Patent ID: 7503965
Filing Date: 2009-03-17
Classification: C07D,C09B,C09D

Abstract:
1. An azo compound represented by Formula (1) as shown below or a salt thereof: wherein, A represents the following Formula (2): A's substitution position is the meta-position or the para-position to an azo group: each of R 1 and R 2 independently represents a hydrogen atom; a halogen atom; a cyano group; a carboxyl group; a sulfo group; a sulfamoyl group; an N-alkylaminosulfonyl group; an N-phenylaminosulfonyl group; a phospho group; a nitro group; an acyl group; a ureide group; a (C1 to C4) alkyl group which may be substituted with a hydroxyl group or a (C1 to C4) alkoxy group; a (C1 to C4) alkoxy group which may be substituted with a hydroxyl group, a (C1 to C4) alkoxy group, a sulfo group or a carboxyl group; or an acylamino group which can be substituted with a (C1 to C4) alkoxy group, a sulfo group or a carboxyl group: each of R 3 and R 4 independently represents a hydrogen atom; a halogen atom; a cyano group; a carboxyl group; a sulfo group; a nitro group; a (C1 to C4) alkyl group; a hydroxyl group; or a (C1 to C4) alkoxy group which may be substituted with a (C1 to C4) alkoxy group or a sulfo group: and n represents 0 or 1: wherein, R 5 represents a cyano group; a carboxyl group; a (C1 to C4) alkyl group; a (C1 to C4) alkoxycarbonyl group; or a phenyl group: and each of R 6 , R 7 and R 8 independently represents a hydrogen atom; a halogen atom; a cyano group; a carboxyl group; a sulfo group; a nitro group; a (C1 to C4) alkyl group; a (C1 to C4) alkoxy group which may be substituted with a hydroxyl group, a (C1 to 4) alkoxy group or a sulfo group; or an acylamino group which may be substituted with a hydroxyl group, a (C1 to C4) alkoxy group or a sulfo group.