Process for the preparation of bistrifluoromethylbenzylamines

US6137011A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Albrecht Marhold · Leverkusen, DE
• Ernst Kysela · Bensberg, DE

Key dates

• Filing date: Feb 25, 2000
• Grant date: Oct 24, 2000
• Expiry date: Feb 25, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C209/48
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Bistrifluoromethylbenzylamines are obtained in a simple manner in high purities and with good yields by catalytic hydrogenation of the corresponding bistrifluoromethylbenzonitriles if the process is carried out in the presence of Raney cobalt, at least one aliphatic ether and ammonia.