发明名称 |
METHOD FOR THE PREPARATION OF 4-PHENOXY PHENOLS |
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. |
申请公布号 |
EP0034723(B1) |
申请公布日期 |
1983.05.18 |
申请号 |
EP19810100665 |
申请日期 |
1981.01.30 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
VOLKWEIN, GERT, DR.;SCHONOWSKY, HUBERT, DR.;BAESSLER, KONRAD, DR. |
分类号 |
C07C41/26;(IPC1-7):07C41/26;07C43/295 |
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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