Patent ID: 7871464
Filing Date: 2011-01-18
Classification: B41M,C07D,C09B,C09D,Y10T

Abstract:
1. An anthrapyridone compound represented by the following formula (1) or a salt thereof: wherein, n represents an integer number of 1 to 3, R R R an unsubstituted mono- or di-alkylamino group or a mono- or di-alkylamino group having, as substituent, at least one group selected from the group consisting of a sulfo group, a carboxy group, an alkoxy group, a carbonyl group, a carbamoyl group, a cyano group, an anilino group, a phenoxy group, an amino group, a monoalkylamino group, a dialkylamino group, a hydroxy group, a mercapto group and a phenyl group; an unsubstituted phenylthio group or a phenylthio group having, as a substituent, at least one group selected from the group consisting of a sulfo group, a carboxy group, an alkoxy group, a carbonyl group, a carbamoyl group, a cyano group, an alkyl group, an anilino group, a phenoxy group, an amino group, a hydroxy group and a mercapto group; an unsubstituted alkylthio group or an alkylthio group having, as a substituent, at least one group selected from the group consisting of a sulfo group, a carboxy group, an alkoxy group, a carbonyl group, a carbamoyl group, a cyano group, an anilino group, a phenoxy group, an amino group, a hydroxy group, a mercapto group and a phenyl group; a naphthylamino group substituted by a sulfo group or an unsubstituted naphthylamino group; an unsubstituted phenoxy group or a phenoxy group having, as a substituent, at least one group selected from the group consisting of a sulfo group, a carboxy group, an acetylamino group, an amino group, a hydroxy group, a phenoxy group and a phenyl group; a hydroxy group; a mercapto group; or an unsubstituted amino group; respectively.