Owner Shionogi & Co., Ltd.

Inventors Nishitani, Yasuhiro; Yamawaki, Kenji; Takeoka, Yusuke; Sugimoto, Hideki; Hisakawa, Shinya; Aoki, Toshiaki

Agent Davies Collison Cave

Pub. Number AU-A-2009310959

PCT Pub. Number WO2010/050468

Priority 2008-280828 31.10.08 JP

Filing date 27 October 2009

Wipo publication date 6 May 2010

C07D 505/24 (2006.01) Heterocyclic compounds containing 5-oxa-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. oxacephalosporins

A61K 31/5365 (2006.01) - ortho- or peri-condensed with heterocyclic ring systems

A61K 31/546 (2006.01) - containing further heterocyclic rings, e.g. cephalothin

A61K 31/55 (2006.01) - having seven-membered rings, e.g. azelastine, pentylenetetrazole

A61P 31/04 (2006.01) Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics

C07D 501/46 (2006.01) Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula: , e.g. cephalosporins

C07D 519/06 (2006.01) Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or