| 发明名称 |
Chemical process |
| 摘要 |
Preparation of para-substituted 4-hydroxybenzophenones by reacting appropriately substituted aromatic compound with poly(4-oxybenzoyl) in the presence of an acid catalyst. The reaction with the appropriately substituted aromatic compound, for example fluorobenzene, is effected in the presence of an acid catalyst such as a strong proton acid or a Lewis Acid or a mixture thereof.
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| 申请公布号 |
US4599452(A) |
申请公布日期 |
1986.07.08 |
| 申请号 |
US19840616894 |
申请日期 |
1984.06.04 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
COLQUHOUN, HOWARD M.;BREEZE, ALAN G. |
| 分类号 |
C07C45/61;B01J27/00;B01J31/00;C07B61/00;C07C45/00;C07C45/46;C07C49/83;C07C49/84;C07C67/00;C08G63/06;C08G63/682;(IPC1-7):C07C45/46 |
主分类号 |
C07C45/61 |
| 代理机构 |
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代理人 |
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| 主权项 |
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