Production of 5-methyl-N-(methyl aryl)-2-pyrrolidone, 5-methyl-N-(methyl cycloalkyl)-2-pyrrolidone and 5methylN-alkyl-2-pyrrolidone by reductive amination of leuvlinic acid esters with cyano compounds

Details for Australian Patent Application No. 2004224292 (hide)

International Classifications

Event Publications

25 August 2005 PCT application entered the National Phase

PCT publication WO2004/085048 Priority application(s): WO2004/085048

3 April 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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