2-Tetrahydrofurfuryl-5-(methyl or phenyl)-9.beta.-methyl-2'-oxy-6,7-benzomorphans and salts thereof

US3982005A · kind A · utility

Assignee

• Boehringer Ingelheim GmbH · DE

Inventors

• Herbert Merz · Ingelheim am Rhein, DE
• Adolf Langbein
• Gerhard Walther · Bingen, DE
• Klaus Stockhaus

Key dates

• Filing date: Jul 30, 1975
• Grant date: Sep 21, 1976
• Expiry date: Jul 30, 1995

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##SPC1## Wherein R.sub.1 is methyl or phenyl, and PA1 R.sub.2 is hydrogen, methyl or acetyl, and non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful as analgesics.