Ruthenium hydrogenation catalysts

US5689003A · kind A · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Richard P. Beatty · Newark, US
• Rocco Paciello · Bad Dürkheim, DE

Key dates

• Filing date: May 8, 1996
• Grant date: Nov 18, 1997
• Expiry date: May 8, 2016

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/96
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a novel ruthenium complex having the formula Ru(.eta..sup.3 --C.sub.6 H.sub.8 --PCy.sub.2)(PCy.sub.3)Cl, wherein Cy is cyclohexyl; its use in the preparation of RuHCl(H.sub.2)(PCy.sub.3).sub.2 and RuH.sub.2 (H.sub.2).sub.2 (PCy.sub.3).sub.2 ; and the use of the complexes as catalysts in hydrogenation, imination and reductive hydrolysis processes.