Asymmetric synthesis of piperazic acid and derivatives thereof

Details for Australian Patent Application No. 2001257253 (hide)

Owner Vertex Pharmaceuticals Incorporated

Inventors Robidoux, Andrea; Stibbard, John; Dieterich, Petra; Serafini, Siro; Leonardi, Stephania

Agent Cullen & Co

Pub. Number AU-B-2001257253

PCT Pub. Number WO01/83458

Priority 60202104 04.05.00 US

Filing date 25 April 2001

Wipo publication date 12 November 2001

Acceptance publication date 2 March 2006

International Classifications

C07D 237/00 (2006.01) Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings

Event Publications

20 March 2003 Section 223 Application Received

  Vertex Pharmaceuticals Incorporated An application to extend the time from 04.02.2002 to 04.09.2002 in which to enter the National Phase has been lodged . Address for service in Australia - Cullen & Co GPO Box 1074 Brisbane QLD 4001

22 May 2003 Section 223 Application Allowed

  Vertex Pharmaceuticals Incorporated The time in which to enter the National Phase has been extended to 04.09.2002 . Address for service in Australia - Cullen & Co GPO Box BRIS1074 BANE QLD 4001

2 March 2006 Application Accepted

  Published as AU-B-2001257253

29 June 2006 Standard Patent Sealed

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