NOVEL AMINOPYRIDINE DERIVATIVES HAVING AURORA A SELECTIVE INHIBITORY ACTION

摘要

The present invention relates to a compound of Formula (I): wherein: R1 is H, -NHCOOR1a, C5-6 cycloalkyl, or phenyl; where the cycloalkyl and phenyl each independently may be substituted with one to three of the same or different substituents selected from R10; R1a is C1-3 alkyl which may be substituted with one to three of the same or different substituents selected from F and Cl; R2 is H, -COOH, -CH2 COOH, -COOR2a, or -CH2COOR2a; R2a is C1-2 alkyl, where the alkyl may be substituted with one to three of the same or different substituents selected from halogen atoms; R3 is H, C1-6 alkyl, where the alkyl may be substituted with one to three of the same or different substituents selected from R11; R10 is F, Cl, CF3, or C1-2 alkyl; R11 is halogen atom, hydroxy, or cyano; W is selected from: W2a is H, halogen atom, cyano, C1-2 alkyl, or C3-5 cycloalkyl, or a pharmaceutically acceptable salt or ester thereof.