Improved preparation of oxymorphone from oripavine

Details for Australian Patent Application No. 2008231127 (hide)

Owner Mallinckrodt Inc.

Inventors Cantrell, Gary L.; Jiang, Tao; Berberich, David Wayne; Wang, Peter X.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2008231127

PCT Pub. Number WO2008/118654

Priority 60/896,537 23.03.07 US

Filing date 14 March 2008

Wipo publication date 2 October 2008

International Classifications

C07D 489/08 (2006.01) Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula:

A61K 31/485 (2006.01) - Morphinan derivatives, e.g. morphine, codeine

Event Publications

15 October 2009 PCT application entered the National Phase

  PCT publication WO2008/118654 Priority application(s): WO2008/118654

3 November 2011 Assignment before Grant

  Mallinckrodt Inc. The application has been assigned to Mallinckrodt LLC

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