申请人:ZHEJIANG AUSUN PHARMACEUTICAL CO., LTD.
公开号:US11535628B2
公开(公告)日:2022-12-27
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.
本发明涉及一种制备阿塞那平的方法。特别是,本发明涉及一种制备药学上可接受的阿塞那平游离碱及其新晶形的方法,还涉及制备上述方法中使用的中间化合物的方法。