Process for the preparation of MA

US5316929A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Werner Aretz · Königstein, DE
• Eberhard Ehlers · Hofheim, DE
• Udo Hedtmann · Frankfurt, DE

Key dates

• Filing date: Aug 11, 1993
• Grant date: May 31, 1994
• Expiry date: Aug 11, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C59/60
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for the preparation of MA, which ensures MA production by enzymatic catalysis in glycine/NaOH buffer, and by the use of a phosphate-containing culture medium for Bacillus sp. DSM 4675 and by extraction of the biomass with acetone.