Patent ID: 8741919

Claim:
A compound of the formula (A): wherein: R 1 is H, hydroxyl, nitro, cyano, halo, substituted or unsubstituted C 1 -C 8 alkyl, substituted or unsubstituted C 2 -C 8 alkenyl, substituted or unsubstituted C 2 -C 8 alkynyl, perhaloalkyl, acyl, acyloxy, carbonylalkoxy, substituted or unsubstituted heterocyclyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted aralkyl, C 1 -C 8 perhaloalkoxy, alkoxy, aryloxy, carboxyl, thiol, thioalkyl, substituted or unsubstituted amino, acylamino, aminoacyl, aminocarbonylamino, aminocarbonyloxy, aminosulfonyl, sulfonylamino, sulfonyl or carbonylalkylenealkoxy; R 2 is H, hydroxyl, nitro, cyano, halo, C 1 -C 8 perhaloalkyl, substituted or unsubstituted C 1 -C 8 alkyl, substituted or unsubstituted C 2 -C 8 alkenyl, substituted or unsubstituted C 2 -C 8 alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, C 1 -C 8 perhaloalkoxy, C 1 -C 8 alkoxy, aryloxy, carboxyl, carbonylalkoxy, thiol, substituted or unsubstituted heterocyclyl, substituted or unsubstituted aralkyl, thioalkyl, substituted or unsubstituted amino, acylamino, aminoacyl, aminocarbonylamino, aminocarbonyloxy, aminosulfonyl, sulfonylamino, sulfonyl, carbonylalkylenealkoxy, alkylsulfonylamino or acyl; X is OH, H, C 1 -C 8 unsubstituted alkyl or is taken together with Y to form a cyclic moiety of the formula —OCH 2 CH 2 O—; Y is halo, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, C 1 -C 8 alkyl substituted with a carbonylalkoxy, carboxyl or acylamino moiety or is taken together with X to form a cyclic moiety of the formula —OCH 2 CH 2 O—; and R 3 is a substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted cycloalkenyl or substituted or a unsubstituted heterocyclyl or a salt or solvate thereof.