Triphendioxazine vinyl sulphone dyestuffs

Details Triphendioxazine vinyl sulphone dyestuffs Triphendioxazine vinyl sulphone dyestuffs

C - Chemistry, Metallurgy

09

B

8/31.07, 260/244

C09B 19/02 (2006.01) C09B 62/503 (2006.01) D06P 1/00 (2006.01)

Patent

CA 1241328

ABSTRACT OF THE DISCLOSURE The present invention relates to a triphendioxazine dye- stuff of the general formula I (I) Image wherein R1 and R2 are each independently H, F, C1, Br, C1-C4- alkyl, C1-C4-alkoxy, phenoxy, C1-C4-alkylcarbonylamino, benzoylamino or carboxamido; X is NR3, O or S; R3 is H, C1-C4-alkyl, C1-C4-alkyl substituted by SO3H, OSO3H, COOH, OH or OCH3; Y is C2-C6 alkylene, C2-C6-alkylene substituted or inter- rupted in the alkylene chain by OSO3H, O, SO2, NH, S or -NCH3; Z is -CH = CH2 or -CH2-CH2-W wherein W is -OSO3H, -SSO3H, -OPO3H2, -OC1-C4-alkyl-carbonyl and wherein the -SO2Z radicals are in the o-position relative to the -X-Y-OSO3H group. These dyestuffs produce blue to reddish blue dyeings of good light and wet fastness on cellulose and polyamide materials. The new dyestuffs are obtained by oxidative cyclization of condensation products of appropriately substituted amines of the formula Image with 1,4-benzoquinones.

473856

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