Carbonylation method by adding secondary sterically hindered amines

US7495134B2 · kind B2 · utility

Assignee

• Evonik Oxeno GmbH · DE

Inventors

• Dieter Hess · Marl, DE
• Dagmara Ortmann · Brig, CH
• Oliver Moeller · Recklinghausen, DE
• Klaus-Diether Wiese · Haltern am See, DE
• Dirk Fridag · Haltern am See, DE
• Wilfried Bueschken · Haltern, DE

Key dates

• Filing date: Jun 2, 2006
• Grant date: Feb 24, 2009
• Expiry date: Jun 2, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2231/321
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The invention relates to a process for reaction of a carbonylatable compound using a metal complex catalyst comprising a metal of transition group VIII and an organophosphorus ligand and in the presence of a stabilizer based on a sterically hindered secondary amine.