PROCESS FOR PREPARING TOPOTECAN FROM 10-HYDROXY-4-(S) CAMPTOTHECIN

Details for Australian Patent Application No. 2003223109 (hide)

Owner COUNCIL OF SCIENTIFIC AND IN- DUSTRIAL RESEARCH

Inventors DHAR, Kanaya, Lal; SURI, Om, Parkash; QAZI, Ghulam, Nabi; PURI, Satish, Chander; HANDA, Geeta

Pub. Number AU-A-2003223109

PCT Number PCT/IN03/00108

PCT Pub. Number WO2004/087715

Filing date 31 March 2003

Wipo publication date 25 October 2004

International Classifications

C07D 491/22 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

Event Publications

7 August 2003 Complete Application Filed

25 November 2004 Application Open to Public Inspection

  Published as AU-A-2003223109

15 December 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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