Process for the preparation of 2-ethoxy-3-[4-(2-{methanesulphonyloxyphenyl}ethoxy)phenil] propanoic acid

Details for Australian Patent Application No. 2003226523 (hide)

Owner ASTRAZENECA AB

Inventors Larsson, Maria

Agent Davies Collison Cave

Pub. Number AU-A-2003226523

PCT Number PCT/GB03/01395

PCT Pub. Number WO2003/082812

Priority 0201005-6 02.04.02 SE

Filing date 28 March 2003

Wipo publication date 13 October 2003

International Classifications

C07C 303/22 Preparation of esters or amides of sulfuric acids

C07C 309/66 Sulfonic acids

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 0201005-6 02.04.02 SE

20 November 2003 Application Open to Public Inspection

  Published as AU-A-2003226523

23 December 2004 Amendment Made

  The nature of the amendment is: Amend the invention title to read: Process for the preparation of (S)-2-ethoxy-3-{4-[2-(4-methanesulphonyloxyphenyl)ethoxy]phenyl} propanoic acid.

16 June 2005 Amendment Made

  The nature of the amendment is: Amend the invention title to read Process for the preparation of 2-ethoxy-3-[4-(2-{methanesulphonyloxyphenyl}ethoxy)phenyl] propanoic acid.

26 April 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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