1,3,4-OXADIAZOL-2-YL THIOESTERS AND THEIR USE FOR ACYLATING 7-AMINOCEPHALOSPORINS

Details for Australian Patent Application No. 2001270972 (hide)

Owner ORCHID CHEMICALS AND PHARMACEUTICALS LIMITED

Inventors DESHPANDE, Pandurang, Balwant; LUTHRA, Parven, Kumar

Pub. Number AU-A-2001270972

PCT Pub. Number WO2003/004477

Filing date 14 June 2001

Wipo publication date 21 January 2003

International Classifications

C07D 271/113 Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms

C07D 501/06 Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins

Event Publications

22 May 2003 Application Open to Public Inspection

  Published as AU-A-2001270972

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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