Patent · US Expired

N-[(Methoxymethyl-furyl)-methyl]-morphinans or -6,7-benzomorphans and salts thereof

US3981874A · kind A · utility

12Cited by

3References

6Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

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

Key dates

Filing date	Oct 15, 1974
Grant date	Sep 21, 1976
Priority date	—
Expiry date	Oct 15, 1994

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Compound of the formula ##SPC1## Wherein PA1 R.sub.1 and R.sub.2, which may be identical to or different from each other, are each hydrogen or alkyl of 1 to 3 carbon atoms, PA1 R.sub.3 is hydrogen or methyl, PA1 R.sub.4 is ##SPC2## PA1 R.sub.5 is hydrogen, methyl or acetyl, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as their salts are useful as analgesics.

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