NOVEL SUBSTITUTED CONDENSED RING COMPOUND

    公开(公告)号:US20230038124A1

    公开(公告)日:2023-02-09

    申请号:US17771241

    申请日:2020-10-23

    IPC分类号: C07F5/02

    摘要: The present invention provides a novel compound having an excellent β-lactamase inhibitory effect. The present invention provides: a compound which has an excellent β-lactamase inhibitory effect, and is represented by formula (1a), (1b) or (11); or a pharmaceutically acceptable salt thereof. This compound provides a prophylactic or therapeutic agent effective for bacterial infections when used in combination with β-lactam-based drugs or used as a single agent. The present invention also provides a prophylactic or therapeutic agent effective for treating various diseases, by being used in combination with β-lactam-based drugs.