METHOD FOR THE PRODUCTION OF OPTICALLY ACTIVE DIHYDROPYRONES

Details for Australian Patent Application No. 2003292209 (hide)

Owner BOEHRINGER INGELHEIM PHARMA GMBH AND CO. KG

Inventors SAUTER, Markus; SCHRODER, Jurgen; JAGER, Burkhard

Pub. Number AU-A-2003292209

PCT Number PCT/EP2003/0138

PCT Pub. Number WO2004/052831

Priority 102 57 761.7 10.12.02 DE

Filing date 5 December 2003

Wipo publication date 30 June 2004

International Classifications

C07C 069/72 Esters of carboxylic acids

C07C 067/56 Preparation of carboxylic acid esters

C07D 309/32 Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings

Event Publications

8 April 2004 Complete Application Filed

  Priority application(s): 102 57 761.7 10.12.02 DE

5 August 2004 Application Open to Public Inspection

  Published as AU-A-2003292209

25 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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