NEW PHARMACOLOGICALLY ACTIVE CATECHOL DERIVATIVES

摘要

Compounds of formula (I), wherein R1 is an electronegative substituent such as nitro, halogeno or cyano group and R2 is a group selected from (Ia) and (Ib), wherein R is hydrogen, or an alkyl, cycloalkyl, aralkyl or aryl group, wherein X1, X2, Y and Z are independently oxygen, sulfur of NR, wherein R may be as defined above and pharmaceutically acceptable esters and salts thereof are useful in the prevention or treatment of tissue damage induced by lipid peroxidation.