Process for the epimerization of atovaquone isomer, atovaquone intermediates and mixture thereof

Details for Australian Patent Application No. 2008358757 (hide)

Owner Chemagis Ltd.

Inventors Zhu, Fuqiang; Bekhazi, Michel

Agent Halfords IP

Pub. Number AU-A-2008358757

PCT Pub. Number WO2010/001378

Filing date 30 June 2008

Wipo publication date 7 January 2010

International Classifications

C07C 46/00 (2006.01) Preparation of quinones

C07C 46/10 (2006.01) Preparation of quinones

C07C 50/24 (2006.01) Quinones

C07C 50/32 (2006.01) Quinones

C07D 213/70 (2006.01) Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members

Event Publications

27 January 2011 PCT application entered the National Phase

  PCT publication WO2010/001378 Priority application(s): WO2010/001378

31 May 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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