NOVEL THIOESTER DERIVATIVES OF THIAZOLYL ACETIC ACID AND THEIR USE IN THE PREPARATION OF CEPHALOSPORIN COMPOUNDS

Details for Australian Patent Application No. 2001250636 (hide)

Owner ORCHID CHEMICALS AND PHARMACEUTICALS LIMITED

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

Pub. Number AU-A-2001250636

PCT Pub. Number WO2002/053563

Priority 09/754,302 05.01.01 US

Filing date 28 February 2001

Wipo publication date 16 July 2002

International Classifications

C07D 417/12 Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group

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

23 January 2003 Application Open to Public Inspection

  Published as AU-A-2001250636

5 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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