Novel process for the preparation of pyrazolopyrimidinones

Details for Australian Patent Application No. 2001262592 (hide)

Owner Pfizer Inc.

Inventors Bunnage, Mark Edward; Thomson, Nicholas Murray; Levett, Philip Charles

Agent Spruson & Ferguson

Pub. Number AU-B-2001262592

PCT Pub. Number WO01/98303

Priority 0015462 22.06.00 GB; 0105878 09.03.01 GB

Filing date 7 June 2001

Wipo publication date 2 January 2002

Acceptance publication date 6 July 2006

International Classifications

C07D 487/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

C07D 213/71 (2006.01) Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members

C07D 295/26 (2006.01) Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms

Event Publications

6 July 2006 Application Accepted

  Published as AU-B-2001262592

2 November 2006 Standard Patent Sealed

8 January 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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