STEREOSELECTIVE ALKYLATION OF CHIRAL 2-METHYL-4-PROTECTED PIPERAZINES

Details for Australian Patent Application No. 2003239128 (hide)

Owner SCHERING CORPORATION

Inventors WU, Wenxue; LIAO, Hongbiao; TSAI, David, J.; ANDREWS, David, R.; GALA, Dinesh; LEE, Gary, M.; SCHWARTZ, Martin, Lawrence; MCALLISTER, Timothy, L.; FU, Xiaoyong; MALONEY, Donal; THIRUVENGADAM, T., K.; TANN, Chou-Hang

Pub. Number AU-A-2003239128

PCT Number PCT/US03/09275

PCT Pub. Number WO2003/084942

Priority 60/368,707 29.03.02 US

Filing date 27 March 2003

Wipo publication date 20 October 2003

International Classifications

C07D 295/18 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

C07D 295/08 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

C07B 037/04 Reactions without formation or introduction of functional groups containing hetero atoms, involving either the formation of a carbon-to-carbon bond between two carbon atoms not directly linked already or the disconnection of two directly linked carbon atoms

Event Publications

11 September 2003 Complete Application Filed

  Priority application(s): 60/368,707 29.03.02 US

27 November 2003 Application Open to Public Inspection

  Published as AU-A-2003239128

27 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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