Patent ID: 6284924
Filing Date: 2001-09-04
Classification: C07C,C07D,C08G

Abstract:
A compound represented by the general formula (1) ##STR59##wherein Y.sub.1, Y.sub.2, Y.sub.3, and Y.sub.4 may be the same or different and represent carboxy group, an esterified carboxy group or a group of --(CONH)n--X (wherein X is an optionally branched and optionally substituted hydrocarbon group which may have unsaturated bonds, an optionally substituted aromatic group or a heterocyclic group having conjugated double bonds);n is an integer of 1 or 2;Q and Q' each represent an optionally branched alkyl or alkoxy group of 1-6 carbon atoms, a halogen atom, nitro group or nitroso group;m and m' each represent an integer of 0-3; andA represents an optionally substituted and optionally branched bivalent hydrocarbon group of 1-20 carbon atoms which may have unsaturated bonds, wherein said hydrocarbon group may have a moiety of an optionally substituted aromatic group or a heterocyclic group having conjugated double bonds;or a salt thereof.