Benzimidazoles useful as protein kinase inhibitors

摘要

Disclosed are compounds of formula (I), wherein: R1 is H or alkyl, R2 is optionally substituted aryl or heteroaryl, R3 is optionally substituted alkyl or -(CH2)n-L-R6, R4 is the group -C(Xb)NR5R6, Xa and Xb are oxygen or sulfur, and the remaining substituents are defined herein. The compounds are used in the manufacture of medicaments for the treatment of disorders mediated by protein kinases.