Ccr5 modulators benzimidazoles or benzotriazoles
AssigneeAstraZeneca AB
InventorsJeremy Burrows, John Cumming, Thomas Mcinally
Life of this patent
Estimating the term…
Abstract
The invention concerns compounds of formula (I), wherein the variables are defined herein; processes for preparing them, compositions comprising them and their use in modulating CCR5 receptor activity.
Claims15
A compound of formula (I):
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- wherein
- A is a 5, 6 or 7 membered ring comprising, respectively, 4, 5 or 6 carbons and one nitrogen which carries a substituent R1, A being either saturated or including one endocyclic double bond;
- X—Y is N═C(R5) or N═N;
- J is N or CR2a;
- K is N or CR2b;
- L is N or CR2c;
- M is N or CR2d;
- provided that no more than 2 of J, K L and M are N;
- R2a, R2b, R2c and R2d are, independently, hydrogen, halo, cyano, nitro, hydroxy, SH, S(O)pR6, NR7R8, SO2NR9R10, CONR11R12, NR13SO2R14, NR15COR16, COR17, CO2R18, NR19CONR20R21, C1-6 alkyl, C3-6 cycloalkyl, C2-6 alkenyl, C2-6 alkenyloxy, C2-6 alkynyl, C1-6 haloalkyl, C1-6 alkoxy, C1-6 haloalkoxy, C1-6 alkoxy(C1-6)alkyl or heterocyclyl, or phenyl, phenyl(C1-4)alkyl, phenoxy, phenyl(C1-4)alkoxy, heteroaryl, heteroaryl(C1-4)alkyl, heteroaryloxy or heteroaryl(C1-4)alkoxy, wherein any of the foregoing phenyl and heteroaryl moieties are optionally substituted with halo, hydroxy, cyano, C1-4 alkyl or C1-4 alkoxy;
- R1 is C1-10 alkyl, C3-7 cycloalkyl, C3-8 alkenyl or C3-8 alkynyl, each optionally substituted with one or more of:
- halo, hydroxy, cyano, nitro, C1-6 alkoxy (itself optionally substituted by heterocyclyl or CONR62R63), C3-7 cycloalkyl, NR22R23, C(O)R24, NR25SO2R26, NR27C(O)R28, SO2NR29R30, CONR31R32, NR33CONR34R35, S(O)mR64, heterocyclyl, heterocyclyloxy, aryl, aryloxy, heteroaryl, heteroaryloxy, 9H-fluorenyl (optionally substituted with halo, hydroxy, cyano, C1-6 alkyl, C1-6 alkoxy, C2-6 alkenyl, phenyl or phenyl(C1-4)alkyl), 9H-xanthenyl (optionally substituted with halo, hydroxy, cyano, C1-6 alkyl, C1-6 alkoxy, C2-6 alkenyl, phenyl or phenyl(C1-4) alkyl) or dibenzo(a,d)cycloheptatrienyl (optionally substituted with halo, hydroxy, cyano, C1-6 alkyl, C1-6 alkoxy, C2-6 alkenyl, phenyl or phenyl(C1-4)alkyl);
- R3, R3a, R4 and R4a are, independently, hydrogen, C1-6 alkyl (optionally substituted by hydroxy or alkoxy), CO2R36 or CONR37R38 (wherein R36, R37 and R38 are, independently, hydrogen or C1-6 alkyl);
- R5 is hydrogen, C1-6 alkyl (optionally substituted with cyano, hydroxy, C1-4 alkoxy, C3-7 cycloalkyl, COR58, SO2NR58R59, C(O)NR75R76, NR74COR65, NR73SO2R66, NHC(O)NR67R72, NR68R69, SO2R77, C(O)R78, heterocyclyl, phenyl or heteroaryl), C3-6 alkenyl, C3-6 alkynyl, C3-7 cycloalkyl, phenyl, heterocyclyl, heteroaryl, OR79, SR79 , CONR39R40, COR39, NR39R40, (wherein R39 and R40 are, independently, hydrogen, C1-6 alkyl (optionally substituted with C3-7 cycloalkyl, phenyl or heteroaryl), C2-6 alkenyl, C2-6 alkynyl, C3-7 cycloalkyl, phenyl or heteroaryl;
- and R79 is C1-6 alkyl (optionally substituted with C3-7 cycloalkyl, phenyl or heteroaryl), C3-6 alkenyl, C3-6 alkynyl, C3-7 cycloalkyl, phenyl or heteroaryl), NR70SO2R71 or NR70C(O)R71 (wherein R70, R73 and R74 are, independently, hydrogen, C1-4 alkyl, C2-4 alkenyl, C2-4 alkynyl or C1-6 cycloalkyl;
- and R71 is C1-6 alkyl, C3-7 cycloalkyl, aryl or heteroaryl);
- R64 is alkyl, cycloalkyl, aryl or heteroaryl;
- R13, R15, R19, R25, R27, R33, are, independently, hydrogen, C1-6 alkyl or phenyl;
- R6, R14 and R26 are, independently, alkyl (optionally substituted by halo, hydroxy, C1-6 alkoxy, C1-6 haloalkoxy or phenyl), phenyl or heteroaryl;
- R7, R8, R9, R10, R11, R12, R16, R17, R18, R20, R21, R22, R23, R24, R28, R29, R30, R31, R32, R34, R35, R58, R59, R67, R68, R69, R72, R75 and R76 are, independently, hydrogen or alkyl (optionally substituted by halo, hydroxy, C1-6 alkoxy, C1-6 haloalkoxy, heterocyclyl, CONR60R61, or phenyl (itself optionally substituted by halo, hydroxy, cyano, C1-4 alkyl or C1-4 alkoxy)), phenyl or heteroaryl;
- unless specified otherwise, the foregoing aryl, phenyl and heteroaryl moieties are optionally substituted with halo, cyano, nitro, hydroxy, S(O)qR41, NR42R43, SO2NR44R45, CONR46R47, NR48SO2R49, NR51, COR52, COR53, CO2R54, NR55CONR56R57, C1-6 alkyl, C3-6 cycloalkyl, C1-6 alkenyl, C2-6 alkynyl, C1-6 haloalkyl, C1-6 alkoxy, C1-6 haloalkoxy, C1-6 alkoxy(C1-6)alkyl, phenyl, phenyl(C1-4)alkyl, phenoxy, phenylthio, phenyl(C1-4)alkoxy, heteroaryl, heteroaryl(C1-4)alkyl, heteroaryloxy or heteroaryl(C1-4)alkoxy;
- wherein any of the immediately foregoing phenyl and heteroaryl moieties are optionally substituted with halo, hydroxy, cyano, C1-4 alkyl or C1-4 alkoxy;
- R48, R51 and R55 are, independently hydrogen, C1-6 alkyl or phenyl;
- R41, R49, R66 are, independently, alkyl (optionally substituted by halo, hydroxy, C1-6 alkoxy, C1-6 haloalkoxy or phenyl (itself optionally substituted by halo, hydroxy, cyano, C1-4 alkyl or C1-4 alkoxy)), phenyl or heteroaryl;
- R42, R43, R44, R45 , R46, R47, R52, R53, R54, R56, R57, R60, R61, R62, R63 and R65 are, independently, hydrogen or alkyl (optionally substituted by halo, hydroxy, C1-6 alkoxy, C1-6 haloalkoxy or phenyl (itself optionally substituted by halo, hydroxy, cyano, C1-4 alkyl or C1-4 alkoxy)), phenyl or heteroaryl;
- the pairs of substituents:
- R7 and R8, R9 and R10, R11 and R12, R20 and R21, R22 and R23, R29 and R30, R31 and R32, R34 and R35, R37 and R38, R39 and R40, R42 and R43, R44 and R45, R46 and R47, R56 and R57, R58 and R59, R75 and R76, R67 and R72 and R68 and R69 may, independently, join to form a ring and such a ring may also comprise an oxygen, sulphur or nitrogen atom;
- R77 and R78 are, independently, N-linked heterocyclyl;
- where for any of the foregoing heterocyclic groups having a ring —N(H)— moiety, that —N(H)— moiety may be optionally substituted by C1-4 alkyl (itself optionally substituted by hydroxy), C(O)(C1-4 alkyl), C(O)NH(C1-4 alkyl), C(O)N(C1-4alkyl)2or SO2(C1-4 alkyl);
- m, p and q are, independently, 0, 1 or 2;
- a ring nitrogen and/or sulphur atom is optionally oxidised to form an N-oxide and/or an S-oxide;
- or a pharmaceutically acceptable salt thereof.
A compound as claimed in any one of the preceding claims wherein R1 is CR80R81CR82R33R84;
- R84 is OR85 ,NR86R87 or CR88R89R90;
- R80, R81, R82, R83 and R88 are, independently, hydrogen or C1-4 alkyl (for example methyl);
- R85, R87 and R89 are phenyl or heteroaryl;
- R86 is hydrogen, C1-4 alkyl, phenyl, heteroaryl, C(O)phenyl or C(O)heteroaryl;
- and R90 is C1-4 alkyl, phenyl, heteroaryl, heterocyclyl, phenoxy, heteroaryloxy, NHC(O)(C1-6 alkyl), NHC(O)phenyl, NHC(O)heteroaryl, C3-7 cycloalkyl, CH2C(O)(C1-6 alkyl), NHC(O)NH(C1-6 alkyl), NHC(O)O(C1-6 alkyl);
- wherein the foregoing phenyl and heteroaryl groups and moieties are optionally substituted by halogen (especially chlorine or fluorine) or CF3.
A compound of formula (Ih):
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- wherein R1 is CR80R81CR82R83R84;
- R84 is OR85, NR86R87 or CR88R89R90;
- R80,R81, R82, R83 and R88 are, independently, hydrogen or C1-4 alkyl;
- R85, R87 and R89 are phenyl or heteroaryl;
- R86 is hydrogen. C1-4 alkyl, phenyl, heteroaryl, C(O)phenyl or C(O)heteroaryl;
- R90 is C1-4 alkyl, phenyl, heteroaryl, heterocyclyl, phenoxy, heteroaryloxy, NHC(O)(C1-6 alkyl), NHC(O)phenyl, NHC(O)heteroaryl, C3-7 cycloalkyl, CH2C(O)(C1-6 alkyl), NHC(O)NH(C1-6 alkyl) or NHC(O)O(C1-6 alkyl);
- R2a, R2b, R2c and R2d are, independently, hydrogen, halogen, cyano, S(O)2(C1-4 alkyl), S(O)2NH2, S(O)2NH(C1-4 alkyl) or S(O)2N(C1-4 alkyl)2;
- and, R5 is hydrogen or C1-4 alkyl;
- wherein the foregoing phenyl and heteroaryl groups and moieties are optionally substituted by halogen or CF3.
A process for preparing a compound of formula (I), wherein A is piperidine, comprising:
- i. cyclising a compound of formula (IIa):
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- in the presence of NaNO2 and dilute hydrochloric acid as 0-5° C. to produce a triazole ring;
- or in the presence of R5CO2H in refluxing toluene to produce an imidazole ring;
- ii. reacting a compound of formula (VIIa):
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- with a compound of formula R1LG, wherein LG is a leaving group. in the presence of a base;
- or,
- iii. reacting a compound of formula (V):
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- with a compound of formula (VI)
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- wherein LG is a leaving group, in the presence of a base.
A pharmaceutical composition comprising a compound of formula (I), (Ib) or (Ih), or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier or diluent.
A compound of formula (I), (Ib) or (Ih), or a pharmaceutically acceptable salt thereof, for use as a medicament.
The use of a compound of formula (I), (Ib) or (Ih), or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for use in modulating a CCR5 receptor.
The use of a compound of formula (I), (Ib) or (Ih), or a pharmaceutically acceptable salt thereof, in the manufacture of a medicament for treating asthma, transplant rejection, rheumatoid arthritis, atherosclerosis, psoriasis, systemic lupus erythematosus, ulcerative colitis, multiple sclerosis, glomerulonephritis, chronic obstructive pulmonary disease, cerebral malaria, human immunodeficiency virus infection and acquired immune deficiency syndrome in a warm blooded animal.
A method of treating a CCR5 mediated disease state in mammals which comprises administering to a mammal in need of such treatment an effective amount of a compound of formula (I), (Ia), (Ib), (Ic), (Id), (Ie), (If), (Ig), (Ih) and (Ij), or a pharmaceutically acceptable salt thereof.
Dependencies are inferred from the claim text.