Dyestuff quinophthalone derivatives

Details Dyestuff quinophthalone derivatives Dyestuff quinophthalone derivatives

1984-11-19

1986-05-13

Jiles, Henry R.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544 64, 544181, 544198, 544199, 544351, 544363, 546 8, 546 9, 546167, 8566, 8569, C07D40110, C07D41310, C07D41710

Patent

active

045888116

ABSTRACT:
There are described novel cationic quinophthalone compounds of the formula I ##STR1## wherein the symbols have the meanings defined in claim 1, and also processes for producing them. These novel quinophthalone compounds can be used in particular as dyes for dyeing and printing paper, greenish-yellow dyeings having good fastness to water and to light being obtained.

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Patsch et al., C.A., vol. 98, 1983, 98: 199840a, p. 74.
Harms et al., C.A., vol. 94, 1981, 94: 141184r, p. 78.
Athanassios, Tzikas, CA, vol. 94, 1981 94: 141198y, pp. 79 and 80.

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