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    Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor
    4.
    发明授权
    Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor 失效
    通过催化甲基化制备单 - 或二 - 邻 - 甲基取代的酚的方法及其催化剂

    公开(公告)号：US4329517A

    公开(公告)日：1982-05-11

    申请号：US149583

    申请日：1980-05-14

    申请人： Katsuo Taniguchi ,  Kazunori Takahata ,  Yoshiaki An-Nen

    发明人： Katsuo Taniguchi ,  Kazunori Takahata ,  Yoshiaki An-Nen

    IPC分类号： B01J23/745 ,  B01J23/76 ,  C07C37/16 ,  C07C37/11

    CPC分类号： C07C37/16 ,  B01J23/745 ,  B01J23/76

    摘要： In a process for producing a mono- or di-ortho-methyl-substituted phenol which comprises methylating a phenol having one or two ortho-hydrogens with methanol in the presence of a catalytic amount of a catalyst comprising a major proportion of an oxide of iron as a first component (A) and a minor proportion of at least one oxide of metal other than iron as a second component (B), the improvement wherein said metal other than iron in component (B) is a metal selected from the group consisting of Ga, Ge, Y, Nb, Hf, Bi and Ta; and a catalyst used therefor.

    摘要翻译： 在一种或二 - 邻甲基取代的苯酚的制备方法中，其包括在催化量的催化剂存在下甲醇化具有一个或两个邻位氢的苯酚，所述催化剂含有主要比例的铁氧化物 作为第一组分（A）和少量至少一种除铁以外的金属氧化物作为第二组分（B）的改进，组分（B）中除铁以外的金属是选自以下的金属： 的Ga，Ge，Y，Nb，Hf，Bi和Ta; 和用于其的催化剂。