Cephalosporins and pharmaceutical compositions

US4370327A · kind A · utility

Assignee

• Boehringer Ingelheim GmbH · DE

Inventors

• Bernd Wetzel · Biberach an der Riß, DE
• Eberhard Woitun · Biberach an der Riß, DE
• Wolfgang Reuter
• Roland Maier · Biberach an der Riß, DE
• Uwe Lechner · Biberach an der Riß, DE
• Hanns Goeth · Biberach an der Riß, DE

Key dates

• Filing date: Feb 23, 1981
• Grant date: Jan 25, 1983
• Expiry date: Feb 23, 2001

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention is directed to cephalosporins of the formula ##STR1## and the tautomers thereof, and, when E is a hydrogen atom, the pharmacologically acceptable salts thereof with inorganic or organic bases.