Isothiazolylazo dyes having aminophenyl and aminonaphthyl components

US4960874A · kind A · utility

Assignee

• BASF SE

Inventors

• Udo Bergmann · Darmstadt, DE
• Johannes D. Dix · Schifferstadt, DE
• Guenter Hansen · Ludwigshafen, DE
• Ernst Schefczik
• Guenther Seybold · Schifferstadt, DE

Key dates

• Filing date: Jul 1, 1988
• Grant date: Oct 2, 1990
• Expiry date: Jul 1, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S534/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the general formula I ##STR1## where R is alkyl or unsubstituted or substituted aryl and K is a radical of the formula ##STR2## B is C.sub.1 -C.sub.4 -alkyl or substituted amino, R.sup.1 is hydrogen, methyl, methoxy or ethoxy, R.sup.2 and R.sup.3 independently of one another are each unsubstituted or substituted alkyl, R.sup.3 may furthermore be 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 acylamino, A is C.sub.2 - or C.sub.3 -alkylene and Y is --O-- or --NH--, are very useful for dyeing cellulose esters and synthetic polyesters.