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公开(公告)号:WO2011076086A1
公开(公告)日:2011-06-30
申请号:PCT/CN2010/079936
申请日:2010-12-17
Applicant: 中国科学院上海有机化学研究所 , 联化科技股份有限公司 , 马大为 , 朱少林 , 俞寿云 , 王优 , 周强辉
IPC: C07D213/73 , C07D209/48 , C07C233/52 , C07C231/12 , C07D403/04 , C07D401/04 , A61K31/215 , A61P31/16
CPC classification number: C07C319/12 , C07B2200/07 , C07C227/14 , C07C227/16 , C07C229/66 , C07C233/31 , C07C271/18 , C07C323/61 , C07C2601/14 , C07C2601/16 , C07D207/14 , C07D209/48 , C07D213/73 , C07D401/04 , C07D403/04
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公开(公告)号:WO2007025481A1
公开(公告)日:2007-03-08
申请号:PCT/CN2006/002246
申请日:2006-09-01
Applicant: 上海奥博生物医药技术有限公司 , 中国科学院上海有机化学研究所 , 浙江华海药业股份有限公司 , 马大为 , 潘强彪 , 潘嵩
IPC: C07C269/04 , C07C211/29 , C07C211/49 , C07C209/36 , C07C209/76 , C07C271/44 , A61P25/28
CPC classification number: C07C269/04 , C07C211/29 , C07C211/49 , C07C271/44
Abstract: The present invention relates to a process for preparing (S)-N-ethyl-N-methyl-3-[1-(dimethylamino)ethyl]-phenyl carbamate (i.e. (S)-rivastigmine) ( I ) and tartrate ( II ) thereof, which includes the following steps: reacting 3-(1-(S)-(N,N-dimethylamino)ethyl)-phenol ( III ) or its salt with phosgene, diphosgene or triphosgene and obtaining compound ( IV ), followed by reacting with N-methyl-N-ethyl amine and obtaining the compound ( I ). The tartrate ( II ) can be obtained by reacting compound ( I ) with L-(+)-tartaric acid ( V ) . In said process, 3-(1-(S)-(N,N-dimethylamino)ethyl)-phenol is prepared from (S)-1-phenethylamine.
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