Process for synthesis of enantiomerically enriched &bgr;-amino acids

US6492544B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Hans-Peter Krimmer · Burgkirchen an der Alz, DE
• Karlheinz Drauz · Alzenau, DE
• Jutta Lang · Alzenau, DE
• Armin Boerner · Rostock, DE
• Detlef Heller · Rostock, DE
• Jens Holz · Kessin, DE

Key dates

• Filing date: Jan 11, 2002
• Grant date: Dec 10, 2002
• Expiry date: Jan 11, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Enantiomerically enriched N-acylated &bgr;-amino acids are synthesized by catalytic enantioselective hydrogenation of E-isomers and Z-isomers of 3-amino acrylic acid derivatives in the presence of a catalysts of formula (I)