Process for the preparation of manganese complexes of salen compounds

US6794526B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Gerhard Beck · Frankfurt am Main, DE
• Claus Korhummel · Weil am Rhein, DE
• Hanspeter Baier · Weil am Rhein, DE
• Frank Bachmann · Glückstadt, DE
• Cornelia Makowka · Laufenbürg, DE
• Reiner Linde · Oberwil, CH
• Bernd Kirrmann · Rheinfelden (Baden), DE

Key dates

• Filing date: Jan 2, 2003
• Grant date: Sep 21, 2004
• Expiry date: Jan 2, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F13/005
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of manganese complexes of salen compounds which comprises carrying out the reaction of a salen compound with a manganese compound in DMF is described. In a preferred embodiment, the salen compound itself is synthesised likewise in DMF and reacted without intermediate isolation to form the manganese complex.