8-Halo-6-phenyl-4H-s-triazolo (3,4-c) thieno 1,4-diazepin-1-ones

US4333944A · kind A · utility

Assignee

• Boehringer Ingelheim GmbH · DE

Inventors

• Karl-Heinz Weber · Gau-Algesheim, DE
• Adolf Langbein
• Erich Lehr · Waldalgesheim, DE
• Karin Boke · Ingelheim am Rhein, DE
• Franz J. Kuhn · Gau-Algesheim, DE

Key dates

• Filing date: Feb 10, 1981
• Grant date: Jun 8, 1982
• Expiry date: Feb 10, 2001

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/26
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein R.sub.1 is chlorine, bromine or iodine, PA1 R.sub.2 is hydrogen or halogen, and PA1 R.sub.3 is hydrogen, lower alkyl or hydroxy-lower alkyl, or when R.sub.3 is hydrogen, an alkali metal salt thereof; the compounds and their salts are useful as anxiolytics, anticonvulsives and sedatives.