Substituted 1,2,3,4-oxatriazolium-5-olates, a process for their preparation and their use

US5091398A · kind A · utility

Assignee

• Cassella Aktiengesellschaft · DE

Inventors

• Karl Schonafinger · Alzenau, DE
• Helmut Bohn · Schöneck, DE
• Rudi Beyerle · Frankfurt, DE
• Melitta Just · Langen, DE

Key dates

• Filing date: Apr 6, 1990
• Grant date: Feb 25, 1992
• Expiry date: Apr 6, 2010

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P9/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The 1,2,3,4-oxatriazolium-5-olates of the formula I ##STR1## in which R.sup.1 denotes, for example, (C.sub.2 to C.sub.4)alkyl, PA1 R.sup.2 and R.sup.3 denotes (C.sub.1 to C.sub.4)alkyl have useful pharmacological properties.