The present invention provides N-methylethylcarbamino-3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenyl ester represented by formula (II) and its preparation method. The present invention also provides (S)-1-(3-methoxyphenyl)-N-methyl-N—[(S)-1-phenylethyl]ethylamine and 3-[(S)-1-(methyl-[(S)-1-phenylethyl]amino)ethyl]phenol as intermediates of the compound represented by formula (II), and the use of the compound represented by formula (II) for preparing rivastigmine used for treating Alzheimer disease.
本发明提供了公式(II)所表示的N-甲基乙基
氨基-3-[(S)-1-(甲基-[(S)-1-苯乙基]
氨基)乙基]苯酯及其制备方法。本发明还提供了(S)-1-(3-
甲氧基苯基)-N-甲基-N-[(S)-1-苯乙基]
乙胺和3-[(S)-1-(甲基-[(S)-1-苯乙基]
氨基)乙基]
苯酚作为公式(II)所表示的化合物的中间体,并且提供了利用公式(II)所表示的化合物制备用于治疗阿尔茨海默病的
利巴韦林的方法。