Substituted ether or thioether isothiazole azo dyes

Details Substituted ether or thioether isothiazole azo dyes Substituted ether or thioether isothiazole azo dyes

1980-08-11

1983-02-22

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, 260156, C07C10704, C09B 29039, C09B 2906, C09B 2926

Patent

active

043747671

ABSTRACT:
Disclosed are novel azo dyes containing an isothiazole moiety substituted with ether or thioether groups. The dyes produce orange to violet shades on hydrophobic texture fiber including polyesters, polyamides, and cellulose esters and have excellent fastness properties including lightfastness, washfastness and resistance to sublimation. The dyes have the general formula ##STR1## R is lower alkyl or phenyl; X is O or S; R.sub.1 is lower alkyl or substituted lower alkyl, cyclohexyl, phenyl or substituted phenyl; and when X is S, R.sub.1 can be various heterocycles such as pyridyl, pryimidinyl, benzothiazolyl, benzoxazolyl, benzimidazolyl and azolyl radicals;

REFERENCES:
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patent: 3480641 (1969-11-01), Schundehutte et al.
patent: 3491082 (1970-01-01), Weaver et al.
patent: 3657187 (1972-04-01), Weaver et al.
patent: 3816338 (1974-06-01), Weaver et al.
patent: 4041025 (1977-08-01), Maier et al.

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