4-(2'-Fluoro-4-biphenylylr-4-oxo-butyric acid and esters and salts thereof

US3997589A · kind A · utility

Assignee

• Boehringer Ingelheim GmbH · DE

Inventors

• Ernst Seeger · Biberach, DE
• Wolfhard Engel
• Josef Nickl
• Helmut Teufel

Key dates

• Filing date: Jan 23, 1975
• Grant date: Dec 14, 1976
• Expiry date: Jan 23, 1995

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C57/58
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein R is hydrogen or alkyl of 1 to 4 carbon atoms, and, when R is hydrogen, non-toxic salts thereof formed with an inorganic or organic base; the compounds as well as the salts are useful as antiphlogistics and antiproliferatives.