Continuous method for the production of linear pentene nitriles

US7709675B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Michael Bartsch · Neustadt, DE
• Robert Baumann · Mannheim, DE
• Gerd Haderlein · Bad Kötzting, DE
• Jens Scheidel · Hirschberg, DE
• Tim Jungkamp · Sandhausen, DE
• Hermann Luyken · Ludwigshafen, DE

Key dates

• Filing date: Jan 27, 2005
• Grant date: May 4, 2010
• Expiry date: Jun 1, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C253/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process is described for continuously hydrocyanating 1,3-butadiene in the presence of at least one nickel(0) catalyst with chelate ligands, wherein 1,3-butadiene and hydrogen cyanide are used in a molar ratio of from 1.6:1 to 1.1:1.