Protein kinase inhibitor

摘要

Disclosed herein are compounds of the formula Iwherein A and C are independently H, alkyl of 1-6 carbon atoms, hydroxy, or alkoxy of 1-6 carbon atoms;B is hydroxy or alkoxy of 1-6 carbon atoms; andY is cyano, -C(NR1 R2)=C(CN)2;wherein X=O or S, and R1 and R2 are independently H, benzyl, -CH(CH3)C6H6, -(CH2)nC6H6, phenyl; -CO2R; n=2-4; R is lower alkyl of 1-6 carbon atoms which are useful for treating inflammation and immunological diseases.