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1.
公开(公告)号:US5571929A
公开(公告)日:1996-11-05
申请号:US350819
申请日:1994-12-07
申请人: Xue F. Pei , Arnold Brossi
发明人: Xue F. Pei , Arnold Brossi
IPC分类号: C07D209/34 , C07D487/04
CPC分类号: C07D487/04 , C07D209/34
摘要: One aspect of the present invention provides for the separation of a racemic mixture or a mixture enriched with one or other enantiomer, said mixture comprising the enantiomers of the compound of the formula: ##STR1## wherein R is CN or CONHR' where R' is a C.sub.1 -C.sub.6 alkyl, hydrogen, or benzyl, and R.sub.1 is C.sub.1 -C.sub.6 alkyl or benzyl. Another aspect of the present invention provides a method of preparing a compound of the formula: ##STR2## wherein R is H, C.sub.1 -C.sub.6 alkyl or benzyl, and wherein R.sub.2, R.sub.3, and R.sub.4 are C.sub.1 -C.sub.6 alkyl or benzyl.
摘要翻译: 本发明的一个方面提供了外消旋混合物或富含一种或其它对映异构体的混合物的分离,所述混合物包含下式化合物的对映异构体:其中R是CN或CONHR,其中R'是 C 1 -C 6烷基,氢或苄基,R 1是C 1 -C 6烷基或苄基。 本发明的另一方面提供了制备下式化合物的方法:其中R是H,C 1 -C 6烷基或苄基,其中R 2,R 3和R 4是C 1 -C 6烷基或苄基。
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公开(公告)号:US5409948A
公开(公告)日:1995-04-25
申请号:US980399
申请日:1992-11-23
申请人: Nigel H. Greig , Arnold Brossi , Timothy T. Soncrant , Harold W. Holloway , Stanley I. Rapoport , Setsu Iijima , Edward L. Spangler , Donald K. Ingram , Xue F. Pei
发明人: Nigel H. Greig , Arnold Brossi , Timothy T. Soncrant , Harold W. Holloway , Stanley I. Rapoport , Setsu Iijima , Edward L. Spangler , Donald K. Ingram , Xue F. Pei
IPC分类号: C07D487/04 , A61K31/40 , A61P25/28
CPC分类号: A61K31/40
摘要: An improved method of cholinomimetic therapy for cognitive impairments associated with aging and Alzheimer's disease comprising treating a patient with an effective amount of phenserine or a pharmaceutically acceptable salt and derivatives.
摘要翻译: 一种用于与老化和阿尔茨海默氏病相关的认知障碍的改善的胆碱模拟治疗方法,其包括用有效量的苯丝氨酸或其药学上可接受的盐和衍生物治疗患者。
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