Reactive dyes, processes for their production and use thereof

Details Reactive dyes, processes for their production and use thereof Reactive dyes, processes for their production and use thereof

C - Chemistry, Metallurgy

09

B

8/21.2, 260/167.

C09B 62/012 (2006.01) C09B 62/04 (2006.01)

Patent

CA 1123429

Abstract of the Disclosure Reactive dyes of the formula Image (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.

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