Process and intermediate for preparation of donepezil

Details for Australian Patent Application No. 2007203969 (hide)

Owner Cipla Limited

Inventors Acharya, Vinod; Rao, Dharmaraj Ramachandra; Pathi, Srinivas Laxminarayan; Kankan, Rajendra Narayanrao

Agent Griffith Hack

Pub. Number AU-B-2007203969

PCT Pub. Number WO2007/077443

Priority 17/MUM/2006 04.01.06 IN

Filing date 3 January 2007

Wipo publication date 12 July 2007

Acceptance publication date 5 April 2012

International Classifications

C07D 211/32 (2006.01) Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings

C07D 491/10 (2006.01) Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or

Event Publications

24 July 2008 PCT application entered the National Phase

  PCT publication WO2007/077443 Priority application(s): WO2007/077443

5 April 2012 Application Accepted

  Published as AU-B-2007203969

2 August 2012 Standard Patent Sealed

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