Isothiazolylazo dyes

US4774324A · kind A · utility

Assignee

• BASF SE

Inventors

• Hermann Loeffler · Speyer, DE
• Ernst Schefczik

Key dates

• Filing date: Mar 7, 1986
• Grant date: Sep 27, 1988
• Expiry date: Mar 7, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B29/0081
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the general formula I ##STR1## where X is unsubstituted or substituted alkyl, cycloalkyl, aralkyl or aryl, Y is chlorine, bromine, carbamyl or cyano, Z is hydrogen, carbamyl, cyano or acetyl, R is hydrogen or C.sub.1 -C.sub.3 -alkyl, R.sup.1 and R.sup.3 independently of one another are each hydrogen or unsubstituted or substituted alkyl, alkenyl, cycloalkyl, aralkyl or aryl, R.sup.2 is hydrogen or unsubstituted or substituted alkyl and R.sup.1 and R.sup.2, together with the nitrogen atom, form a saturated 5-membered or 6-membered ring, are particularly useful for dyeing textile fibers.