3-flavone carboxylic acid compounds

US5013852A · kind A · utility

Assignee

• Kali-Chemie Pharma GmbH · DE

Inventors

• Rainer Walenta · Großburgwedel, DE
• Reiner Muller-Peddinghaus · Bensberg, DE
• Ivan Ban · Hannover, DE
• Michael Wurl · Garbsen, DE
• Ulf Preuschoff · Laatzen, DE

Key dates

• Filing date: May 18, 1989
• Grant date: May 7, 1991
• Expiry date: May 18, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D405/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Flavone-3-carboxylic acid compounds corresponding to the Formula I: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 represent hydrogen, lower alkyl, halogen, hydroxy, or etherified or esterified hydroxy, and Z-R.sup.6 stands for a basically substituted alkoxy or amino group, as well as processes and intermediate products for their production. The compounds exhibit inflammation-inhibiting pharmacological activity.