Novel betulin derivatives, preparation thereof and use thereof

Details for Australian Patent Application No. 2005304323 (hide)

Owner Panacos Pharmaceuticals, Inc.

Inventors Robinson, Gary N.; Magaraci, Filippo; Coulter, Thomas Stephen; Thomas, Russell; Townsend, Robert James; Montalbetti, Christian; Wild, Carl T.; Nitz, Theodore John; Ashton, Mark

Agent Houlihan2

Pub. Number AU-A-2005304323

PCT Pub. Number WO2006/053255

Priority 60/626,886 12.11.04 US; 60/653,080 16.02.05 US

Filing date 14 November 2005

Wipo publication date 18 May 2006

International Classifications

C07J 53/00 (2006.01) Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by condensation with carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms

A61K 31/56 (2006.01) - Compounds containing cyclopenta[a]hydrophenanthrene ring systems

Event Publications

31 May 2007 PCT application entered the National Phase

  PCT publication WO2006/053255 Priority application(s): WO2006/053255

9 June 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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