Disubstituted isothiazole azo dyes containing tetrahydroquinolin

Details Disubstituted isothiazole azo dyes containing tetrahydroquinolin Disubstituted isothiazole azo dyes containing tetrahydroquinolin

1980-03-03

1982-05-18

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, C07C10704, C09B 29039, C09B 2936, C09B 2944

Patent

active

043304672

ABSTRACT:
Disclosed are novel azo dyes containing an isothiazole diazo moiety which may be substituted, and a tetrahydroquinoline coupler which also may be substituted. The dyes produce red to violet shades on, for example, hydrophobic textile fiber including polyesters, polyamides, and cellulose esters and have excellent properties including lightfastness, washfastness and resistance to sublimation, and dye at unusually low energy levels. The dyes have the general formula ##STR1## wherein the various substituents, R.sup.1 through R.sup.9, are selected from a wide variety of groups such as alkyl, --CN, halogen, alkoxy, and the like.

REFERENCES:
patent: 2805218 (1957-09-01), Towne et al.
patent: 2827450 (1958-03-01), Towne et al.
patent: 2839523 (1958-06-01), Towne et al.
patent: 3143540 (1964-08-01), Meen et al.
patent: 4255326 (1981-03-01), Giles et al.
patent: 4271071 (1981-06-01), Clark

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