Process for preparing entecavir and its intermediates

Details for Australian Patent Application No. 2011218500 (hide)

Owner ScinoPharm Taiwan Ltd

Inventors Hu, Tsung-Cheng; Huang, Hung-Tsung

Agent Davies Collison Cave

Pub. Number AU-A-2011218500

PCT Pub. Number WO2011/102806

Priority 61/348,526 26.05.10 US; 61/305,039 16.02.10 US

Filing date 16 February 2011

Wipo publication date 25 August 2011

International Classifications

C07D 473/18 Heterocyclic compounds containing purine ring systems

C07C 35/06 Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a ring other than a six-membered aromatic ring

C07C 69/03 Esters of carboxylic acids

C07D 307/20 Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

C07D 307/33 Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom

Event Publications

19 July 2012 PCT application entered the National Phase

  PCT publication WO2011/102806 Priority application(s): WO2011/102806

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