Bisphosphines for asymmetric hydrogenation catalysts

US5510503A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

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

Key dates

• Filing date: Sep 2, 1994
• Grant date: Apr 23, 1996
• Expiry date: Sep 2, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/65517
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to novel enantiomerically pure bisphosphines of the general formula (I) ##STR1## in which R, R.sup.1 and R.sup.2 have the meanings given in the description, a process for the preparation thereof and the use thereof in metal complexes as catalysts for asymmetric hydrogenations.