REACTIVE MONOAZO DYESTUFFS

摘要

A reactive monoazo dyestuff of the general formula [I]: [I] wherein R1 and R2 each represents substituted or unsubstituted alkyl, cyclohexyl, aralkyl or substituted or unsubstituted aryl, Z represents hydrogen, chlorine, methyl or acylamino, (A) represents substituted or unsubstituted alkylene, (B) represents oxygen or -NH-, X represents fluorine or chlorine, and Y represents -NR4R5 or -OR6 wherein R4, R5 and R6 each represents hydrogen, substituted or unsubstituted alkyl, alkenyl, cyclohexyl, aryl or aralkyl, or -NR4R5 represents a 5- or 6-membered nitrogen-containing heterocyclic ring formed by combining R4 and R5.