Water-soluble monoazo compounds containing a N-(sulfoalkyl)-aniline coupling component and a fiber-reactive group of the vinylsulfonyl series in the phenyl or benzothiazole diazo component, suitable as fiber-reactive dyestuffs

US4652634A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Peter Mischke
• Hermann Fuchs

Key dates

• Filing date: Jan 15, 1986
• Grant date: Mar 24, 1987
• Expiry date: Jan 15, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/51
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A water-soluble azo compund of formula ##STR1## in which Y is vinyl or --CH.sub.2 --CH.sub.2 --Z in which Z is chlorine, bromine, fluorine, lower alkanoyloxy, benzoyloxy, sulfobenzoyloxy, benzenesulfonyloxy, toluenesulfonyloxy, lower alkylsulfonylamino, arylsulfonylamino, phenoxy, dialkylamino, each alkyl being of from 1 to 4 carbon atoms, thiosulfato, phosphato or sulfato; PA1 n is the number zero or 1; PA1 D is phenylene unsubstituted or substituted by one or two substituents selected from the group consisting of lower alkyl, lower alkoxy, hydroxy, lower alkanoylamino, chlorine, bromine, fluorine and carboxy; by one nitro substituent; by one sulfo substituent; by one substituent of the formula Y--SO.sub.2 --(CH.sub.2).sub.n -- in which n is 1; by a plurality of substituents selected from the group consisting of said one or two substituents, said one nitro substituent, said one sulfo substituent and said one substituent of the formula Y--SO.sub.2 --(CH.sub.2).sub.n --; or naphthylene substituted or mono- or disubstituted by sulfo; or the benzothiazol-2-yl radical in which the group Y--SO.sub.2 --(CH.sub.2).sub.n -- is bonded to its carbocyclic ring, or said radical in which the be…