| abstract |
Reactive dyes of the formula <IMAGE> in which Z1 and Z2 independently of one another are each a radical of the formula <IMAGE> R1 alkyl which can be substituted by hydroxy, alkoxy, hydroxyalkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, carboxy, cyano, chlorine, sulfo or sulfato, and R2 is hydrogen, alkyl, which can be substituted by hydroxy, alkoxy, hydroxyalkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, carboxy, cyano, chlorine, sulfo or sulfato, or phenyl, benzyl or phenethyl, in which the benzene ring is substituted by methyl, methoxy, acetylamino, Chlorine, bromine, carboxy or sulfo can be substituted, and the benzene rings A and B can be further substituted, are particularly suitable for dyeing or printing cellulosic fiber materials and give dyeings and prints with good fastness properties. |