申请人:Toray Fine Chemicals Co., Ltd.
公开号:EP3178815A1
公开(公告)日:2017-06-14
The present invention provides a method for producing an optically active 2-methylpiperazine including: adding a solvent to a solution of the optically active 2-methylpiperazine to carry out solvent replacement, and then being crystallized to obtain crystals of the optically active 2-methylpiperazine. The method for producing an optically active 2-methylpiperazine according to the present invention allows the optically active 2-methylpiperazine to be purified during the crystallization process, and thus it is possible to obtain an optically active 2-methylpiperazine having a high quality.
本发明提供了一种生产光学活性2-甲基哌嗪的方法,包括:向光学活性2-甲基哌嗪的溶液中加入溶剂,进行溶剂置换,然后进行结晶,得到光学活性2-甲基哌嗪的晶体。根据本发明生产光学活性 2-甲基哌嗪的方法,可以在结晶过程中对光学活性 2-甲基哌嗪进行提纯,因此可以获得高质量的光学活性 2-甲基哌嗪。