Patent · US Expired

Methyllevallorphanium salts having peripheral opiate antagonistic activity

US4735947A · kind A · utility

0Cited by

3References

14Claims

0Family size

Assignee

Sanofi · FR

Inventors

Alberto Bianchetti · Milano, IT
Dino Nisato · Pavia, IT
Luciano Manara · Alessandria, IT
Roberto Sacilotto · Milano, IT

Key dates

Filing date	Feb 4, 1986
Grant date	Apr 5, 1988
Priority date	—
Expiry date	Feb 4, 2006

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/30
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Methyllevallorphanium salts having peripheral antagonistic activity of formula ##STR1## wherein Y.sup.n(-) represents the anion a pharmaceutically acceptable acid other than halogen and n represents the number of negative charges of said anion; a process for their preparation by exchange of the halogen ion with the Y.sup.n(-) anion; and pharmaceutical compositions containing them as active ingredients.

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