Improved process for the preparation of (S)-alpha-etyl-2-oxo-1-pyrrolidineaceta mide and (R)-alpha-ethyl-2-oxo-1-pyrrolidineacet amide

Details for Australian Patent Application No. 2005306544 (hide)

Owner Apotex Pharmachem Inc.

Inventors Guntoori, Bhaskar Reddy; Wang, ZhiXian; Li, Yuan Qiang

Agent Shelston IP

Pub. Number AU-A-2005306544

PCT Pub. Number WO2006/053441

Priority 2,488,325 22.11.04 CA

Filing date 21 November 2005

Wipo publication date 26 May 2006

International Classifications

C07D 207/277 (2006.01) Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

Event Publications

7 June 2007 PCT application entered the National Phase

  PCT publication WO2006/053441 Priority application(s): WO2006/053441

14 June 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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