IMPROVED SYNTHESIS FOR HYDROXYALKYLATED HETEROCYCLIC BASES

Details for Australian Patent Application No. 2002368154 (hide)

Owner RIBAPHARM INC.

Inventors GIRARDET, Jean-Luc; AN, Haoyun; HONG, Zhi; ORR, Robert; RAMASAMY, Kanda

Pub. Number AU-A-2002368154

PCT Number PCT/US2002/0255

PCT Pub. Number WO2004/014912

Filing date 8 August 2002

Wipo publication date 25 February 2004

International Classifications

C07D 473/40 Heterocyclic compounds containing purine ring systems

C07D 473/34 Heterocyclic compounds containing purine ring systems

C07D 473/32 Heterocyclic compounds containing purine ring systems

C07D 473/28 Heterocyclic compounds containing purine ring systems

C07D 473/30 Heterocyclic compounds containing purine ring systems

C07D 473/26 Heterocyclic compounds containing purine ring systems

C07D 473/18 Heterocyclic compounds containing purine ring systems

C07D 473/16 Heterocyclic compounds containing purine ring systems

C07D 473/12 Heterocyclic compounds containing purine ring systems

C07D 473/10 Heterocyclic compounds containing purine ring systems

C07D 473/08 Heterocyclic compounds containing purine ring systems

C07D 473/06 Heterocyclic compounds containing purine ring systems

C07D 473/04 Heterocyclic compounds containing purine ring systems

C07D 473/00 Heterocyclic compounds containing purine ring systems

C07D 471/04 Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups

C07D 487/04 Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

C07D 209/12 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 209/14 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 209/32 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 209/40 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 209/42 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07D 209/34 Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom

C07B 041/02 Formation or introduction of functional groups containing oxygen

Event Publications

25 March 2004 Complete Application Filed

8 April 2004 Application Open to Public Inspection

  Published as AU-A-2002368154

21 July 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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