| 摘要 |
Reactive dyes of formula (1) wherein R1 is halogen, R2, R3 and R4 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, (R5)0-2 and (R6)0-2 each independently of the other denote from 0 to 2 identical or different substituents from the group C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, carboxy, sulfo, carbamoyl, N-C1-C4alkylcarbamoyl, N,N-di-C1-C4alkylcarbamoyl, C1-C4alkylsulfonyl, sulfamoyl, N-C1-C4alkylsulfamoyl and N,N-di-C1-C4alkylsulfamoyl, B1 is an aliphatic or aromatic bridging member, D1 is a radical of the aliphatic, aromatic or heterocyclic series substituted by at least one fibre-reactive group, V1 and V2 are each independently of the other hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy, or unsubstituted or substituted phenyl, unsubstituted or substituted phenoxy, unsubstituted or substituted C2-C6alkanoylamino or unsubstituted or substituted benzoylamino, and X1 is halogen, hydroxy, C1-C4alkoxy, C1-C4alkylthio, unsubstituted or substituted amino or an N-heterocycle which may contain further hetero atom(s), are suitable for the dyeing of an extremely wide variety of fibre materials, especially cellulosic fibre materials, and yield dyeings having good allround fastness properties.
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