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公开(公告)号:US5616808A
公开(公告)日:1997-04-01
申请号:US321998
申请日:1994-10-12
申请人: Yun Gao , Yaping Hong , Xiaoyi Nie , Roger P. Bakale , Richard R. Feinberg , Charles M. Zepp
发明人: Yun Gao , Yaping Hong , Xiaoyi Nie , Roger P. Bakale , Richard R. Feinberg , Charles M. Zepp
IPC分类号: C07C213/04 , C07B61/00 , C07C213/08 , C07C215/44 , C07C233/23 , C07C233/74 , C07C211/38
CPC分类号: C07C213/08 , C07C215/44 , C07C233/23 , C07C233/74 , C07C2101/08 , C07C2101/14 , C07C2102/08
摘要: A two-step process for the conversion of a trans-1-amino-2-hydroxycycloalkane stereoselectively to a cis-1-amino-2-hydroxycycloalkane is disclosed. The novel step, a one-step hydrolysis with formal inversion, can be used to convert an amide of a trans-1-amino-2-hydroxycycloalkane to a cis-1-amino-2-hydroxycycloalkane. Methods for obtaining the trans-1-amino-2-hydroxycycloalkanes and their amides from alkenes are also disclosed, as are the novel, substantially optically pure 1-amino-2-indanols and 1-amido-2-indanols obtained thereby. A preferred process converts indene to cis-1-amino-2-indanol.
摘要翻译: 公开了将立体选择性的反式-1-氨基-2-羟基环烷烃转化为顺式-1-氨基-2-羟基环烷烃的两步法。 新的步骤,用正式反转的一步水解可用于将反式-1-氨基-2-羟基环烷烃的酰胺转化为顺式-1-氨基-2-羟基环烷烃。 还公开了从烯烃获得反式-1-氨基-2-羟基环烷烃及其酰胺的方法,由此得到的新型基本光学纯的1-氨基-2-茚满醇和1-酰氨基-2-茚满醇。 优选的方法将茚转化成顺式-1-氨基-2-茚满醇。
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公开(公告)号:US20060025418A1
公开(公告)日:2006-02-02
申请号:US11229699
申请日:2005-09-20
申请人: Thomas Jerussi , Chrisantha Senanayake , Paul Rubin , Yaping Hong , Roger Bakale , Tingjian Xiang , Fran McConville
发明人: Thomas Jerussi , Chrisantha Senanayake , Paul Rubin , Yaping Hong , Roger Bakale , Tingjian Xiang , Fran McConville
IPC分类号: A61K31/498
CPC分类号: A61K31/4985 , A61K31/498 , C07B2200/07 , C07D487/04
摘要: The invention is directed to compositions comprising, and methods of using, racemic N-desmethylzopiclone, optically pure (+)-N-desmethylzopiclone, and optically pure (−)-N-desmethylzopiclone in the treatment and prevention of diseases and conditions in mammals. The invention is further directed to novel methods of preparing N-desmethylzopiclone, optically pure (+)-N-desmethylzopiclone, and optically pure (−)-N-desmethylzopiclone.
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公开(公告)号:US5817823A
公开(公告)日:1998-10-06
申请号:US840910
申请日:1997-04-17
IPC分类号: C07D233/66 , C07D401/04 , C07D401/12 , C07D401/00 , C07D401/14
CPC分类号: C07D401/04 , C07D401/12
摘要: The present invention is a method of preparing 2-substituted imidazoles from readily available imidazoles having a leaving group in the 2-position, by alkylating the imidazole under mild conditions to afford a 3-N-alkylated imidazolium salt; and coupling the imidazolium salt with a nucleophile also under mild conditions to afford a 2-substituted 3-N-alkylated imidazolium salt. The reaction product can optionally be isolated and purified. The 2-substituted 3-N-alkylated imidazolium salt is hydrolyzed to afford a 2-substituted imidazole. Alternatively, the imidazole is coupled with a nucleophile in the presence of fluoride ion to provide a 2-substituted imidazole.
摘要翻译: 本发明是一种通过在温和条件下使咪唑烷基化得到3-N-烷基化的咪唑鎓盐,从容易得到的具有2位离去基团的咪唑制备2-取代咪唑的方法。 并且在温和条件下将咪唑鎓盐与亲核试剂偶联,得到2-取代的3-N-烷基化的咪唑鎓盐。 反应产物可任选地被分离和纯化。 将2-取代的3-N-烷基化咪唑鎓盐水解,得到2-取代的咪唑。 或者,咪唑在存在氟离子的情况下与亲核试剂偶联以提供2-取代的咪唑。
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公开(公告)号:US5599985A
公开(公告)日:1997-02-04
申请号:US278459
申请日:1994-07-21
申请人: Yun Gao , Yaping Hong , Xiaoyi Nie , Roger P. Bakale , Richard R. Feinberg , Charles M. Zepp
发明人: Yun Gao , Yaping Hong , Xiaoyi Nie , Roger P. Bakale , Richard R. Feinberg , Charles M. Zepp
IPC分类号: C07C213/04 , C07B61/00 , C07C213/08 , C07C215/44 , C07C233/23 , C07C233/74 , C07C233/06
CPC分类号: C07C213/08 , C07C215/44 , C07C233/23 , C07C233/74 , C07C2101/08 , C07C2101/14 , C07C2102/08
摘要: A two-step process for the conversion of a trans-1-amino-2-hydroxycycloalkane stereoselectively to a cis-1-amino-2-hydroxycycloalkane is disclosed. The novel step, a one-step hydrolysis with formal inversion, can be used to convert an amide of a trans-1-amino-2-hydroxycycloalkane to a cis-1-amino-2-hydroxycycloalkane. Methods for obtaining the trans-1-amino-2-hydroxycycloalkanes and their amides from alkenes are also disclosed. Novel, optically active 1-amido-2-indanols and 1-amino-2-alkanols are also disclosed.
摘要翻译: 公开了将立体选择性的反式-1-氨基-2-羟基环烷烃转化为顺式-1-氨基-2-羟基环烷烃的两步法。 新的步骤,用正式反转的一步水解可用于将反式-1-氨基-2-羟基环烷烃的酰胺转化为顺式-1-氨基-2-羟基环烷烃。 还公开了从烯烃获得反式-1-氨基-2-羟基环烷烃及其酰胺的方法。 还公开了新的光学活性的1-酰氨基-2-茚满醇和1-氨基-2-链烷醇。
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