The present invention provides a process for the preparation of lacosamide in substantially optically pure form, which in one aspect comprises the following steps: (i) resolution of O-methyl-D,L-serine to provide O-methyl-D-serine in substantially optically pure form; (ii) acetylation of O-methyl-D-serine thereby obtained to provide the N-acetyl 10 derivative thereof in substantially optically pure form; (iii) activating the carboxy group of the compound thereby obtained; and (iv) reacting the compound thereby obtained with benzylamine.
本发明提供了一种制备基本上光学纯净的拉库酰胺的方法,其中在一个方面包括以下步骤:(i)分离O-甲基-D,
L-丝氨酸以提供基本上光学纯净的O-甲基-
D-丝氨酸;(ii) 乙酰化因此获得的O-甲基-
D-丝氨酸,以提供基本上光学纯净的N-乙酰基10衍
生物;(iii) 激活所得化合物的羧基;以及(iv) 用苄基胺反应所得化合物。