| CPC A61K 31/4439 (2013.01) [A61K 31/422 (2013.01); A61K 31/423 (2013.01); A61K 31/437 (2013.01); A61K 31/443 (2013.01); A61K 31/444 (2013.01); A61K 31/519 (2013.01); A61K 31/538 (2013.01); A61K 31/55 (2013.01); A61K 31/553 (2013.01); A61P 3/04 (2018.01); A61P 25/28 (2018.01); A61P 27/02 (2018.01); C07D 401/12 (2013.01); C07D 401/14 (2013.01); C07D 405/12 (2013.01); C07D 405/14 (2013.01); C07D 413/12 (2013.01); C07D 413/14 (2013.01); C07D 471/04 (2013.01); C07D 487/04 (2013.01); C07D 498/08 (2013.01)] | 19 Claims |
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1. A compound of formula (I), or a pharmaceutically acceptable salt thereof:
![]() wherein:
![]() ![]() R1 is a hydrogen atom or a halogen atom;
R2 is a hydrogen atom; a phenyl group or a heteroaryl group optionally substituted with one or more Y; or a C1-C6 alkyl group optionally substituted with a C3-C6 cycloalkyl group;
R3 is a hydrogen atom; a cyano group; a phenyl group or a heteroaryl group each optionally substituted with one or more Y; a C1-C4 alkylcarbonyl group or a C1-C4 alkyl group, each optionally substituted with one or more Z; or —C(═O)—Z;
each Y is independently selected from a C1-C4 alkyl group, a C1-C4 alkoxy group, a phenyl group, a C1-C3 alkylsulfonyl group, a C1-C3 haloalkyl group, a halogen atom, and a C1-C3 alkyl group or a C1-C3 alkoxy group substituted with a C1-C3 alkoxy group;
each Z is independently selected from a C1-C3 alkoxy group, a dioxanyl group, an 8-oxa-3-azabicyclo [3.2.1] octyl group, a C1-C4 alkoxycarbonyl group, and an amino group or a C3-C6 cycloalkylamino group each optionally substituted with one or more W; and
each W is independently selected from a phenyl group, a heteroaryl group, a C1-C3 alkyl group, a C1-C3 alkyl group substituted with phenyl, and a C1-C3 alkyl group substituted with a heteroaryl group.
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