| 发明名称 |
Process for the preparation of 4-phenoxyphenols |
| 摘要 |
Process for the preparation of 4-phenoxyphenols of the formula <IMAGE> I in which R1 through R5 are hydrogen, halogen or alkyl, by diazotization of amines of the formula <IMAGE> II in a hydrochloric acid medium, and boiling in aqueous sulfuric acid at 110 DEG to 150 DEG C.
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| 申请公布号 |
US4355189(A) |
申请公布日期 |
1982.10.19 |
| 申请号 |
US19810232210 |
申请日期 |
1981.02.06 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
VOLKWEIN, GERT;SCHOENOWSKY, HUBERT;BAESSLER, KONRAD |
| 分类号 |
C07C41/26;(IPC1-7):07C41/26 |
主分类号 |
C07C41/26 |
| 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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