ENANTIOSELECTIVE HYDROXYLATION OF BETA-DICARBONYLS CATALYZED BY CINCHONA ALKALOID DERIVATIVES

Details for Australian Patent Application No. 2002342343 (hide)

Owner E.I. DU PONT DE NEMOURS AND COMPANY

Inventors TAYLOR, Eric, G.

Pub. Number AU-A-2002342343

PCT Number PCT/US02/35615

PCT Pub. Number WO2003/040083

Priority 60/348,410 07.11.01 US

Filing date 6 November 2002

Wipo publication date 19 May 2003

International Classifications

C07C 069/757 Esters of carboxylic acids

C07C 067/31 Preparation of carboxylic acid esters

C07B 053/00 Asymmetric syntheses

C07D 273/04 Heterocyclic compounds containing rings having nitrogen and oxygen atoms as the only ring hetero atoms, not provided for by groups

C07D 453/04 Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids

Event Publications

27 February 2003 Complete Application Filed

  Priority application(s): 60/348,410 07.11.01 US

24 July 2003 Application Open to Public Inspection

  Published as AU-A-2002342343

22 July 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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