A manufacturing process of 2',2'-difluoronucleoside and intermediate

Details for Australian Patent Application No. 2006325622 (hide)

Owner Dong-A Pharm. Co., Ltd.

Inventors Kim, Moon-Sung; Kim, Yong-Jik; Lim, Hong-Gyu; Choi, Jun-Ho; Cha, DaeWon

Agent Madderns

Pub. Number AU-B-2006325622

PCT Pub. Number WO2007/069838

Priority 10-2006-0125230 11.12.06 KR; 10-2005-0123229 14.12.05 KR

Filing date 11 December 2006

Wipo publication date 21 June 2007

Acceptance publication date 3 February 2011

International Classifications

C07D 307/32 (2006.01) Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

Event Publications

3 July 2008 PCT application entered the National Phase

  PCT publication WO2007/069838 Priority application(s): WO2007/069838

3 February 2011 Application Accepted

  Published as AU-B-2006325622

2 June 2011 Standard Patent Sealed

5 July 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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