Fiber reactive anthraquinone dyes

Details Fiber reactive anthraquinone dyes Fiber reactive anthraquinone dyes

1993-06-14

1995-04-25

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25152, C07D25170

Patent

active

054099161

ABSTRACT:
Fiber reactive dyes of the anthraquinone type which provide brilliant violet colors without metal complexing. These dyes may be represented by the formula: ##STR1## wherein W is selected from NR.sub.2 and oxygen;
R is independently selected from hydrogen, C.sub.1 -C.sub.6 alkyl;
C.sub.1 -C.sub.6 alkoxy, sulfo and carboxy;
R.sub.1 is selected from hydrogen, C.sub.1 -C.sub.6 alkyl and phenyl;
R.sub.2 is selected from hydrogen and C.sub.1 -C.sub.6 alkyl;
R.sub.3 is selected from hydrogen, and C.sub.1 -C.sub.4 alkyl;
n is an integer of 1 or 2; and
Y is CH.dbd.CH.sub.2, or CH.sub.2 CH.sub.2 Z wherein Z is a group capable of being split off by the action of an alkali reagent.

REFERENCES:
patent: 5112971 (1992-05-01), Akahori et al.
patent: 5227475 (1993-07-01), Buch et al.

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