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    Synthesis of alkylene carbonates using a catalyst system comprising metal halide and pyridine or pyridine derivative
    1.
    发明授权
    Synthesis of alkylene carbonates using a catalyst system comprising metal halide and pyridine or pyridine derivative 失效
    使用包含金属卤化物和吡啶或吡啶衍生物的催化剂体系合成碳酸亚烷基酯

    公开(公告)号：US06407264B2

    公开(公告)日：2002-06-18

    申请号：US09780235

    申请日：2001-02-09

    申请人： Hoon Sik Kim ,  Jai Jun Kim ,  Byung Gwon Lee ,  Hong Gon Kim

    发明人： Hoon Sik Kim ,  Jai Jun Kim ,  Byung Gwon Lee ,  Hong Gon Kim

    IPC分类号： C07D31710

    CPC分类号： C07D317/36 ,  C07D317/38

    摘要： The present invention relates to a method to prepare alkylene carbonate of the formula (1) wherein, R1 and R2 are each independently H; C1-C4 alkyl or phenyl group; which method characterized by reacting alkylene oxide with carbon dioxide in the presence of a catalyst system comprising a) metal halide [MXm] and b) pyridine or pyridine derivative [Py], wherein Py is selected from a group of pyridines; M is a metal atom selected from the group consisting of Zn, Fe, Mn, Pb and In; X is a halogen selected from the group consisting of Cl, Br and I; and m is 2 or 3.

    摘要翻译： 本发明涉及一种制备式（1）的碳酸亚烷基酯的方法，其中R 1和R 2各自独立地为H; C1-C4烷基或苯基;所述方法的特征在于在催化剂体系存在下使环氧烷与二氧化碳反应，所述催化剂体系包含a）金属卤化物[MXm]和b）吡啶或吡啶衍生物[Py]，其中Py选自 一组吡啶; M是选自Zn，Fe，Mn，Pb和In的金属原子; X是选自Cl，Br和I的卤素; m为2或3。