申请人:Gooddoctor Pharmaceutical Group
公开号:EP3744711A1
公开(公告)日:2020-12-02
The present invention relates to a method for preparing mesaconine and related intermediaries. Specifically, in the method for preparing mesaconine of the present invention, aconitine extracted from the Aconitum soongaricum Stapf. of aconitum plant is used as a raw material and subjected to alkalization, acetylation, N-de-ethylation, N-methylation, and hydrolysis to obtain mesaconine. The method for preparing mesaconine in the present invention is simple in operation, high in yield, environmentally friendly and pollution-free, and suitable for industrial production.
本发明涉及一种制备中乌头碱及相关中间体的方法。具体来说,在本发明的中乌头碱制备方法中,以乌头属植物 Aconitum soongaricum Stapf.中提取的乌头碱为原料,经过碱化、乙酰化、N-去乙基化、N-甲基化、水解等步骤得到中乌头碱。本发明制备中乌头碱的方法操作简单,产量高,环保无污染,适合工业化生产。