METHOD FOR SAFELY PREPARING PIMAVANSERIN AND TARTRATE SALT THEREOF USING TRIPHOSGENE
申请人:Livzon New North River Pharmaceutical Co., Ltd.
公开号:EP3828170A1
公开(公告)日:2021-06-02
The present disclosure discloses a method for safely preparing pimavanserin and tartrate thereof by using triphosgene. The synthetic route includes:
The synthetic route comprises (1), (2), (3), (4) and (5). Raw materials used in the method of the present disclosure are safe and inexpensive, thereby effectively reducing the production costs. The method of the present disclosure has mild reaction conditions, and avoids using phosgene, which is highly toxic and difficult to handle is avoided. Thus, the method is readily implemented industrially.
Method for preparing pimavanserin and tartrate thereof by using triphosgene
申请人:Livzon New North River Pharmaceutical Co., Ltd.
公开号:US10934257B2
公开(公告)日:2021-03-02
The present disclosure discloses a method for safely preparing pimavanserin and tartrate thereof by using triphosgene. The synthesis route includes:
Raw materials used in the method of the present disclosure are safe and inexpensive, thereby effectively reducing the production costs. The method of the present disclosure has mild reaction conditions, and avoids using phosgene, which is highly toxic and difficult to handle is avoided. Thus, the method is readily implemented industrially.
Compounds, salts thereof and methods for treatment of diseases
申请人:ACADIA PHARMACEUTICALS INC.
公开号:US11345693B2
公开(公告)日:2022-05-31
The present disclosure relates to compounds according to Formula (I), useful for treating diseases.
本公开涉及可用于治疗疾病的式 (I) 化合物。
[EN] METHOD FOR SAFELY PREPARING PIMAVANSERIN AND TARTRATE SALT THEREOF USING TRIPHOSGENE<br/>[FR] PROCÉDÉ DE PRÉPARATION SÛRE DE PIMAVANSÉRINE ET DE SON SEL DE TARTRATE À L'AIDE DE TRIPHOSGÈNE<br/>[ZH] 利用三光气安全制备匹莫范色林及其酒石酸盐的方法