Production of 5-methyl-N-aryl-2-pyrrolidone and 5-methyl-N-alkyl-2-pyrrolidone by reductive amination of leuvlinic acid esters with nitro compounds

Details for Australian Patent Application No. 2004223844 (hide)

Owner E.I. Dupont De Nemours and Company

Inventors Manzer, Leo Ernest

Agent Houlihan2

Pub. Number AU-A-2004223844

PCT Pub. Number WO2004/085390

Priority 10/396,049 24.03.03 US

Filing date 23 March 2004

Wipo publication date 7 October 2004

International Classifications

C07D 207/267 Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

C09D 011/02 Inks - Printing inks

C09K 005/00 Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants

A61K 031/4015 - having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide

A01N 043/36 Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds

Event Publications

25 August 2005 PCT application entered the National Phase

  PCT publication WO2004/085390 Priority application(s): WO2004/085390

3 April 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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