Reactive pyridone azo dyestuffs

摘要

A water-soluble compound of Formula (1) which is useful for coloring e.g. cellulosic materials, animal furs and animal skins such as leather. CHEM wherein: A is optionally substituted phenylene or naphthylene; X is a cellulose-reactive group; X1 is H or a cellulose-reactive group; p is greater than or equal to 1; T1 and T2 are each independently selected from H, CN, CO2R2, CONR2R3, COR2, alkyl, aralkyl, cycloalkyl, aryl or a heterocyclic radical, which are unsubstituted or substituted; Z is a divalent linking group containing from 2 to 6 carbon atoms; n is from 2 to 6; R1 is H or sulpho; and R2 and R3 are each independently H or C1-6-alkyl; and salts thereof.