Dihydropyrrolo[1,2-A]indole and tetrahydropyrido[1,2-A]-indole derivatives as prostaglandin D2 receptor antagonists

Details for Australian Patent Application No. 2002302248 (hide)

Owner Merck Frosst Canada Ltd.

Inventors Wang, Zhaoyin; Guay, Daniel; Leblanc, Yves; Dufresne, Claude

Agent Spruson & Ferguson

Pub. Number AU-B-2002302248

PCT Number PCT/CA02/00745

PCT Pub. Number WO2002/094830

Priority 60/293,077 23.05.01 US

Filing date 22 May 2002

Wipo publication date 3 December 2002

Acceptance publication date 6 March 2008

International Classifications

C07D 487/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups

A61K 31/407 (2006.01) - condensed with heterocyclic ring systems, e.g. ketorolac, physostigmine

A61K 31/41 (2006.01) - having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole

A61K 31/4155 (2006.01) - not condensed and containing further heterocyclic rings

A61K 31/437 (2006.01)

A61K 45/00 (2006.01) Medicinal preparations containing active ingredients not provided for in groups

A61P 11/06 (2006.01) Drugs for disorders of the respiratory system

A61P 27/16 (2006.01) Drugs for disorders of the senses

A61P 37/00 (2006.01) Drugs for immunological or allergic disorders

A61P 37/08 (2006.01) Drugs for immunological or allergic disorders

A61P 43/00 (2006.01) Drugs for specific purposes, not provided for in groups

C07D 471/04 (2006.01) Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups

C07D 497/16 (2006.01) Heterocyclic compounds containing in the condensed system at least one hetero ring having oxygen and sulfur atoms as the only ring hetero atoms

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 60/293,077 23.05.01 US

8 May 2003 Application Open to Public Inspection

  Published as AU-B-2002302248

16 March 2006 Assignment before Grant

  Merck Frosst Canada & Co. The application has been assigned to Merck Frosst Canada Ltd.

6 March 2008 Application Accepted

  Published as AU-B-2002302248

3 July 2008 Standard Patent Sealed

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