Organic dye compound having both pyridiniotriazinyl and vinylsulfone type fiber-reactive groups

摘要

A compound of the formula, <IMAGE> wherein D is an organic dye moiety, R1 and R2 are independently hydrogen or a substituted or unsubstituted lower alkyl group, R3 is hydrogen or a substituted or unsubstituted lower alkyl, phenyl or naphthyl group, X1 and X2 are independently hydrogen, halogen or a lower alkyl, cyano, carbamoyl, vinyl, beta -hydroxyethyl, beta -sulfoethyl, beta -sulfatoethyl, carboxyl, carboxylic acid ester or sulfonic acid group, and Z is appended to the above-defined D or R3 and stands for -SO2CH=CH2 or -SO2CH2CH2Y, in which Y is a group capable of being split by the action of an alkali, which is useful for dyeing hydroxyl or amido group-containing fiber materials with excellent build-up properties, thereby giving dyed products having excellent various fastness properties.