Hydromorphone and hydrocodone compositions and methods for their synthesis

  • US 20030045720A1
  • Filed: 09/27/2002
  • Published: 03/06/2003
  • Est. Priority Date: 11/09/1999
  • Status: Active Grant
First Claim
Patent Images

1. A method of preparing a ketone from a narcotic alkaloid having an allyl alcohol moiety comprising mixing the narcotic alkaloid with an acid in the presence of a catalyst wherein the method is carried out in the substantial absence of hydrogen gas.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×