A NOVEL AND AN IMPROVED PROCESS FOR THE PREPARATION OF (S)-4-(4-AMINOBENZYL)-2OXAZOLIDINONE

Details for Australian Patent Application No. 2003278593 (hide)

Owner NATCO PHARMA LIMITED BHUJANGA RAO, Adibhatla, Kali, Satya NANNAPANENI, Venkaiah, Chowdary

Inventors NANNAPANENI, Venkaiah, Chowdary; THUNGATHURTHY, Srinivasa, Rao; AMALA, Kompella; BHUJANGA RAO, Adibhatla, Kali, Satya

Pub. Number AU-A-2003278593

PCT Number PCT/IN03/00341

PCT Pub. Number WO2004/063175

Priority 29/MAS/2003 13.01.03 IN

Filing date 21 October 2003

Wipo publication date 10 August 2004

International Classifications

C07D 263/20 Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings

C07C 213/08 Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton

Event Publications

26 February 2004 Complete Application Filed

  Priority application(s): 29/MAS/2003 13.01.03 IN

9 September 2004 Application Open to Public Inspection

  Published as AU-A-2003278593

13 October 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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