Non-azo and azo compounds containing at least one 4,6-diamino-1-substituted-5-substituted carbamoylpyrid-2-one group

US4634764A · kind A · utility

Assignee

• Sandoz AG · CH

Inventor

• Manfred Greve · Dornach, CH

Key dates

• Filing date: Nov 10, 1983
• Grant date: Jan 6, 1987
• Expiry date: Nov 10, 2003

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D21H21/28
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein each R is independently --N(R.sub.1).sub.2, --N.sup..sym. (R.sub.2).sub.3 A.sup..crclbar. or hydroxy, wherein PA2 each R.sub.1 is independently hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or aryl or PA2 both R.sub.1 's taken together and with the nitrogen atom to which they are attached form a 5- or 6-membered saturated heterocyclic ring, PA2 each R.sub.2 is independently alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or aryl or PA2 two R.sub.2 's taken together and with the nitrogen atom to which they are attached form a 5- or 6-membered saturated heterocyclic ring or PA2 all three R.sub.2 's taken together and with the nitrogen atom to which they are attached form a 5- or 6-membered unsaturated heterocyclic ring, and PA2 A.sup..crclbar. is a non-chromophoric anion, PA1 each T is independently a bridging radical, and PA1 Z is hydrogen or --N.dbd.N--D, wherein D is a diazo component radical, are dyes useful for the dyeing of for example, paper, leather, cellulosic materials such as cotton and textiles comprising polyacrylonitrile or polyamides or polyesters modified to contain anionic groups. Polymer…