Method for the hydrocyanation of butadiene

US7538240B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

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

Key dates

• Filing date: Jan 27, 2005
• Grant date: May 26, 2009
• Expiry date: Jun 30, 2026

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 preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene in the presence of at least one catalyst, wherein the reaction is carried out in a loop reactor having external pumped circulation and jet nozzle for driving the internal circulation.