Process for the preparation of a pyrazolo(4,3-d)pyrimidine derivative

Details for Australian Patent Application No. 2002231739 (hide)

Owner MERCK PATENT GMBH

Inventors Eggenweiler, Hans-Michael

Agent Davies Collison Cave

Pub. Number AU-A-2002231739

PCT Pub. Number WO2002/059126

Priority 101 03 647.7 27.01.01 DE

Filing date 29 December 2001

Wipo publication date 6 August 2002

International Classifications

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

C07D 231/06 Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings

Event Publications

6 February 2003 Application Open to Public Inspection

  Published as AU-A-2002231739

24 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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