Production of novel phosphane ligands and use in catalytical reactions

US7148176B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Andreas Ehrentraut, deceased · Rostock, DE
• Christa Fuhrmann · Rostock, DE
• Alexander Zapf · Rosenheim, DE
• Matthias Beller · Ostseebad Nienhagen, DE

Key dates

• Filing date: Jul 27, 2001
• Grant date: Dec 12, 2006
• Expiry date: Apr 7, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2603/74
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention is directed to phosphine ligands and the use of such ligands in catalytic complexes with transition metals. The catalysts may be used in a variety of reactions and are especially useful for refining halogenoaromatics.