Improved resolution methods for isolating desired enantiomers of tapentadol intermediates and use thereof for the preparation of tapentadol

Details for Australian Patent Application No. 2011222644 (hide)

Owner Actavis Group PTC EHF

Inventors Khunt, Mayur Devjibhai; Bondge, Sandipan Prabhurao; Pradhan, Nitin Sharadchandra

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2011222644

PCT Pub. Number WO2011/107876

Priority 577/CHE/2010 05.03.10 IN

Filing date 1 March 2011

Wipo publication date 9 September 2011

International Classifications

C07C 209/88 Preparation of compounds containing amino groups bound to a carbon skeleton

C07C 211/03 Compounds containing amino groups bound to a carbon skeleton

C07C 213/10 Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton

C07C 215/30 Compounds containing amino and hydroxy groups bound to the same carbon skeleton

Event Publications

6 September 2012 PCT application entered the National Phase

  PCT publication WO2011/107876 Priority application(s): WO2011/107876

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