Patent ID: 6645283
Filing Date: 2003-11-11
Classification: C07D,C09B,C09D

Abstract:
A novel anthrapyridone compound represented by Formula (1) as described below or the salt thereof wherein, R1 is hydrogen, an alkyl group, a hydroxy lower alkyl group, cyclohexyl, a mono- or di-alkylaminoalkyl group, or a cyano lower alkyl group; R2 is hydrogen, methyl, ethyl, phenoxy which may be substituted, sulfo or carboxy; X and Y represent independently chloro, hydroxy, an alkoxy group, phenoxy which may be substituted with the substituents selected from the group consisting of sulfo, carboxy, acetylamino, amino, and hydroxy, a mono- or di-alkylamino group having sulfo or carboxy, anilino which may be substituted with one or two substituents selected from the group consisting of sulfo and carboxy, naphthylamino, the naphthyl may be substituted with sulfo, or a mono- or di-alkylaminoalkylamino group, except that X and Y are respectively any groups selected from the group consisting of chloro, hydroxy and anilino which may be substituted with one or two substituents selected from the group consisting of sulfo and carboxy, if R2 is hydrogen.