Benzofuranyl-and-thiophenyl-alkanecarboxyclic acid derivatives

US5504213A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Rüdiger Fischer · Pulheim, DE
• Gabriele Braunlich · Wuppertal, DE
• Klaus-Helmut Mohrs · Wuppertal, DE
• Rudolf Hanko · Düsseldorf, DE
• John-Edward Butler-Ransohoff · Wuppertal, DE
• Mazen Es-Sayed · Langenfeld, DE
• Graham Sturton · Maidenhead, GB
• Steve Tudhope · Windsor, CA
• Trevor S. Abram · Marlow, GB
• Wendy J. McDonald-Gibson · Wallingford, GB

Key dates

• Filing date: Apr 29, 1994
• Grant date: Apr 2, 1996
• Expiry date: Apr 29, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D413/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The Benzofuranyl- and -thiophenyl-alkane-carboxylic acid derivatives are prepared Tby cyclisation of hydroxy acetophenones and related compounds or by Wittig-reaction of benzofuranyl aldehydes. The compounds can be used to prepared medicaments.