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公开(公告)号：US20210147448A1
公开(公告)日：2021-05-20
申请号：US17050747
申请日：2019-04-26
发明人： Toshio KANAI , Sachiko KOIKE , Takayuki FUKAYA , Shunichiro UESUGI , Shingo MIZUSHIMA , Hitoshi SUDA , Yuki MIZUKAMI , Yohei IKUMA , Toshiaki SUNAZUKA , Yoshihiko NOGUCHI
摘要： Provided is a novel compound that has an excellent β-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent β-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a β-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and β-lactam drugs.
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公开(公告)号：US20230287009A1
公开(公告)日：2023-09-14
申请号：US18309641
申请日：2023-04-28
发明人： Toshio KANAI , Sachiko KOIKE , Takayuki FUKAYA , Shunichiro UESUGI , Shingo MIZUSHIMA , Hitoshi SUDA , Yuki MIZUKAMI , Yohei IKUMA , Toshiaki SUNAZUKA , Yoshihiko NOGUCHI
IPC分类号： C07F5/02 , A61K45/06 , A61P31/04 , A61K31/407 , A61K31/69
CPC分类号： C07F5/025 , A61K45/06 , A61P31/04 , A61K31/407 , A61K31/69
摘要： Provided is a novel compound that has an excellent β-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent β-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a β-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and β-lactam drugs.
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