Method for producing optically active diphosphine compounds
    3.
    发明授权
    Method for producing optically active diphosphine compounds 失效
    光学活性二膦化合物的制备方法

    公开(公告)号:US5693868A

    公开(公告)日:1997-12-02

    申请号:US740506

    申请日:1996-10-30

    摘要: The present invention provides a method for producing novel optically active diphosphine compounds �2,2'-bis(di-substituted phosphino)-1,1'-binaphthyl compounds! having a selectivity (chemoselectivity or enantioselectivity) and catalytic activity different from those of conventional BINAP compounds. In a method of the present invention for producing an optically active diphosphine compound (i.e., 2,2-bis(di-substituted phosphino)-1,1'-binaphthyl), 2,2'-bis(trifluoromethanesulfonyloxy)-1,1'-binaphthyl is reacted, in the presence of a transition metal-phosphine complex, with a phosphineoxide compound represented by the following general formula: A.sub.2 P(O)H wherein A represents a phenyl group; a mono- to tri-substituted phenyl group, wherein each substituent in the substituted phenyl group is individually selected from the group consisting of a halogen atom, a lower alkyl group, a lower alkoxy group or a lower halogenated-alkoxy group such that one or more of the substituents may be the same or different; a naphthyl group; a lower-alkyl naphthyl group; or a lower-alkoxy naphthyl group.

    摘要翻译: 本发明提供了具有选择性(化学选择性或对映体选择性)和催化活性不同的新的光学活性二膦化合物[2,2'-双(二取代膦基)-1,1'-联萘化合物] 常规BINAP化合物。 在本发明的制备光学活性二膦化合物(即2,2-双(二取代膦基)-1,1'-联萘)的方法中,2,2'-双(三氟甲磺酰氧基)-1,1 在过渡金属 - 膦配合物的存在下,与通式为:A2P(O)H表示的膦氧化物化合物反应,其中A表示苯基; 取代苯基中的每个取代基分别选自卤素原子,低级烷基,低级烷氧基或低级卤代 - 烷氧基,使得一个或多个取代的苯基 更多的取代基可以相同或不同; 萘基; 低级烷基萘基; 或低级烷氧基萘基。