Asymmetric epoxidation reaction
    2.
    发明授权
    Asymmetric epoxidation reaction 失效
    不对称环氧化反应

    公开(公告)号:US5639889A

    公开(公告)日:1997-06-17

    申请号:US228258

    申请日:1994-04-15

    CPC分类号: C07D493/04 C07F13/005

    摘要: A process for producing an optically active benzopyran compound of the formula [I] or [II]: ##STR1## in which an olefin compound of the formula [V] or [VI]: ##STR2## is subjected to asymmetric epoxidation reaction, using, as a catalyst, an optically active manganese complex of the formula [III] or [IV]: ##STR3##

    摘要翻译: 制备式[I]或[II]的光学活性苯并吡喃化合物的方法:其中式[Ⅴ]或[Ⅵ]的烯烃化合物: 使用作为催化剂的式[III]或[IV]的光学活性锰络合物进行不对称环氧化反应:[IMAGE] [VI] ]