Metal-free azo compounds containing a vinylsulfonyl group and at least one basic group and 1:1 and 1:2 metal complexes thereof

US4820806A · kind A · utility

Assignee

• Sandoz AG · CH

Inventors

• Werner Baumann · Bogen, DE
• Joseph V. Diest · Binningen, CH
• Herbert Eichenberger · Kaiseraugst, CH
• Max Oppliger · Allschwil, CH

Key dates

• Filing date: Feb 28, 1986
• Grant date: Apr 11, 1989
• Expiry date: Feb 28, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B62/507
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Metal-free monoazo and disazo compounds of the formula EQU CH.sub.2 .dbd.CH--SO.sub.2 --W.sub.1 --D--N.dbd.N--K--(W.sub.2 --Z).sub.n, 1:1 and 1:2 metal complexes of such metallizable metal-free compounds and acid addition salts of such metal-free compounds and 1:1 and 1:2 metal complexes, wherein PA0 D is the radical of a diazo component of the benzene, naphthalene or tetrahydronaphthalene series, PA0 K is the radical of a coupling component of the benzene, naphthalene, pyrazol-5-one, pyridine, pyridone, barbituric acid, quinoline, isoquinoline, benzeneazobenzene, benzeneazonaphthalene, naphthaleneazobenzene, naphthaleneazonaphthalene, tetrahydronaphthaleneazobenzene, tetrahydronaphthaleneazonaphthalene or acetoacetamide series, PA0 W.sub.1 is a direct bond or a divalent bridging radical, PA0 each W.sub.2 is independently a divalent bridging radical, PA0 each Z is independently a water-solubilizing protonatable amino group, a quaternary ammonium group, a hydrazinium group or a ternary sulfonium group, and PA0 n is 1, 2, 3 or 4, are useful for dyeing and printing fibers, threads and textile materials, particularly those containing or consisting of natural or synthetic polyamide, cot…