Patent · US Expired

Process for making morphine-6-glucuronide or substituted morphine-6-glucuronide

US6046313A · kind A · utility

6Cited by
1References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 31, 1996
Grant dateApr 4, 2000
Priority date
Expiry dateJul 31, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07H17/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

##STR1## Morphine-6-glucuronide or substituted morphine-6-glucuronide of formulae (I) is made by conjugation of a glucuronate ester and/or substituted glucuronate ester with morphine or substituted morphine in the presence of a Lewis acid catalyst and in the absence of silver catalysts and barium hydroxide and other heavy metal derivatives.

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