NOVEL INTERMEDIATES FOR SYNTHESIS OF CEPHALOSPORINS AND PROCESS FOR PREPARATION OF SUCH INTERMEDIATES

Details for Australian Patent Application No. 2002368505 (hide)

Owner LUPIN LIMITED

Inventors DATTA, Debashish; DANTU, Muralikrishna; MISHRA, Brijkishore; SHARMA, Pollepeddi, Lakshmi, Narayana

Pub. Number AU-A-2002368505

PCT Number PCT/IN2002/0002

PCT Pub. Number WO2004/058695

Filing date 26 December 2002

Wipo publication date 22 July 2004

International Classifications

C07C 305/00 Esters of sulfuric acids

C07D 501/00 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

C07C 303/24 Preparation of esters or amides of sulfuric acids

Event Publications

19 August 2004 Complete Application Filed

26 August 2004 Application Open to Public Inspection

  Published as AU-A-2002368505

22 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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