Novel dichloromaleic acid diamide derivatives and their use as fungicides

US4246279A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Gerhard Bonse · Neunburg vorm Wald, DE
• Heinz U. Blank · Odenthal, DE
• Wilhelm Brandes · Leichlingen, DE
• Paul Volker · Andover, US

Key dates

• Filing date: Jan 31, 1979
• Grant date: Jan 20, 1981
• Expiry date: Jan 31, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D309/20
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dichloromaleic acid diamides of the formula ##STR1## in which R represents an optionally substituted aliphatic radical with up to 8 carbon atoms, a cycloalkyl radical with 3 to 6 carbon atoms or a substituted phenyl radical, which possess fungicidal properties, are produced by reacting a dichloromaleic halide of the formula ##STR2## in which X is halogen, with an amine of the formula EQU H.sub.2 N--R in a diluent and in the presence of an acid-binding agent.