摘要:
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.