摘要:
The present invention provides substituted 2-aminopyridines of formula I, wherein R1, A1, W, X, and Y are as defined in the specification, useful in treating cell proliferative disorders. The novel compounds of the present invention are potent inhibitors of cyclin-dependent kinases 4 (Cdk4).
摘要:
This invention provides compounds of formula I: wherein R1, R2, R3, R4, and X1 are as defined in the specification. The 2-(pyridin-3-ylamino)-pyrido[2,3-d]pyrimidin-7-one compounds of formula I, which are inhibitors of cyclin-dependent kinases 2 and 4 (CDK2 and CDK4), are useful in treating cell proliferative disorders.