Novel reactive yellow dyes, process for their preparation and dyeing thereof

摘要

The present invention relates to a novel reactive yellow dye represented by the following general formula (I) suitable for dyeing or printing cellulosic fibers with a light yellow color.;Wherein X is a halogen atom, R_OneIs hydrogen or a sulfonic group, R₂And R₄Is a hydrogen, a methyl group, an ethyl group, a methoxy group or an ethoxy group, R₃Is hydrogen, a cyano group, an amino group, a carboxyl group, a carbamoyl group,-CONHCH₂SO₃H or-NHCH₂SO₃H, and A stands for , , , or .;(Wherein * denotes-NH-bonded to A in the general formula (I), m and n each represent an integer of 0 to 2, and R '_OneAnd R '₂Each represent a hydrogen, a methyl group, an ethyl group, a methoxy group, an ethoxy group or a dimethoxy group, M represents CH₂CH₂SO₃H or-CH = CH₂/RTI