Process for preparing amino acids using amidocarbonylation reaction

US7572937B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Martin Hateley · Aschaffenburg, DE
• Thomas Hauhlner · Bad Orb, DE
• Christoph Weckbecker · Gelnhausen, DE
• Klaus Huthmacher · Gelnhausen, DE
• Dieter Buss · Aschaffenburg, DE

Key dates

• Filing date: May 14, 2005
• Grant date: Aug 11, 2009
• Expiry date: May 14, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C319/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a sequence for the preparation of amino acids, for example alpha amino acids, in particular methionine, by making use of an amidocarbonylation reaction and reuse of the catalyst.