Basic dioxazine compounds

Details Basic dioxazine compounds Basic dioxazine compounds

C - Chemistry, Metallurgy

09

B

8/1, 260/244.75

C09B 19/02 (2006.01) C09B 69/00 (2006.01) D06P 1/00 (2006.01)

Patent

CA 1144166

Abstract Novel dioxazine compounds of the formula Image (I) in which Z is a basic group, which can be quaternised, Y is an anionic group and X and X1 independently of one another are identical or different substituents from the category comprising: hydrogen, halogen, CN, substituted or unsubstituted alkyl (C1-4); substituted or unsub- stituted phenyl; NHCOR1 in which R1 is alkyl (C1-C4), cycloalkyl, substituted or unsubstituted aryl or a hetero- cyclic radical; and OCOR2 in which R2 is substituted or unsubstituted alkyl (C1-C4) or cycloalkyl; or X and X1 are the group Image in which R4 and R5 independently of one another are: hydrogen, substituted or unsubstitu- ted alkyl (C1-C4), cycloalkyl or aryl, or R4 together with R5 and with the inclusion of the N atom forms a heterocyclic ring, or X and X1 are the group COOR6, in which R6 is hydrogen, substituted or unsubstituted alkyl or cycloalkyl; n is a number from 1 to 4 and m is a number from 0 to 2, with the proviso that the number m is smaller than n, and in which the benzo radicals A and A1 can be identical or different and can have one or more further substituents, their preparation and their use as dyes, in particular for dyeing and printing natural and regenerated cellulose materials without the addition of salt, are described.

344817

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