Method for the production of monohydro-perfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates

US7145004B2 · kind B2 · utility

Assignee

• Merck Patentgesellschaft · DE

Inventors

• Nikolai (Mykola) Ignatyev · Duisburg, DE
• Michael Weiden · Darmstadt, DE
• Urs Welz-Biermann · Mannheim, DE
• Udo Heider · Riedstadt, DE
• Peter Sartori · Rheinberg, DE
• Andriy Kucheryna · Wuppertal, DE
• Helge Willner · Neheim, DE

Key dates

• Filing date: Mar 17, 2003
• Grant date: Dec 5, 2006
• Expiry date: Aug 3, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K23/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for the preparation of monohydroperfluoroalkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates which comprises at least the treatment of at least one perfluoroalkylphosphorane with at least one base in a suitable reaction medium.