Triphendioxazine reactive dyestuffs

Details Triphendioxazine reactive dyestuffs Triphendioxazine reactive dyestuffs

C - Chemistry, Metallurgy

09

B

260/244.75

C09B 19/02 (2006.01) C09B 62/503 (2006.01)

Patent

CA 1240678

Abstract Dyestuffs of the formula Image wherein Image or Image where T1 and T2 are each H, Cl, Br, F, C1-C4-alkoxy C1-C4-alkyl, or phenyl or phenoxy optionally substituted by Cl, CH3, C2H5, OCH3 or OC2H5 and wherein the benzene rings D and the naphthalene rings being optionally further substituted by Cl, Br, CH3, C2H5, OCH3, OC2H5 or COOH and wherein X is O, NR, S B is -CH=CH2 or -CH2CH2Z wherein Z is a detachable group, and wherein W1 is, for example, a direct bond, phenylene-C1-C6- alkylene or C1-C6-alkylenenaphthalene, W2 is an aliphatic, araliphatic or aromatically carbocyclic bridge member, E is, for example, SO3H, COOH or an optionally substituted sulphonamide, a is 0 to 2 and b is 0 to 2, a + b being 0 or 2, are highly suitable for dyeiny and printing hydroxyl- or amide-containing materials. They produce bright dyeings and prints having good fastness properties.

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