Water-soluble azo compounds, having a fibre-reactive triazenylamino group

US5200512A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventor

• Uwe Reiher · Hofheim, DE

Key dates

• Filing date: Dec 27, 1991
• Grant date: Apr 6, 1993
• Expiry date: Dec 27, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/085
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

There are described azo compounds which possess fiber-reactive groups and have valuable dye properties and are capable of dyeing hydroxy- and/or carboxamido-containing materials, in particular fiber materials, such as cellulose fibers and natural and synthetic polyamide such as wool, in strong, fast shades. They conform to the formula (1) ##STR1## where D is phenyl or naphthyl which are each substituted, at least one of these substituents being a water-solubilizing group or containing a water-solubilizing group; PA0 Y is fluorine, chlorine or a group of the formula EQU --A--R PA0 where PA1 A is oxygen or the group NH and PA1 R is hydrogen, cycloalkyl or alkyl which may be interrupted by one or two hetero groups, or is benzyl, sulfomethyl, .beta.-sulfoethyl or cyano; PA0 X is fluorine, chlorine or a group conforming to the formula --NH--B, where PA1 B is a group of the formula (3a), (3b) or (3c) ##STR2## where alk is alkylene which may be interrupted by one or two hetero groups, PA2 Z is a vinyl or an ethyl group which is substituted in the .beta.-position by a substituent which is eliminable by means of alkali to form a vinyl group, PA2 R.sup.1 is hydrogen, carboxy, sulfo or a grou…