Method for the separation of intermediates which may be used for the preparation of escitalopram

Details for Australian Patent Application No. 2005212455 (hide)

Owner H. Lundbeck A/S

Inventors Lyngso, Lars Ole

Agent Watermark

Pub. Number AU-A-2005212455

PCT Pub. Number WO2005/077891

Priority PA200400217 12.02.04 DK; 60/544,970 12.02.04 US

Filing date 2 February 2005

Wipo publication date 25 August 2005

International Classifications

C07C 253/30 (2006.01) Preparation of carboxylic acid nitriles

C07B 57/00 (2006.01) Separation of optically-active compounds

C07C 253/34 (2006.01) Preparation of carboxylic acid nitriles

C07C 255/53 (2006.01) Carboxylic acid nitriles

C07C 255/59 (2006.01) Carboxylic acid nitriles

C07D 307/87 (2006.01) Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

Event Publications

31 August 2006 PCT application entered the National Phase

  PCT publication WO2005/077891 Priority application(s): WO2005/077891

25 August 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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