Pyroglutamate salts and their use in the optical resolution of intermediates for the synthesis of dextrocetirizine and levocetirizine

Details for Australian Patent Application No. 2006222298 (hide)

Owner UCB Farchim SA

Inventors Palacio, Magali; Ates, Celal

Agent Watermark

Pub. Number AU-B-2006222298

PCT Pub. Number WO2006/094648

Priority 05004653.1 03.03.05 EP

Filing date 23 February 2006

Wipo publication date 14 September 2006

Acceptance publication date 24 February 2011

International Classifications

C07D 295/088 (2006.01) Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms

C07D 207/28 (2006.01) Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom

Event Publications

27 September 2007 PCT application entered the National Phase

  PCT publication WO2006/094648 Priority application(s): WO2006/094648

24 February 2011 Application Accepted

  Published as AU-B-2006222298

23 June 2011 Standard Patent Sealed

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