There are provided processes for making rivastigmine. In one embodiment, the process includes reacting S-(-)-[1-(3-hydroxyphenyl)ethyl]dimethylamine with N-ethyl-N-methyl carbamoyl chloride in the presence of an organic base to obtain a free base of rivastigmine.
提供了制备利伐司明的过程。在一个实施例中,该过程包括在有机碱的存在下,将S-(-)-[1-(3-羟基苯基)乙基]
二甲基胺与N-乙基-N-甲基
氨基
甲酰氯反应,以获得利伐司明的自由碱。