| abstract |
Reactive dyes of the formula (1)in whichR1, R2, R3 and R4 independently of one another are hydrogen or substituted or unsubstituted C1-C4alkyl,(R5)0-2 and (R6)0-2 independently of one another are 0 to 2 identical or different substituents from the group consisting of C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, halogen, carboxyl, sulfo, carbamoyl, N-C1-C4alkylcarbamoyl, N,N-di-C1-C4alkylcarbamoyl, C1-C4alkylsulfonyl, sulfamoyl, N-C1-C4alkylsulfamoyl and N,N-di-C1-C4alkylsulfamoyl,A is hydrogen or C1-C4alkyl which is unsubstituted or substituted by hydroxyl, sulfo, carboxyl or sulfato, phenyl or naphthyl which are unsubstituted or substituted by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, hydroxyl, carboxyl, carbamoyl, sulfo or halogen, phenyl-C1-C4alkylene which is unsubstituted or substituted in the phenyl ring by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, hydroxyl, carboxyl, sulfo, carbamoyl, ureido or halogen, or C5-C7cycloalkyl which is unsubstituted or substituted by C1-C4alkyl,B1 is an aliphatic or aromatic bridge member, and the remaining substituents are described in the specification. |