Processes for preparing 1,3-dioxolane nucleosides

Details for Australian Patent Application No. 2003294212 (hide)

Owner Pharmasset Inc.

Inventors Watanabe, Kyoichi A.; Du, Jinfa

Agent Davies Collison Cave

Pub. Number AU-B-2003294212

PCT Number PCT/US2003/0249

PCT Pub. Number WO2004/028445

Priority 60/401,655 06.08.02 US

Filing date 6 August 2003

Wipo publication date 19 April 2004

Acceptance publication date 7 January 2010

International Classifications

C07D 405/04 (2006.01) Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom

C07D 317/26 (2006.01) Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms

C07D 317/32 (2006.01) Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms

C07D 473/00 (2006.01) Heterocyclic compounds containing purine ring systems

C07D 473/04 (2006.01) Heterocyclic compounds containing purine ring systems

C07D 473/16 (2006.01) Heterocyclic compounds containing purine ring systems

C07D 473/20 (2006.01) Heterocyclic compounds containing purine ring systems

C07D 491/04 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

C07D 493/08 (2006.01) Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 60/401,655 06.08.02 US

20 May 2004 Application Open to Public Inspection

  Published as AU-B-2003294212

7 January 2010 Application Accepted

  Published as AU-B-2003294212

6 May 2010 Standard Patent Sealed

1 March 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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