Reactive azo dyes containing phenylamino-chlorotriazinylamino and alpha , beta -dibromoproproylamino or alpha -bromoacryloylamino fiber reactive groups

摘要

Reactive dyes of formula <IMAGE> (1) <IMAGE> wherein R1 is C1-C4alkyl which is unsubstituted or substituted by hydroxyl, R2 and R3 are each independently of the other hydrogen, C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, halogen or sulfo, and Y is alpha , beta -dihalopropionyl or alpha -haloacryloyl, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials, in high tinctorial yield, and give dyeings and prints with good fastness properties.