Process for the production of benzoyl cyanide (IV)

US4144269A · kind A · utility

Assignee

• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Herbert Klenk · Hanau, DE
• Theodor Lussling · Überlingen, DE
• Alfred Maierhofer · Allensbach, DE
• Heribert Offermanns · Hanau, DE
• Hans Wagner

Key dates

• Filing date: Jun 2, 1977
• Grant date: Mar 13, 1979
• Expiry date: Jun 2, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C253/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Benzoyl cyanide is made from benzoyl chloride and an alkali metal cyanide in a two phase system comprising water and an inert organic solvent which has only slight miscibility with water in the presence of a tertiary amine and hydrogen cyanide.