| 摘要 |
<p>Reactive dyes of the formula (1) wherein one Y is hydrogen and the other Y is sulfo, R1 and R2 are hydrogen or the group -N(R1)-A-N(R2)- is a piperazine radical, A is C2-6-alkylene, cyclohexylene or phenylene unsubstituted or substituted by one or more halogen atoms, alkyl groups of 1 to 4 carbon atoms, alkoxy groups of 1 to 4 carbon atoms, acylamino groups or 1 to 6 carbon atoms, ureido, nitro, carboxyl and sulfo groups, with the proviso that A as a phenylene radical does not contain more than 1 sulfo group, and Z is an amino, alkoxy or alkylthio group, and the benzene ring B can contain as further substituents in addition to the -SO3H group, one or more halogen, nitro, acetylamino, methyl, cyano, carboxyl and sulfo groups.</p> |
