Pyridine analogs as C5A antagonists
OwnerNicolas Lachance, Patrick Roy +1inventors
InventorsNicolas Lachance, Patrick Roy, Yves Leblanc
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Abstract
The present invention provides novel compounds of Formula I which are antagonists of the C5a receptor. Compounds of the present invention are useful for the treatment of various C5a-mediated diseases and disorders; accordingly the present invention provides a method for the treatment of C5a-mediated diseases using the novel compounds described herein, as well as pharmaceutical compositions containing them.
Claims12
-26. (canceled)
A compound of Formula I
- or a pharmaceutically acceptable salts thereof;
- k is 0, 1, 2 or 3;
- R2 and R3 are each hydrogen;
- R1 is selected from the group consisting of
- (1) hydrogen,
- (2) —C1-6alkyl,
- (3) —OC1-6alkyl,
- (4) —SC1-6alkyl,
- (5) —C2-6alkenyl,
- (6) —C3-6cycloalkyl,
- (7) aryl,
- (8) heteroaryl,
- (9) heterocyclic,
- (10) —C1-6alkylaryl,
- (11) —C1-6alkylheteroaryl
- (12) —C1-6alkylheterocyclic,
- (13) —O-aryl,
- (14) —O-heteroaryl,
- (15) —O-heterocyclic,
- (16) —OC1-6alkylaryl,
- (17) —OC1-6alkylheteroaryl
- (18) —OC1-6alkylheterocyclic,
- (19) halo,
- (20) —CN,
- (21) —NO2,
- (22) —C(O)—C1-6alkyl,
- (23) —C(O)-aryl,
- (24) —C(O)-heteroaryl,
- (25) —C(O)-heterocyclic,
- (26) —C(O)—C1-6alkyl,
- (27) —NH—C1-6alkyl,
- (28) —N(C1-6alkyl)(C1-6alkyl)
- (29) —C(O)—NH2,
- (30) —C(O)—NH—C1-6alkyl,
- (31) —C(O)—N(C1-6alkyl)(C1-6alkyl), and
- (32) S(O)n-C1-6alkyl,
- wherein definitions (1) to (18) and (22) to (32) are optionally substituted with 1, 2 or 3 substituents selected from the group consisting of halo, hydroxyl, —CN, —NO2, NH2,
- R4 and R5 are each independently selected from the group consisting of
- (1) hydrogen,
- (2) —C1-6alkyl,
- (3) —OC1-6alkyl,
- (4) —SC1-6alkyl,
- (5) —C2-6alkenyl,
- (6) —C3-6cycloalkyl,
- (7) aryl,
- (8) heteroaryl,
- (9) heterocyclic,
- (10) —C1-6alkylaryl,
- (11) —C1-6alkylheteroaryl
- (12) —C1-6alkylheterocyclic,
- (13) —O-aryl,
- (14) —O-heteroaryl,
- (15) —O-heterocyclic,
- (16) —OC1-6alkylaryl,
- (17) —OC1-6alkylheteroaryl,
- (18) —OC1-6alkylheterocyclic,
- (19) halo,
- (20) —CN,
- (21) —NO2,
- (22) —C(O)—C1-6alkyl,
- (23) —C(O)-aryl,
- (24) —C(O)-heteroaryl,
- (25) —C(O)-heterocyclic,
- (26) —C(O)—C1-6alkyl,
- (27) NH2,
- (28) —NH—C1-6alkyl,
- (29) —N(C1-6alkyl)(C1-6alkyl)
- (30) —C(O)—NH2,
- (31) —C(O)—NH—C1-6alkyl,
- (32) —C(O)—N(C1-6alkyl)(C1-6alkyl),
- (33) —SH, and
- (34) S(O)n-C1-6alkyl, wherein n is 1 or 2;
- wherein definitions (1) to (18) and (22) to (32) and (34) are optionally substituted with 1, 2 or 3 substituents selected from the group consisting of halo, hydroxyl, —CN, —NO2, NH2;
- R6 is hydrogen or C1-3alkyl, optionally substituted with 1, 2 or 3 substituents selected from
- R6 is hydrogen or C1-3alkyl, optionally substituted with 1, 2 or 3 substituents selected from
- (1) -halo,
- (2) —NR7R8,
- (3) aryl,
- (4) —OC1-3alkyl,
- (5) —SC1-3alkyl, and
- (6) —S(O)2C1-3alkyl,
- (7) hydroxyl;
- each R7 and each R8 are each independently hydrogen or C1-3alkyl, optionally substituted with 1, 2 or 3 substituents selected from
- (1) -halo,
- (2) C1-3alkyl,
- (3) —OC1-6alkyl,
- (4) —SC1-6alkyl,
- (5) —S(O)2C1-6alkyl,
- Ar is aryl or heteroaryl, optionally substituted with 1, 2 or 3 substitutents selected from
- (1) -halo,
- (2) C1-6alkyl, optionally substituted with 1, 2, 3 or 4 halo groups,
- (3) —NR7R8,
- (4) aryl,
- (5) —OC1-6alkyl, optionally substituted with 1, 2, 3 or 4 halo groups,
- (6) —SC1-6alkyl,
- (7) —S(O)2C1-6alkyl;
- Ar1 is aryl or heteroaryl or C3-6cycloalkyl, optionally substituted with 1, 2 or 3 substitutents selected from
- (1) -halo,
- (2) C1-6alkyl, optionally substituted with 1, 2, 3 or 4 halo groups,
- (3) —NR7R8,
- (4) aryl,
- (5) —OC1-6alkyl, optionally substituted with 1, 2, 3 or 4 halo groups,
- (6) —SC1-6alkyl, and
- (7) —S(O)2C1-6alkyl.
A Method of treatment or prevention of a C5a mediated disease or disorder comprising administering to a subject in need of such treatment or prevention, a therapeutically effective amount of a compound according to claim 1 or a pharmaceutically acceptable salt.
Dependencies are inferred from the claim text.