Preparation of alkyl pyruvates

US4229590A · kind A · utility

Assignee

• BASF SE

Inventors

• Christian Dudeck
• Gunter Lehmann · Ludwigshafen, DE
• Bernd Meissner · Heidelberg, DE
• Hans Diem · Mannheim, DE
• Werner Fliege
• Norbert Petri · Bischofswerda, DE
• Karl-Heinz Ross · Grünstadt, DE

Key dates

• Filing date: Feb 8, 1979
• Grant date: Oct 21, 1980
• Expiry date: Feb 8, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C69/716
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Alkyl pyruvates are prepared by oxidizing alkyl lactates in the presence of a silver catalyst of a defined particle size, at from 450.degree. to 700.degree. C. The products are starting materials for the preparation of drugs, synthetic resins and plastics.