Inhibitors of cysteine protease

摘要

This invention relates to compounds of formula (I): wherein: A is C(O) or CH(OH); R1 is R2 is H, C1-6alkyl, C3-6cycloalkyl-C0-6alkyl, Ar-C0-6alkyl, Het-C0-6alkyl, R5C(O)-, R5C(S)-, R5S02-, R5OC(O)-, R5R'NC(O)-, R5R'NC(S)-, adamantyl-C(O)-, or R'' is H, C1-6alkyl, Ar-C0-6alkyl, or Het-C0-6alkyl; R''' is H, C1-6alkyl, C3-6cycloalkyl-C0-6alkyl, Ar-C0-6alkyl, or Het-C0-6alkyl;