METHOD FOR PREPARATION OF ASENAPINE

    公开(公告)号:US20210047339A1

    公开(公告)日:2021-02-18

    申请号:US16992961

    申请日:2020-08-13

    Inventor: Zhiguo ZHENG

    Abstract: The present invention relates to a method for preparing Asenapine. In particular, the present invention relates to a method for preparing pharmaceutically acceptable Asenapine free base and new crystal form thereof, and also relates to methods for preparing the intermediate compounds used in said method.

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