Process and ester derivatives useful for preparation of cephalosporins

Details for Australian Patent Application No. 2002223929 (hide)

Owner Pfizer Products Inc.

Inventors Tucker, John Lloyd; Fogliato, Giovanni; Colberg, Juan Carlos; Zenoni, Maurizio; Donadelli, Alessandro

Agent Spruson & Ferguson

Pub. Number AU-B-2002223929

PCT Pub. Number WO02/46199

Priority 60/251,018 04.12.00 US

Filing date 19 November 2001

Wipo publication date 18 June 2002

Acceptance publication date 23 August 2007

International Classifications

C07D 501/08 (2006.01) 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

C07D 205/095 (2006.01) Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom

C07D 405/12 (2006.01) Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom

C07D 501/00 (2006.01) 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

C07D 501/18 (2006.01) 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

C07D 501/20 (2006.01) 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

C07D 513/04 (2006.01) Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups , or

C07F 9/568 (2006.01) Compounds containing elements of the 5th Group of the Periodic System

C07F 9/6558 (2006.01) Compounds containing elements of the 5th Group of the Periodic System

Event Publications

23 August 2007 Application Accepted

  Published as AU-B-2002223929

20 December 2007 Standard Patent Sealed

17 June 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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