Preparation of alkenylphosphonic acid derivatives

US6534669B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Jochem Henkelmann · Mannheim, DE
• Katrin Klass · Mannheim, DE
• Jan-Dirk Arndt · Mannheim, DE

Key dates

• Filing date: Nov 1, 2001
• Grant date: Mar 18, 2003
• Expiry date: Nov 1, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/4015
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Alkenylphosphonic acid derivatives are prepared by reacting phosphonic acid derivatives with alkynes in the presence of a metal complex catalyst system comprising(a) nickel and(b) a phosphine having at least two trivalent phosphorus atoms.