Patent · US Expired

N-(heteroaryl-methyl)-7.alpha.-acyl-6,14-(endoetheno or endoethano)-tetrahydro-nororipavines or-thebaines and salts thereof

US3931187A · kind A · utility

9Cited by

4References

6Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

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

Key dates

Filing date	Jun 13, 1973
Grant date	Jan 6, 1976
Priority date	—
Expiry date	Jun 13, 1993

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Compounds of the formula ##SPC1## Wherein PA1 R is hydrogen, methyl or acetyl, PA1 R.sub.1 is methyl, phenyl, or hydrogen, PA1 Z is --CH=CH-- or --CH.sub.2 --CH.sub.2 --, PA1 Y is oxygen or sulfur, and PA1 R.sub.3 is hydrogen or methyl, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as analgesics and antitussives.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.