Process for the preparation of buprenorphine and derivatives of buprenorphine

Details for Australian Patent Application No. 2008338968 (hide)

Owner Mallinckrodt Inc.

Inventors Berberich, David W.; Cantrell, Gary L.; Jiang, Tao; Liao, Subo; Wang, Peter X.; Trawick, Bobby N.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2008338968

PCT Pub. Number WO2009/078986

Priority 61/014,090 17.12.07 US

Filing date 17 December 2008

Wipo publication date 25 June 2009

International Classifications

C07D 489/12 (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:

Event Publications

8 July 2010 PCT application entered the National Phase

  PCT publication WO2009/078986 Priority application(s): WO2009/078986

5 April 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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