Azo dyes having a 3-cyano- or 3-carbamoyl-2,6-diamino-pyridine coupling component

US4146535A · kind A · utility

Assignee

• BASF SE

Inventors

• Johannes Dehnert · Ludwigshafen, DE
• Gunther Lamm · Haßloch, DE
• Werner Juenemann · Bad Dürkheim, DE
• Guenter Meyer · Ludwigshafen, DE

Key dates

• Filing date: Oct 1, 1976
• Grant date: Mar 27, 1979
• Expiry date: Oct 1, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B31/153
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dye formulations for dyeing and printing cellulose and cellulosic textile material which in addition to conventional components contain a dye of the general formula (I): ##STR1## in which D is the radical of a diazo component; R is hydrogen, C.sub.1 to C.sub.7 alkyl, phenyl or phenyl bearing methyl as a substituent; X is cyano, carbamoyl or substituted carbamoyl; R.sup.1 is hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical; R.sup.2 is hydrogen or an aliphatic, cycloaliphatic or araliphatic radical; R.sup.3 and R.sup.4 independently of one another have the same meanings as R.sup.1 and R.sup.2 ; and R.sup.1 --n--r.sup.2 and R.sup.3 --N--R.sup.4 independently of one another are saturated heterocyclic radicals.