Water-soluble cobalt catalysts, process for their preparation and their use as hydro-formylation catalysts in a two-phase system with polyethylene glycol as the polar phase

US5840993A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Uwe Ritter · Göttingen, DE
• Norbert Winkhofer · Göttingen, DE
• Herbert Roesky · Göttingen, DE

Key dates

• Filing date: Feb 26, 1998
• Grant date: Nov 24, 1998
• Expiry date: Feb 26, 2018

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/845
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to cobalt carbonyl catalysts of the formula (I) ##STR1## where R is --CH(CH.sub.2 OCH.sub.2 CH.sub.3).sub.2 or --C.sub.2 H.sub.4 (OCH.sub.2 CH.sub.2).sub.n OY, with n=1 to 12 and Y=H or CH.sub.3, and also a process for their preparation and their use as hydroformylation catalysts.