Isothiazolylazo dyes having aminophenyl and aminonaphthyl compon

Details Isothiazolylazo dyes having aminophenyl and aminonaphthyl compon Isothiazolylazo dyes having aminophenyl and aminonaphthyl compon

1983-01-25

1988-08-16

Higel, Floyd D.

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

Organic compounds

Azo

534733, 534778, 534793, 534794, 534795, 534887, C09B 29042, C09B 2909, D06P 118, D06P 354

Patent

active

047646004

ABSTRACT:
An isothiazolylazo dye of the formula I ##STR1## wherein R is an alkyl group or unsubstituted aryl or substituted aryl group selected from the group consisting of ##STR2## and K is a radical of the formula ##STR3## where B is C.sub.1 -C.sub.4 alkyl or a substituted amino radical selected from the group consisting of ##STR4## R.sup.1 is hydrogen, methyl, methoxy or ethoxy, R.sup.2 and R.sup.3 independently of one another are each unsubstituted C.sub.1 -C.sub.4 alkyl or substituted alkyl groups selected from the group of C.sub.1 -C.sub.4 alkyls which are substituted by chlorine, bromine, cyano, hydroxyl, C.sub.1 -C.sub.4 -alkoxy, benzyloxy, phenoxy, phenyl, C.sub.1 -C.sub.4 -alkylcarbonyloxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, phenoxy or phenyl, phenycarbonyloxy which is unsubstituted or substituted by chlorine, bromine, methoxy, ethoxy, methyl or ethyl, oxycarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, C.sub.1 -C.sub.4 -alkoxycarbonyloxy, carbamyl, phenalkyloxycarbonyloxy, phenoxyalkyloxycarbonyloxy, C.sub.1 -C.sub.4 -alkoxyalkoxycarbonyloxy, phenylaminocarbonyloxy which is unsubstituted or substituted by chlorine, methoxy or methyl, C.sub.1 -C.sub.4 -alkoxyalkoxycarbonyl, phenylalkyloxycarbonyl or C.sub.1 -C.sub.4 -alkylaminocarbonyloxy which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, chlorine or bromine; or R.sup.3 is hydrogen, R.sup.4 is a radical of the formula --A--OCO--Y--R, Z is hydrogen or methyl, X is hydrogen, methyl, methoxy, chlorine or an acylamino radical selected from the group consisting of A is C.sub.2 - or C.sub.3 -alkylene and Y is --O-- or --NH--. The dyes are very useful for dyeing cellulose esters and synthetic polyesters; the dyeings obtained are from yellow to blue, and very fast.

REFERENCES:
patent: 2771466 (1956-11-01), Towne et al.
patent: 3997520 (1976-12-01), Altermatt
patent: 4225490 (1980-09-01), Entschel et al.
patent: 4324899 (1982-04-01), Frishberg
patent: 4330467 (1982-05-01), Fleischer et al.
patent: 4354970 (1982-10-01), Fleischer et al.
patent: 4374768 (1983-02-01), Fleischer et al.
patent: 4382801 (1983-05-01), Loew

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