Thiazole and benzothiazole cationic dyes

Details Thiazole and benzothiazole cationic dyes Thiazole and benzothiazole cationic dyes

1971-06-14

1977-04-19

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260158, 2603191, 2603265R, C09B 2908, C09B 2936, D06P 108, D06P 370

Patent

active

040187560

ABSTRACT:
A cationic dye compound of the formula ##STR1## wherein the group ##STR2## represents an unsubstituted or 4 and/or 5-substituted thiazole ring, or an unsubstituted or 6-substituted benzothiazole ring, B represents an indolyl group represented by the formula ##STR3## wherein R.sub.1 represents an alkyl having 1 to 4 carbon atoms, an aralkyl or an aryl, said aryl may have an alkyl having 1 to 2 carbon atoms, an alkoxy having 1 to 2 carbon atoms, a halogen, cyano or nitro, and R.sub.2 represents hydrogen, an alkyl having 1 to 4 carbon atoms, an alkoxyalkyl, an acyloxyalkyl, a haloalkyl, a cyanoalkyl or a carbamoylalkyl, or an anilino group represented by the formula ##STR4## wherein R.sub.3 represents hydrogen, an alkyl having 1 to 2 carbon atoms, an alkoxy having 1 to 2 carbon atoms, a halogen, cyano or nitro, R.sub.4 and R.sub.5 represent individually an alkyl having 1 to 4 carbon atoms, an alkoxyalkyl, an acyloxyalkyl, a cycloalkyl, an aralkyl or an aryl, said aryl may have an alkyl having 1 to 2 carbon atoms, an alkoxy having 1 to 2 carbon atoms, a halogen, cyano or nitro, and n is an integer of 1 or 2, R represents an alkyl having 1 to 4 carbon atoms and Z.sup.- is an anion, which is useful as a red or blue cationic dye for dyeing fibrous materials composed of an acid modified polyacrylonitrile, its copolymer, polyamide or polyester.

REFERENCES:
patent: 3136751 (1964-06-01), Iizuka et al.
patent: 3221006 (1965-11-01), Moore et al.
patent: 3634389 (1972-01-01), Entschel et al.

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