Preparation method for rivastigmine, intermediates thereof, and preparation method for said intermediates
申请人:Zhang Fuli
公开号:US09353049B2
公开(公告)日:2016-05-31
The present invention provides a preparation method for (S)-3-(1-(dimethylamino)ethyl)phenyl ethyl(methyl)carbamate, preparation methods for intermediates (S)-1-(3-methoxyphenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium, (S)-1-(3-hydroxyphenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium and (S)-1-(3-(ethyl(methyl)carbamoyloxy)phenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium, as well as a method for using (S)-1-(3-(ethyl(methyl)carbamoyloxy)phenyl)-N,N-dimethyl-N—((S)-1-phenylethyl)ethanaminium to prepare rivastigmine which can be used for the treatment of Alzheimer's disease.
本发明提供了(S)-3-(1-(二甲氨基)乙基)苯基乙基(甲基)氨基甲酸酯的制备方法,以及中间体(S)-1-(3-甲氧基苯基)-N,N-二甲基-N-((S)-1-苯乙基)乙胺,(S)-1-(3-羟基苯基)-N,N-二甲基-N-((S)-1-苯乙基)乙胺和(S)-1-(3-(乙基(甲基)氨基甲酰氧)苯基)-N,N-二甲基-N-((S)-1-苯乙基)乙胺的制备方法,以及使用(S)-1-(3-(乙基(甲基)氨基甲酰氧)苯基)-N,N-二甲基-N-((S)-1-苯乙基)乙胺制备治疗阿尔茨海默病的利巴韦林的方法。