Is a
Patent attributes
Patent Applicant
0
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Igor Likhotvorik0
Joseph J. Lisowski0
Date of Patent
September 20, 2005
0Patent Application Number
108515280
Date Filed
May 21, 2004
0Patent Primary Examiner
Patent abstract
A one-pot process for preparing opioid analgesics such as hydrocodone, hydromorphone, and analogues thereof by reacting codeine, morphine, and analogues thereof with hydrogen in a solvent system of benzophenone and neutral solvent in the presence of a metal catalyst followed by oxidation in the presence of potassium tert-alkylate.
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