Cyclopentadienyl, indenyl or fluorenyl substituted phosphine compounds and their use in catalytic reactions

US8618328B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Herbert Plenio · Bensheim, DE
• Christoph Fleckenstein · Ludwigshafen am Rhein, DE
• Renat Kadyrov · Rostock, DE
• Juan Almena · Hanau, DE
• Axel Monsees · Frankfurt, DE
• Thomas Riermeier · Wemding, DE

Key dates

• Filing date: Apr 2, 2012
• Grant date: Dec 31, 2013
• Expiry date: Apr 2, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/824
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Disclosed herein are phosphine compounds represented by the general formula (4):and corresponding phosphonium salts represented by the general formula (4a):Also disclosed are processes for the preparation of these phosphines and phosphonium salts as well as their use as ligands in catalytic reactions.