发明名称 |
Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor |
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. |
申请公布号 |
US4329517(A) |
申请公布日期 |
1982.05.11 |
申请号 |
US19800149583 |
申请日期 |
1980.05.14 |
申请人 |
MITSUI PETROCHEMICAL INDUSTRIES LTD. |
发明人 |
TANIGUCHI, KATSUO;TAKAHATA, KAZUNORI;AN-NEN, YOSHIAKI |
分类号 |
B01J23/745;B01J23/76;C07C37/16;(IPC1-7):C07C37/11 |
主分类号 |
B01J23/745 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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