Bisphosphines as catalysts for asymmetric reactions

US5801261A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Christian Laue · Monheim, DE
• Georg Schroder · Leverkusen, DE
• Dieter Arlt · Cologne, DE

Key dates

• Filing date: Oct 17, 1997
• Grant date: Sep 1, 1998
• Expiry date: Oct 17, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F15/008
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to enantiomerically pure bisphosphines of the general formula (I) ##STR1## where R is as defined in the description, a process for their preparation and their use in metal complexes as catalysts for asymmetric reactions, in particular asymmetric hydrogenations.