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    • 8. 发明公开
    • Process for the preparation of eburnamenine oxime derivatives
    • Verfahren zur Herstellung von Eburnamenin-oxim-Derivaten。
    • EP0268245A2
    • 1988-05-25
    • EP87116885.2
    • 1987-11-16
    • SANWA KAGAKU KENKYUSHO CO., LTD.
    • Kurono, MasayasuUsui, Toshinao
    • C07D461/00
    • C07D461/00
    • A process for the preparation of an eburnamenine oxime derivative of the formula
      wherein R is an alkyl group, alkoxyalkyl group, oxylanylalkyl group, aralkyl group, aryl group, heteroaryl group,
      each of R₁ and R₂ is same or different and represents hydrogen atom, an alkyl group having 1 to 4 carbon atoms, aryl group or aralkyl group, or R₁ and R₂ may form a substituted or unsubstituted heterocyclic radical together with the neighboring nitrogen atom, and n is an integer of 2 or 3,
      which comprises a step of reacting aburnamenine thione of the formula
      with a compound of the formula
      R-ONH₂
      wherein R represents the meaning as referred to.
    • 其中R为烷基,烷氧基烷基,氧杂环烷基烷基,芳烷基,芳基,杂芳基,R 1和R 2中的每一个均为相同或不同的式CHEM的本本香碱肟衍生物的方法 并且表示氢原子,具有1至4个碳原子的烷基,芳基或芳烷基,或者R 1和R 2可以与相邻的氮原子一起形成取代或未取代的杂环基,n为2或3的整数, 其包括使式的海明ine素硫酮与式R-ONH 2的化合物反应的步骤,其中R表示所述的含义。