6-Hydroxy-2-phenyl-imidazo[4,5-b]pyridines and salts thereof

US4353909A · kind A · utility

Assignee

• Dr. Karl Thomae GmbH · DE

Inventors

• Willi Diederen
• Axel Prox · Biberach, DE
• Albert Reuter · Biberach, DE
• Willy Roth · Strengelbach, CH
• Jochen Schmid · Warthausen, DE

Key dates

• Filing date: Sep 24, 1981
• Grant date: Oct 12, 1982
• Expiry date: Sep 24, 2001

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P9/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein R is methylsulfinyl or methylsulfonyl, their 3H-tautomers, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds are useful as cardiotonics.