Process for the preparation of phosphanes

US5003108A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Othmar Stelzer · Wuppertal, DE
• Klaus-Peter Langhans · Wuppertal, DE
• Jurgen Svara · Neunburg vorm Wald, DE
• Norbert Weferling · Hürth, DE

Key dates

• Filing date: Dec 11, 1989
• Grant date: Mar 26, 1991
• Expiry date: Dec 11, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/5072
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

For the preparation of phosphanes, phosphane and alkyl halides are reacted in the presence of alkali metal hydroxide solutions and tetraalkylammonium or tetraalkylphosphonium salts as the catalysts.