4,5-bis(aryl) 4H-1,2,4-triazoles derivatives and analgesic use

US5278180A · kind A · utility

Assignee

• Roussel Uclaf · FR

Inventors

• Francois Clemence · Paris, FR
• Claudine Maushart · Le Raincy, FR
• Philippe Mackiewicz · Livry-Gargan, FR
• Francoise Delevallee · Fontenay-sous-Bois, FR

Key dates

• Filing date: May 4, 1992
• Grant date: Jan 11, 1994
• Expiry date: May 4, 2012

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D249/08
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A novel process for the preparation of 4H-1,2,4-triazoles in their racemic or optically active forms of the formula ##STR1## wherein the compounds have analgesic activity.