Monoazo dyestuffs containing diazo component substituted by disulfimide and trifluoromethyl groups

US4243584A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Richard Sommer
• Gerhard Wolfrum · Waldershof, DE
• Gerhard Buttner

Key dates

• Filing date: Jun 27, 1978
• Grant date: Jan 6, 1981
• Expiry date: Jun 27, 1998

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B29/36
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Monoazo dyestuffs of the formula ##STR1## wherein R.sub.1 represents an aromatic radical, an aliphatic radical with 1-4 C atoms or a dialkylamino radical, in which the alkyl groups contain 1-C atoms, R.sub.2 represents hydrogen, halogen, alkyl with 1-C atoms, alkoxy with 1-4 C atoms or trifluoromethyl, R.sub.3 represents hydrogen, halogen, alkyl with 1-4 C atoms, alkoxy with 1-4 C atoms or trifluoromethyl and K represents the radical of a coupling component K-H of the formulae (II), (III) and (IV) ##STR2## wherein R.sub.4 represents alkyl with 1-4 C atoms or aryl, PA0 R.sub.5 represents hydrogen or unsubstituted alkyl with 1-4 C atoms, PA0 R.sub.6 represents hydrogen, nitrile, halogen, alkyl with 1-4 C atoms or alkoxy with 1-4 C atoms, PA0 R.sub.7 represents hydrogen, alkyl with 1-4 C atoms, aryl, a carboxylic acid ester group or a carboxylic acid amide group, PA0 R.sub.8 represents hydrogen, alkyl, cycloalkyl, aryl or the radical of a heterocyclic compound, PA0 R.sub.9 represents hydrogen, halogen, alkyl with 1-4 C atoms, alkoxy with 1-4 C atoms or acylamino, PA0 R.sub.10 represents hydrogen, halogen, alkyl with 1-4 C atoms, alkoxy with 1-4 C atoms or aryloxy, PA0 R.sub.11 represe…