Process for the preparation of 1-[(1,1'-biphenyl]-4-YL]-methyl-1H-imidazole-5-carboxylic acids

US5527919A · kind A · utility

Assignee

• Roussel Uclaf · FR

Inventors

• Neerja Bhatnagar · Neshanic Station, US
• Jean Buendia · Le Perreux-sur-Marne, FR
• Christine Griffoul · Rosny-sous-Bois, FR
• Holger Heitsch · Hofheim, DE
• Adalbert Wagner · Gersthofen, DE

Key dates

• Filing date: Jan 4, 1994
• Grant date: Jun 18, 1996
• Expiry date: Jan 4, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D233/90
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A novel process for the preparation of a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are defined in the text.