Process for isomerizing CIS-2-pentenenitrile to 3-pentenenitriles

US8530690B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Hermann Luyken · Ludwigshafen, DE
• Peter Pfab · Schwarzheide, DE
• Robert Baumann · Mannheim, DE
• Andreas Leitner · New Castle, US
• Tobias Aechtner · Mannheim, DE

Key dates

• Filing date: Apr 7, 2011
• Grant date: Sep 10, 2013
• Expiry date: Nov 26, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C253/34
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for isomerizing cis-2-pentenenitrile to 3-pentenenitriles, by isomerizing cis-2-pentenenitrile with amidines, tertiary amines or mixtures thereof as a catalyst at temperatures of 80 to 200° C. and a pressure of 0.01 to 50 bar.