion injury in solid organ transplant, non-alcohol
steatohepatitis, alcohol steatohepatitis, autoimmune hepatitis,
asthma, graft versus host disease, systemic lupus erythematosus,
multiple sclerosis, sarcoidosis, Blau syndrome/early-onset
sarcoidosis, Wegner's granulomatosis or interstitial pulmonary
disease. In another embodiment this invention provides for the use
of a compound of Formula (I), or a pharmaceutically acceptable salt
thereof, in the manufacture of a medicament for use in the
treatment of uveitis. In another embodiment this invention provides
for the use of a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, in the manufacture of a medicament for use
in the treatment of interleukin-1 converting enzyme associated
fever syndrome. In another embodiment this invention provides for
the use of a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, in the manufacture of a medicament for use
in the treatment of early-onset sarcoidosis. In another embodiment
this invention provides for the use of a compound of Formula (I),
or a pharmaceutically acceptable salt thereof, in the manufacture
of a medicament for use in the treatment of ulcerative colitis. In
another embodiment this invention provides for the use of a
compound of Formula (I), or a pharmaceutically acceptable salt
thereof, in the manufacture of a medicament for use in the
treatment of Crohn's disease. In another embodiment this invention
provides for the use of a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, in the manufacture of a
medicament for use in the treatment of Wegner's Granulomatosis. In
another embodiment this invention provides for the use of a
compound of Formula (I), or a pharmaceutically acceptable salt
thereof, in the manufacture of a medicament for use in the
treatment of sarcoidosis. In another embodiment this invention
provides for the use of a compound of Formula (I), or a
pharmaceutically acceptable salt thereof, in the manufacture of a
medicament for use in the treatment of early-onset inflammatory
bowel disease. In another embodiment this invention provides for
the use of a compound of Formula (I), or a pharmaceutically
acceptable salt thereof, in the manufacture of a medicament for use
in the treatment of extraintestinal inflammatory bowel disease. In
a further embodiment this invention provides for the use of a
compound of Formula (I), or a pharmaceutically acceptable salt
thereof, in the manufacture of a medicament for use in the
treatment of Blau syndrome.
[0111] A therapeutically "effective amount" is intended to mean
that amount of a compound that, when administered to a patient in
need of such treatment, is sufficient to effect treatment, as
defined herein. Thus, e.g., a therapeutically effective amount of a
compound of Formula (I), or a pharmaceutically acceptable salt
thereof, or hydrate thereof, is a quantity of an inventive agent
that, when administered to a human in need thereof, is sufficient
to modulate or inhibit the activity of RIP2 kinase such that a
disease condition which is mediated by that activity is reduced,
alleviated or prevented. The amount of a given compound that will
correspond to such an amount will vary depending upon factors such
as the particular compound (e.g., the potency (pIC.sub.50),
efficacy (EC.sub.50), and the biological half-life of the
particular compound), disease condition and its severity, the
identity (e.g., age, size and weight) of the patient in need of
treatment, but can nevertheless be routinely determined by one
skilled in the art. Likewise, the duration of treatment and the
time period of administration (time period between dosages and the
timing of the dosages, e.g., before/with/after meals) of the
compound will vary according to the identity of the mammal in need
of treatment (e.g., weight), the particular compound and its
properties (e.g., pharmaceutical characteristics), disease or
disorder and its severity and the specific composition and method
being used, but can nevertheless be determined by one of skill in
the art.
[0112] "Treating" or "treatment" is intended to mean at least the
mitigation of a disease or disorder in a patient. The methods of
treatment for mitigation of a disease or disorder include the use
of the compounds in this invention in any conventionally acceptable
manner, for example for prevention, retardation, prophylaxis,
therapy or cure of a mediated disease or disorder. Specific
diseases and disorders that may be particularly susceptible to
treatment using a compound of this invention are described
herein.
[0113] The compounds of the invention may be administered by any
suitable route of administration, including both systemic
administration and topical administration. Systemic administration
includes oral administration, parenteral administration,
transdermal administration, rectal administration, and
administration by inhalation. Parenteral administration refers to
routes of administration other than enteral, transdermal, or by
inhalation, and is typically by injection or infusion. Parenteral
administration includes intravenous, intramuscular, and
subcutaneous injection or infusion. Inhalation refers to
administration into the patient's lungs whether inhaled through the
mouth or through the nasal passages. Topical administration
includes application to the skin.
[0114] The compounds of the invention may be administered once or
according to a dosing regimen wherein a number of doses are
administered at varying intervals of time for a given period of
time. For example, doses may be administered one, two, three, or
four times per day. Doses may be administered until the desired
therapeutic effect is achieved or indefinitely to maintain the
desired therapeutic effect. Suitable dosing regimens for a compound
of the invention depend on the pharmacokinetic properties of that
compound, such as absorption, distribution, and half-life, which
can be determined by the skilled artisan. In addition, suitable
dosing regimens, including the duration such regimens are
administered, for a compound of the invention depend on the disease
or disorder being treated, the severity of the disease or disorder
being treated, the age and physical condition of the patient being
treated, the medical history of the patient to be treated, the
nature of concurrent therapy, the desired therapeutic effect, and
like factors within the knowledge and expertise of the skilled
artisan. It will be further understood by such skilled artisans
that suitable dosing regimens may require adjustment given an
individual patient's response to the dosing regimen or over time as
individual patient needs change.
[0115] For use in therapy, the compounds of the invention will be
normally, but not necessarily, formulated into a pharmaceutical
composition prior to administration to a patient. Accordingly, the
invention also is directed to pharmaceutical compositions
comprising a compound of the invention and one or more
pharmaceutically acceptable excipients.
[0116] In one embodiment there is provided a pharmaceutical
composition comprising
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate as the free acid and one or more
pharmaceutically acceptable excipients. In another embodiment,
there is provided a pharmaceutical composition comprising
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a pharmaceutically acceptable salt
thereof and one or more pharmaceutically acceptable excipients. In
another embodiment, there is provided a pharmaceutical composition
comprising
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a hydrate thereof and one or more
pharmaceutically acceptable excipients. In another embodiment,
there is provided a pharmaceutical composition comprising a
pharmaceutically acceptable salt of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or a hydrate thereof and one or more
pharmaceutically acceptable excipients. In yet another embodiment,
there is provided a pharmaceutical composition comprising a sodium,
calcium or hydrochloride salt of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate, or a hydrate thereof and one or more
pharmaceutically acceptable excipients.
[0117] In a specific embodiment, there is provided a pharmaceutical
composition comprising
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate and one or more pharmaceutically
acceptable excipients.
[0118] In another specific embodiment, there is provided a
pharmaceutical composition comprising calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate and one or more
pharmaceutically acceptable excipients. In a further specific
embodiment, there is provided a pharmaceutical composition
comprising calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate having the PXRD of FIG. 1
and one or more pharmaceutically acceptable excipients.
[0119] In yet another specific embodiment, there is provided a
pharmaceutical composition comprising
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate hydrochloride monohydrate and one or
more pharmaceutically acceptable excipients. In yet a further
specific embodiment, there is provided a pharmaceutical composition
comprising
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate hydrochloride monohydrate having the
PXRD of FIG. 2 and one or more pharmaceutically acceptable
excipients.
[0120] In another embodiment there is provided a pharmaceutical
composition comprising
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate as the free base and one or
more pharmaceutically acceptable excipients. In another embodiment
there is provided a pharmaceutical composition comprising
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate or a pharmaceutically
acceptable salt thereof and one or more pharmaceutically acceptable
excipients.
[0121] In another embodiment there is provided a pharmaceutical
composition comprising
(R)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate as the free base and one or
more pharmaceutically acceptable excipients. In another embodiment
there is provided a pharmaceutical composition comprising
(R)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate or a pharmaceutically
acceptable salt thereof and one or more pharmaceutically acceptable
excipients.
[0122] In a further embodiment there is provided a pharmaceutical
composition comprising
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate as the free base and
one or more pharmaceutically acceptable excipients. In a further
embodiment there is provided a pharmaceutical composition
comprising
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate or a pharmaceutically
acceptable salt thereof and one or more pharmaceutically acceptable
excipients.
[0123] The pharmaceutical compositions of the invention may be
prepared and packaged in bulk form wherein an effective amount of a
compound of the invention can be extracted and then given to the
patient such as with powders, syrups, and solutions for injection.
Alternatively, the pharmaceutical compositions of the invention may
be prepared and packaged in unit dosage form. For oral application,
for example, one or more tablets or capsules may be administered. A
dose of the pharmaceutical composition contains at least a
therapeutically effective amount of a compound of this invention
(i.e., a compound of Formula (I), or a salt, particularly a
pharmaceutically acceptable salt, thereof). When prepared in unit
dosage form, the pharmaceutical compositions may contain from 1 mg
to 1000 mg of a compound of this invention.
[0124] As provided herein, unit dosage forms (pharmaceutical
compositions) containing from 1 mg to 1000 mg of a compound of the
invention may be administered one, two, three, or four times per
day, preferably one, two, or three times per day, and more
preferably, one or two times per day, to effect treatment of a RIP2
mediated disease or disorder. The pharmaceutical compositions of
the invention typically contain one compound of the invention.
However, in certain embodiments, the pharmaceutical compositions of
the invention contain more than one compound of the invention. In
addition, the pharmaceutical compositions of the invention may
optionally further comprise one or more additional pharmaceutically
active compounds.
[0125] As used herein, "pharmaceutically acceptable excipient"
means a material, composition or vehicle involved in giving form or
consistency to the composition. Each excipient must be compatible
with the other ingredients of the pharmaceutical composition when
commingled such that interactions which would substantially reduce
the efficacy of the compound of the invention when administered to
a patient and interactions which would result in pharmaceutical
compositions that are not pharmaceutically acceptable are avoided.
In addition, each excipient must of course be of sufficiently high
purity to render it pharmaceutically acceptable.
[0126] The compounds of the invention and the pharmaceutically
acceptable excipient or excipients will typically be formulated
into a dosage form adapted for administration to the patient by the
desired route of administration. Conventional dosage forms include
those adapted for (1) oral administration such as tablets,
capsules, caplets, pills, troches, powders, syrups, elixirs,
suspensions, solutions, emulsions, sachets, and cachets; (2)
parenteral administration such as sterile solutions, suspensions,
and powders for reconstitution; (3) transdermal administration such
as transdermal patches; (4) rectal administration such as
suppositories; (5) inhalation such as aerosols and solutions; and
(6) topical administration such as creams, ointments, lotions,
solutions, pastes, sprays, foams, and gels.
[0127] Suitable pharmaceutically acceptable excipients will vary
depending upon the particular dosage form chosen. In addition,
suitable pharmaceutically acceptable excipients may be chosen for a
particular function that they may serve in the composition. For
example, certain pharmaceutically acceptable excipients may be
chosen for their ability to facilitate the production of uniform
dosage forms. Certain pharmaceutically acceptable excipients may be
chosen for their ability to facilitate the production of stable
dosage forms. Certain pharmaceutically acceptable excipients may be
chosen for their ability to facilitate the carrying or transporting
the compound or compounds of the invention once administered to the
patient from one organ, or portion of the body, to another organ,
or portion of the body. Certain pharmaceutically acceptable
excipients may be chosen for their ability to enhance patient
compliance.
[0128] Suitable pharmaceutically acceptable excipients include the
following types of excipients: diluents, fillers, binders,
disintegrants, lubricants, glidants, granulating agents, coating
agents, wetting agents, solvents, co-solvents, suspending agents,
emulsifiers, sweeteners, flavoring agents, flavor masking agents,
coloring agents, anti-caking agents, humectants, chelating agents,
plasticizers, viscosity increasing agents, antioxidants,
preservatives, stabilizers, surfactants, and buffering agents. The
skilled artisan will appreciate that certain pharmaceutically
acceptable excipients may serve more than one function and may
serve alternative functions depending on how much of the excipient
is present in the formulation and what other ingredients are
present in the formulation.
[0129] Skilled artisans possess the knowledge and skill in the art
to enable them to select suitable pharmaceutically acceptable
excipients in appropriate amounts for use in the invention. In
addition, there are a number of resources that are available to the
skilled artisan which describe pharmaceutically acceptable
excipients and may be useful in selecting suitable pharmaceutically
acceptable excipients. Examples include Remington's Pharmaceutical
Sciences (Mack Publishing Company), The Handbook of Pharmaceutical
Additives (Gower Publishing Limited), and The Handbook of
Pharmaceutical Excipients (the American Pharmaceutical Association
and the Pharmaceutical Press).
[0130] The pharmaceutical compositions of the invention are
prepared using techniques and methods known to those skilled in the
art. Some of the methods commonly used in the art are described in
Remington's Pharmaceutical Sciences (Mack Publishing Company).
[0131] In one aspect, the invention is directed to a solid oral
dosage form such as a tablet or capsule comprising an effective
amount of a compound of the invention and a diluent or filler.
Suitable diluents and fillers include lactose, sucrose, dextrose,
mannitol, sorbitol, starch (e.g. corn starch, potato starch, and
pre-gelatinized starch), cellulose and its derivatives (e.g.
microcrystalline cellulose), calcium sulfate, and dibasic calcium
phosphate. The oral solid dosage form may further comprise a
binder. Suitable binders include starch (e.g. corn starch, potato
starch, and pre-gelatinized starch), gelatin, acacia, sodium
alginate, alginic acid, tragacanth, guar gum, povidone, and
cellulose and its derivatives (e.g. microcrystalline cellulose).
The oral solid dosage form may further comprise a disintegrant.
Suitable disintegrants include crospovidone, sodium starch
glycolate, croscarmellose, alginic acid, and sodium carboxymethyl
cellulose. The oral solid dosage form may further comprise a
lubricant. Suitable lubricants include stearic acid, magnesium
stearate, calcium stearate, and talc.
EXAMPLES
[0132] The following examples illustrate the invention. These
examples are not intended to limit the scope of the present
invention, but rather to provide guidance to the skilled artisan to
prepare and use the compounds, compositions, and methods of the
present invention. While particular embodiments of the present
invention are described, the skilled artisan will appreciate that
various changes and modifications can be made without departing
from the spirit and scope of the invention.
[0133] Names for the intermediate and final compounds described
herein were generated using the software naming program ACD/Name
Pro V6.02 available from Advanced Chemistry Development, Inc., 110
Yonge Street, 14.sup.th Floor, Toronto, Ontario, Canada, M5C 1T4
(http://www.acdlabs.com/) or the naming program in ChemDraw,
Struct=Name Pro 12.0, as part of ChemBioDraw Ultra, available from
CambridgeSoft. 100 CambridgePark Drive, Cambridge, Mass. 02140 USA
(www.cambridgesoft.com). It will be appreciated by those skilled in
the art that in certain instances this program will name a
structurally depicted compound as a tautomer of that compound. It
is to be understood that any reference to a named compound or a
structurally depicted compound is intended to encompass all
tautomers of such compounds and any mixtures of tautomers
thereof.
[0134] In the following experimental descriptions, the following
abbreviations may be used:
TABLE-US-00001 Abbreviation Meaning AcOH acetic acid aq aqueous
brine saturated aqueous sodium chloride CH.sub.2Cl.sub.2 or DCM
methylene chloride CH.sub.3CN or MeCN acetonitrile CH.sub.3NH.sub.2
methylamine d day DCE 1,2-dichloroethane DMAP
4-dimethylaminopyridine DMF N,N-dimethylformamide DMSO
dimethylsulfoxide EDC 1-ethyl-3-(3-dimethylaminopropyl)
carbodiimide equiv equivalents Et ethyl Et.sub.3N or TEA
triethylamine Et.sub.2O diethyl ether EtOAc ethyl acetate h, hr(s)
hour(s) HATU O-(7-Azabenzotriazol-1yl)-N,N,N',N'-
tetramethylyronium hexafluorophosphate HCl hydrochloric acid ICl
iodine monochloride i-Pr.sub.2NEt N',N'-diisopropylethylamine
KOt-Bu potassium tert-butoxide LCMS liquid chromatography-mass
spectroscopy LiHDMS lithium hexamethyldisilazide Me methyl MeOH or
CH.sub.3OH methanol MgSO.sub.4 magnesium sulfate min minute(s) MS
mass spectrum .mu.w microwave Na.sub.2CO.sub.3 sodium carbonate
NaHCO.sub.3 sodium bicarbonate NaOH sodium hydroxide
Na.sub.2SO.sub.4 sodium sulfate N.sub.2H.sub.2 hydrazine NH.sub.4Cl
ammonium chloride NiCl.sub.2.cndot.6H.sub.2O nickel (II) chloride
hexahydrate NMP N-methyl-2-pyrrolidone Ph phenyl POCl.sub.3
phosphoryl chloride rt room temperature satd. saturated SPE solid
phase extraction TFA trifluoroacetic acid THF tetrahydrofuran
t.sub.R retention time
Preparation 1
N-(6-(tert-Butylthio)-7-methoxyquinazolin-4-yl)benzo[d]thiazol-5-amine
##STR00013##
[0136] Step 1. Methyl 2-amino-4-methoxybenzoate: To a solution of
2-amino-4-(methyloxy) benzoic acid (5 g, 30 mmol) in MeOH (30 mL)
and toluene (60 mL) was added trimethylsilyldiazomethane (30 mL, 60
mmol). The reaction mixture was stirred at 0.degree. C. for 1 h.
The reaction mixture was allowed to warm to rt and solvent was
removed in vacuo. The crude material was purified by column
chromatography (0 to 15% EtOAc/hexanes) to provide 4.2 g of the
title compound (74%). MS: m/z: 182 [M+H].sup.+.
[0137] Step 2. Methyl 2-amino-5-iodo-4-methoxybenzoate: Methyl
2-amino-4-(methyloxy) benzoate (3.78 g, 20.86 mmol) was dissolved
in 25 mL of water, 15 mL of ethanol and 2.2 mL of concentrated HCl.
A solution of ICl (1.1 mL, 21.9 mmol) in 3.8 mL concentrated HCl
and 14 mL of water at 5.degree. C. was added to the aniline
solution. The reaction was stirred overnight and was then filtered
to obtain 6.9 g of a light brown solid. MS: m/z: 308
[M+H].sup.+
[0138] Step 3. 6-iodo-7-methoxyquinazolin-4(1H)-one: A solution of
methyl 2-amino-5-iodo-4-(methyloxy)benzoate (2 g, 6.5 mmol) and
imidoformamide (2.0 g, 19.5 mmol) in 2-methoxyethanol (15 mL) was
stirred at 125.degree. C. for 6 h. The solvent was removed in
vacuo, and the residue was suspended in water and the solid was
collected by filtration, washed with water and dried under vacuum
(50.degree. C.) to afford 2.1 g of the title compound (96% pure).
MS: m/z: 303 [M+H].sup.+.
[0139] Step 4. 4-chloro-6-iodo-7-(methyloxy)quinazoline:
6-Iodo-7-(methyloxy)-4(1H)-quinazolinone (2.0 g, 6.6 mmol),
POCl.sub.3 (3.1 mL, 33.1 mmol) and DIPEA (6.9 mL, 40 mmol) were
combined in DCE (50 mL) in a round bottom flask. The reaction
mixture was heated at 80.degree. C. for 5 h, followed by heating at
70.degree. C. overnight. The reaction mixture was allowed to cool
to rt. A yellow solid was precipitated out. The solid was filtered.
The solution was concentrated and neutralized with satd.
NaHCO.sub.3, extracted with CH.sub.2Cl.sub.2 and dried over
Na.sub.2SO.sub.4. The mixture was filtered, and the solvent was
removed in vacuo. Solid portions were combined to obtain 2.0 g of
the title compound (88%, 93% pure)). MS: m/z: 321 [M+H].sup.+.
[0140] Step 5.
N-1,3-benzothiazol-5-yl-6-iodo-7-(methyloxy)-4-quinazolinamine: To
a solution of 4-chloro-6-iodo-7-(methyloxy)quinazoline (2.0 g, 5.4
mmol) in 1-propanol (30 mL) was added 1,3-benzothiazol-5-amine (1.2
g, 8.1 mmol). The suspension was heated in oil bath at 90.degree.
C. (preheated). The reaction mixture was stirred at this
temperature for 30 min. A yellow solid precipitated out as the
reaction mixture was allowed to cool to rt. The solid was filtered,
washed with toluene and dried to provide 1.3 g of the title
compound (55.2%, 99% pure). MS: m/z: 435 [M+H].sup.+.
[0141] Step 6.
N-(6-(tert-butylthio)-7-methoxyquinazolin-4-yl)benzo[d]thiazol-5-amine:
To a solution of
N-1,3-benzothiazol-5-yl-6-iodo-7-(methyloxy)-4-quinazolinamine (2.1
g, 4.5 mmol), 2-methyl-2-propanethiol (483 mg, 5.35 mmol),
Et.sub.3N (1.9 mL, 13.4 mmol) in DMF (5 mL) was added
Pd(Ph.sub.3P).sub.4 (516 mg, 0.45 mmol). The reaction mixture was
stirred at 90-100.degree. C. for 1 h. Most of DMF was removed in
vacuo. The crude material was triturated with MeOH. The red solid
was filtered and washed with Et.sub.2O to provide 1.7 g of the
title compound as an off white solid (92%, 96% pure). MS: m/z: 397
[M+H].sup.+.
Preparation 2
N-(6-(tert-Butylsulfonyl)-7-methoxy quinazolin-4-yl
1)benzo[d]thiazol-5-amine
##STR00014##
[0143] To a solution of
N-(6-(tert-butylthio)-7-methoxyquinazolin-4-yl)benzo[d]thiazol-5-amine
(1.0 g, 2.5 mmol) in THF (20 mL) and water (2 mL) was added oxone
(3.1 g, 5.0 mmol). The reaction mixture was stirred at rt for 8 h.
Satd. aq. NaHCO.sub.3 was added to the reaction mixture to adjust
to pH.about.7. The mixture was extracted with EtOAc (100
mL.times.2) and CH.sub.2Cl.sub.2 (100 mL.times.2), dried over
Na.sub.2SO.sub.4, and filtered. The solvent was removed in vacuo
and crude material was purified by column chromatography (0 to 8%
MeOH/CH.sub.2Cl.sub.2) to provide 530 mg of the title compound
(43.6%, 89% pure). MS: m/z: 429 [M+H].sup.+.
[0144] .sup.1H NMR of
N-(6-(tert-butylsulfonyl)-7-methoxyquinazolin-4-yl)benzo[d]thiazol-5-amin-
e: (400 MHz, DMSO-d.sub.6) .delta. 1.34 (s, 9H), 4.01 (s, 3H),
7.40) (s, 1H), 7.89 (dd, J=8.80, 1.78 Hz, 1H), 8.17 (d, J=8.80 Hz,
1H), 8.59 (d, J=1.78 Hz, 1H), 8.64 (s, 1H), 9.14 (s, 1H), 9.42 (s,
1H), 10.55 (s, 1H).
Preparation 3
4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-ol
##STR00015##
[0146] To a solution of
N-(6-(tert-butylsulfonyl)-7-methoxyquinazolin-4-yl)benzo[d]thiazol-5-amin-
e (2.0 g, 4.7 mmol) in DMF (30 mL) was added sodium
isopropylthiolate (2.7 g, 28.0 mmol), and the solution was stirred
at 150.degree. C. for 1 h. Solvent was removed in vacuo. 1 N aq.
HCl was added to reaction mixture to neutralize to pH=6. A yellow
solid precipitated out, which was filtered and purified by column
chromatography (0 to 5% MeOH/CH.sub.2Cl.sub.2) to provide 1.5 g of
the title compound (65.9%, 85% pure). MS: m/z: 415 [M+H].sup.+.
[0147] .sup.1H NMR of
4-(benzo[d]thiazol-5-ylamino)-6-(ter-butylsulfonyl)quinazolin-7-ol:
(400 MHz, DMSO-d.sub.6) .delta. 1.15-1.46 (s, 9H), 7.21 (s, 1H),
7.89 (dd, J=8.72, 1.78 Hz, 1H), 8.16 (d, J=8.72 Hz, 1H), 8.55 (s,
1H), 8.58 (d, J=1.78 Hz, 1H), 9.07 (s, 1H), 9.42 (s, 1H), 10.47 (s,
1H), 11.45 (br. s., 1H).
Preparation 4
2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)ox-
y)ethanol
##STR00016##
[0149]
4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-ol
(8.0 g, 19.3 mmol) and K.sub.2CO.sub.3 (5.9 g, 42.5 mmol) were
dissolved in 98 ml DMF and stirred 2 min before adding
2-bromoethanol (5.1 mL, 72.4 mmol). The mixture was heated for 3 h
at 70.degree. C., and then cooled to rt and stirred for 18 h. Water
(300 mL) was added, and the resulting solid was filtered and washed
with water. The wet cake was slurried again in water and filtered
to give a tan solid. The solid was dissolved in hot EtOAc/MeOH (150
mL/50 mL) and cooled to rt to give a white solid precipitate which
was filtered and dried under vacuum to give the product as a white
solid (2.4 g). The resulting filtrate was evaporated to dryness,
triturated with EtOAc, filtered, and dried to give a light brown
solid (3.1 g). The solids were combined (5.5 g, 62% yield). Several
batches of this material were combined to give 15 g of input
material. To this solid was added water (150 mL). The mixture was
sonicated, and stirred for 15 min at rt. The solid was filtered and
dried under vacuum at 70.degree. C. for 3 days to give the title
compound as a solid (14.8 g, 98% recovery). MS: m/z: 459
[M+H].sup.+; .sup.1H NMR (400 MHz, DMSO-d.sub.6) .delta. 1.36 (s,
9H), 3.81 (q. J=4.80 Hz, 2H), 4.28 (t, J=4.80 Hz, 2H), 4.81 (t,
J=4.80 Hz, 1H), 7.41 (s, 1H), 7.89 (d, J=8.40 Hz, 1H), 8.17 (d,
J=8.40 Hz, 1H), 8.58 (s, 1H), 8.63 (s, 1H), 9.14 (s, 1H), 9.42 (s,
1H), 10.55 (s, 1H).
Example 1
2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)ox-
y)ethyl dihydrogen phosphate
##STR00017##
[0151]
2-((4-(Benzo[d]thiazol-5-ylamino)-6-ter-butylsulfonyl)quinazolin-7--
yl)oxy)ethanol (4 g, 8.72 mmol) and Et.sub.3N (1.824 mL, 13.08
mmol) were suspended (with heat gun to warm to dissolve as much as
possible, not entirely soluble at this concentration) in
triethylphosphate (40 mL) and cooled to 0.degree. C. POCl.sub.3
(0.220 mL, 13.08 mmol) was added dropwise slowly at 0.degree. C.
with vigorous stirring. The reaction was stirred at 0.degree. C.
for 1 hr until complete. The reaction was quenched with water (4
mL) at 0.degree. C. over 10 min, suspended in DMSO-CH.sub.3CN-50 mM
sodium ammonium phosphate (pH=7) (ratio 1:1:8), then adjusted pH to
7 with NH.sub.4OH to give complete solution, and purified by
preparatory C.sub.18 HPLC (Luna C18, 10.mu., 101.times.250 mm
column, 500 mL/min) using gradient 15-21% of CH.sub.3CN in 50 mM
sodium ammonium phosphate (pH=7) buffer. The fractions containing
the desired product (from multiple runs) were combined, adjusted pH
to 3.6 with formic acid, and concentrated to 300 mL to give a
yellow suspension. The suspension was readjusted pH to 3.6, chilled
for 2 h in an ice bath; filtered off product, washed with 50 mL
cold water and dried at 40.degree. C. for 18 h on high vacuum to
give a yellow solid,
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate (76% overall yield). .sup.1H NMR (400
MHz, DMSO-d.sub.6) .delta. ppm 1.36 (s, 9H) 4.16-4.28 (m, 3H) 4.45
(t, J=4.55 Hz, 2H) 7.43 (s, 1H) 7.89 (dd, J=8.72, 1.64 Hz, 1H) 8.17
(d, J=859 Hz, 1H) 8.58 (d, J=1.52 Hz, 1H) 8.64 (s, 1H) 9.15 (s, 1H)
9.42 (s, 1H) 10.58 (br. s., 1H); MS (m/z) 539 (M+H.sup.+).
Example 2
2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)ox-
y)ethyl disodium phosphate
##STR00018##
[0153]
2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin--
7-yl)oxy)ethyl dihydrogen phosphate (95 mg, 0.176 mmol) was
suspended in CH.sub.3CN (2 mL) and water (2 mL), a solution of
sodium bicarbonate (29.6 mg, 0.353 mmol) in water (1 mL) was added
to give a clear solution which was concentrated to dryness on a
rotary evaporator. The resultant residue was triturated with
CH.sub.3CN and evaporated to dryness on a rotary evaporator to give
a white solid,
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate (103 mg, 100%). .sup.1H NMR (400 MHz,
D.sub.2O) .delta. ppm 1.15 (s, 9H) 3.94 (d, J=18.95 Hz, 4H) 6.31
(s, 1H) 6.82-7.02 (m, 2H) 7.37 (br. s., 1H) 7.76 (s, 1H) 7.90 (s,
1H) 8.70 (s, 1H); MS (m/z) 539 (M-2Na.sup.++3H.sup.+).
Example 3
Calcium (I)
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl hydrogen phosphate trihydrate
##STR00019##
[0155] Acetonitrile (11.0 mL) was added to
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate, (407.1 mg). The suspension was
heated to 40.degree. C. and Ca(OAc).sub.2 (0.5M solution in water,
0.5 equivalents) was added in 3 equal portions (10 minutes apart)
followed by seeding. The temperature of the suspension was then
cycled between 40.degree. C. and 5.degree. C. for .about.20 hours.
The crystalline solids were isolated by vacuum-filtration under a
nitrogen tent. The yield of the filtered solids was 90.1% (411.5
mg). The PXRD pattern of FIG. 1 was obtained after vacuum drying
the solids at 40.degree. C. for 4 hours. Stoichiometry of the
hemi-calcium salt was confirmed to be 1:0.5 (API:CI) by ICP-AES
(3.8%, theoretical for hemi-Ca salt: 3.3%).
[0156] Seed crystals of this hydrated form of the hemi-calcium salt
were obtained from an analogous procedure conducted on a small
scale, absent seeding.
Example 4
2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)ox-
y)ethyl dihydrogen phosphate hydrochloride monohydrate
##STR00020##
[0158] THF (11.0 mL) was added to
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate (401.0 mg). The suspension was heated
to 40.degree. C. and HCl acid (5M solution in water, 1.0
equivalent) was added in 3 equal portions (10 minutes apart)
followed by seeding. The temperature of the suspension was then
cycled between 40.degree. C. and 5.degree. C. for .about.20 hours.
The crystalline solids were isolated by vacuum-filtration under a
nitrogen tent. The yield of the filtered solids was 85.9% (379.4
mg). The PXRD pattern of FIG. 2 was obtained after vacuum drying
the solids at 40.degree. C. for 4 hours. Stoichiometry of this HCl
salt was confirmed to be 1:1 (API:CI) by ion chromatography for
chloride content (5.99.+-.0.42%, theoretical for HCl salt:
6.15%).
[0159] Seed crystals of this hydrated form of the HCl salt were
obtained from an analogous procedure conducted on a small scale,
absent seeding.
Example 5
(S)-2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-y-
l)oxy)ethyl 2-amino-3-methylbutanoate dihydrochloride
a)
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin--
7-yl)oxy)ethyl 2-((tert-butoxycarbonyl)amino)-3-methylbutanoate
##STR00021##
[0161] (S)-2-((tert-Butoxycarbonyl)amino)-3-methylbutanoic acid
(171 mg, 0.785 mmol) and HATU (498 mg, 1.308 mmol) were dissolved
in DMF (4 mL) at rt, i-Pr.sub.2NEt (0.229 mL, 1.308 mmol) was
added, stirring was continued for 15 min followed by the addition
of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol (300 mg, 0.654 mmol) and DMAP (15.99 mg, 0.13 mmol). The
reaction mixture was stirred for 16 hrs at rt, diluted with EtOAc
(100 ml), washed with water, brine, dried over MgSO.sub.4, and
concentrated. The residue was purified on silica gel (40 g, 5%
MeOH/DCM) to give
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-((tert-butoxycarbonyl)amino)-3-methylbutanoate (387
mg, 90%). .sup.1H NMR (400 MHz, DMSO-d.sub.6) .delta. ppm 0.87 (t,
6H) 1.36 (s, 9H) 1.38 (s, 9H) 2.03-2.14 (m, 1H) 3.92 (dd, J=8.08,
6.06 Hz, 1H) 4.47 (d, J=10.86 Hz, 4H) 7.14 (d, J=8.34 Hz, 1H) 7.44
(s, 1H) 7.89 (dd. J=8.59, 2.02 Hz, 1H) 8.17 (d, J=8.59 Hz, 1H) 8.58
(d, J=2.02 Hz, 1H) 8.64 (s, 1H) 9.16 (s, 1H) 9.43 (s, 1H) 10.57 (s,
1H). MS (m/z) 658 (M+H.sup.+).
b)
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin--
7-yl)oxy)ethyl 2-amino-3-methylbutanoate dihydrochloride
##STR00022##
[0163] HCl in 1,4-dioxane (4.33 mL, 17.33 mmol) was added to a vial
containing
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-((tert-butoxycarbonyl)amino)-3-methylbutanoate (380
mg, 0.578 mmol), the suspension was stirred at rt for 1 hr,
concentrated, the solid was collected by filtration, washed with
EtOAc, and dried under high vacuum for 16 hrs to give an off-white
solid,
(S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7--
yl)oxy)ethyl 2-amino-3-methylbutanoate dihydrochloride (326 mg,
89%). .sup.1H NMR (400 MHz, DMSO-d.sub.6) .delta. ppm 0.99 (d,
J=7.07 Hz, 6H) 1.37 (s, 9H) 2.26 (dd, 1H) 3.91 (d, J=5.31 Hz, 1H)
4.60 (d, J=11.87 Hz, 4H) 7.71 (s, 1H) 7.78 (dd, J=8.72, 1.64 Hz,
1H) 8.30 (d, J=8.59 Hz, 1H) 8.44 (d, J=1.77 Hz, 1H) 8.56 (br. s.,
3H) 8.95 (s, 1H) 9.34 (s, 1H) 9.50 (s, 1H) 12.09 (br. s., 1H); MS
(m/z) 558 (M+H.sup.+).
[0164] The following compound was prepared in the same manner using
(R)-2-((tert-butoxy carbonyl)amino)-3-methylbutanoic acid
Example 6:
(R)-2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)qui-
nazolin-7-yl)oxy)ethyl 2-amino-3-methylbutanoate,
dihydrochloride
##STR00023##
[0166] .sup.1H NMR (400 MHz, DMSO-d.sub.6) .delta. ppm 0.99 (d, 6H)
1.37 (s, 9H) 2.21-2.32 (m, 1H) 3.90 (d, J=4.80 Hz, 1H) 4.48-4.69
(m, 4H) 7.69 (s, 1H) 7.80 (dd, J=8.72, 1.89 Hz, 1H) 8.28 (d, J=8.59
Hz, 1H) 8.46 (d, J=2.02 Hz, 1H) 8.58 (d, J=3.79 Hz, 3H) 8.91 (s,
1H) 9.32 (s, 1H) 9.49 (s, 1H) 11.88 (br. s., 2H), MS (m/z) 558
(M+H.sup.+).
Example 7
(2S,3S)-2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-
-7-yl)oxy)ethyl 2-amino-3-methyl pentanoate
##STR00024##
[0168] (2S,3S)-2-((tert-Butoxycarbonyl)amino)-3-methylpentanoic
acid (60.5 mg, 0.262 mmol) and HATU (166 mg, 0.436 mmol) were
dissolved in DMF (2 mL) and cooled at 23.degree. C., DIEA (0.076
mL, 0.436 mmol) and DMAP (5.33 mg, 0.044 mmol) were added, stirring
was continued for 30 min followed by addition of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol (100 mg, 0.218 mmol). The reaction mixture was stirred
for 3 days at rt, then heated at 50.degree. C. for 20 hrs, reaction
was not complete.
[0169] A solution of
(2S,3S)-2-((tert-butoxycarbonyl)amino)-3-methylpentanoic acid (121
mg, 0.52 mmol) and HATU (332 mg, 0.87 mmol) and DIEA (0.15 mL, 0.87
mmol) in DMF (1 ml) was prepared and stirred for 15 min before it
was added to the above reaction mixture. The resulting reaction
mixture was heated at 50.degree. C. for 4 hrs, purified on Gilson
HPLC (100.times.150 mm RP Sunfire column) using 20-70%
ACN/water/TFA (0.05%). The fractions containing the desired product
were combined, concentrated on rotovap. The residue was dissolved
in dioxane (1 ml), then HCl (1 ml, 4M in dioxane) was added at rt,
and the resulting mixture was stirred for 1 hr until all starting
material converted to desired product. The reaction mixture was
concentrated, partitioned between EtOAc and aqueous sodium
bicarbonate, the organic layer was separated, washed with brine,
dried (MgSO.sub.4), and concentrated to give a white solid
(2S,3S)-2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazoli-
n-7-yl)oxy)ethyl 2-amino-3-methylpentanoate (74 mg, 0.126 mmol.
57.6% yield). .sup.1H NMR (400 MHz, DMSO-d.sub.6) .delta. ppm
0.78-0.83 (m, 3H) 0.85 (d, J=6.82 Hz, 3H) 1.05-1.21 (m, 1H) 1.35
(s, 9H) 1.43 (ddd, J=13.45, 7.52, 4.29 Hz, 1H) 1.57-1.70 (m, 1H)
3.15-3.23 (m, 1H) 4.34-4.57 (m, 4H) 7.44 (s, 1H) 7.89 (dd, J=8.72,
1.89 Hz, 1H) 8.17 (d, J=8.59 Hz, 1H) 8.58 (d, J=1.77 Hz, 1H) 8.64
(s, 1H) 9.15 (s, 1H) 9.42 (s, 1H) 10.56 (s, 1H). MS (m/z) 572
(M+H.sup.+).
Example 8
Biological Assays
In Vivo Assay (I)
[0170] The efficacy of RIP2 inhibitors may be evaluated in vivo in
rodents. Intraperitoneal (i.p.) or intravenous (i.v.)
administration of L18-MDP in mice has been shown to induce an
inflammatory response through activation of the NOD2 signaling
pathway (Rosenweig, H. L., et al. 2008. Journal of Leukocyte
Biology 84:529-536). The level of the inflammatory response in the
L18-MDP treated mice/rats is monitored using conventional
techniques by measuring increases in cytokine levels (IL8,
TNF.alpha., IL6 and IL-.beta.) in serum and/or peritoneal lavage
fluid and by measuring neutrophil influx into the peritoneal space
(when L18-MDP is dosed i.p.). Inhibition of the L18-MDP induced
inflammatory response in treated rodents may be shown by orally
pre-dosing with test compounds, then measuring and comparing
cytokine levels (IL8, TNF.alpha., IL6 and IL-.beta.) in serum
and/or peritoneal lavage fluid and neutrophil influx into the
peritoneal space (when L18-MDP is dosed i.p.) using conventional
techniques.
[0171] Rats were orally pre-dosed with the compound,
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol, at a dose of 2 mg/kg (8 rats) and with prednisolone (8
rats, used as a positive control), followed by dosing with L18-MDP
(50 pig/rat) 0.25 h/min after pre-dosing. Combined cytokine levels
(IL8, TNF.alpha., IL6 and IL-.beta.) in whole blood samples taken
from the rats in this study were measured using an antibody based
detection (Meso-Scale Discovery platform). The combined cytokine
response was calculated as the averaged response for the 4
cytokines measured relative to the response observed in the
vehicle-treated mice, and are depicted in FIG. 3 as the
mean.+-.standard error of the mean (n=8 rats/group).
In Vivo Assay (II)
[0172]
2-((4-(Benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin--
7-yl)oxy)ethyl dihydrogen phosphate was orally administered at a
dose equivalent to 2 mg/kg of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol to a series of test animals. Rats (n=2) and dogs (n=3)
were administered
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate, whereas minipigs (male Gottingen
minipigs (n=3)) were administered
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate. Blood samples were taken from each
test animal at intervals between 0 to 24 hrs (25 hrs in dog) after
administration. The concentration
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol in each sample was determined by LC/MS. The average
blood concentrations of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethanol in each test species, following oral administration of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate or disodium phosphate are shown in
FIG. 4.
[0173] The half life (T.sub.1/2) of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl dihydrogen phosphate was determined to be 15 min in rat
and 5 min in dog. The half life (T.sub.1/2) of
2-((4-(benzo[d]thiazol-5-ylamino)-6-(tert-butylsulfonyl)quinazolin-7-yl)o-
xy)ethyl disodium phosphate was determined to be 26 min in
minipig.
Pharmaceutical Compositions
Example A
[0174] Tablets are prepared using conventional methods and are
formulated as follows:
TABLE-US-00002 Ingredient Amount per tablet Compound 5 mg
Microcrystalline cellulose 100 mg Lactose 100 mg Sodium starch
glycollate 30 mg Magnesium stearate 2 mg Total 237 mg
Example B
[0175] Capsules are prepared using conventional methods and are
formulated as follows:
TABLE-US-00003 Ingredient Amount per tablet Compound 15 mg Dried
starch 178 mg Magnesium stearate 2 mg Total 195 mg
* * * * *
References