Patent · US Expired

Method for the catalytic production of hydrocodone and hydromorphone

US7323565B2 · kind B2 · utility

6Cited by
16References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 2003
Grant dateJan 29, 2008
Priority date
Expiry dateNov 1, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D489/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A method for the catalytic conversion of codeine, morphine or analogs thereof into hydrocodone, hydromorphone or analogs thereof utilizing a transition metal complex of a tertiary phosphine halide as catalyst.

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