Owner BioCryst Pharmaceuticals, Inc.

Inventors Babu, Yarlagadda S.; Chand, Pooran; Kotian, Pravin L.; Kumar, V. Satish

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2009276420

PCT Pub. Number WO2010/014930

Priority 61/085,705 01.08.08 US; 61/098,562 19.09.08 US

Filing date 31 July 2009

Wipo publication date 4 February 2010

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

A61K 31/53 (2006.01) - having six-membered rings with three nitrogens as the only ring hetero atoms, e.g. chlorazanil, melamine

A61P 37/06 (2006.01) Drugs for immunological or allergic disorders

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

C07D 491/048 (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

C07D 495/04 (2006.01) Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms

C07D 513/04 (2006.01) Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups , or