.alpha.-methine substituted thiophene monoazo dye

Details .alpha.-methine substituted thiophene monoazo dye .alpha.-methine substituted thiophene monoazo dye

1985-07-24

1987-05-26

Higel, Floyd D.

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

Organic compounds

Azo

534573, 534588, 534640, 534753, 534766, 534768, 534769, 534774, 534775, 534777, 534778, 534779, 534791, 534794, C09B 29033, C09B 2909, C09B 29095, C09B 2936

Patent

active

046687750

ABSTRACT:
A compound of the formula: ##STR1## wherein K is a radical of a coupling component, R is a radical of a methylene-active compound, X is hydrogen or unsubstituted or substituted alkyl, aryl, or hetaryl and Y is cyano, nitro, alkanoyl, aroyl, alkylsulfonyl, arylsulfonyl, carboxyl, a carboxylic ester group or unsubstituted or substituted carbamyl. The present compound is useful for the dyeing of polyesters, nylons, cellulose esters and blends of polyesters and cellulose fibers.

REFERENCES:
patent: 4219475 (1980-08-01), Frishberg
patent: 4264495 (1981-04-01), Maher et al.
patent: 4505857 (1985-03-01), Egli
patent: 4507407 (1985-03-01), Kluger et al.
patent: 4554348 (1985-11-01), Gourley

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