发明名称 |
Process for the selective preparation of p-aminophenol from nitrobenzene |
摘要 |
An improved process for preparing p-aminophenol by the catalytic hydrogenation of nitrobenzene in an aqueous acidic reaction medium containing a dimethylalkylamine oxide whereby the hydrogenation rate is increased and the selectivity of the reaction for p-aminophenol is improved.
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申请公布号 |
US4307249(A) |
申请公布日期 |
1981.12.22 |
申请号 |
US19810223195 |
申请日期 |
1981.01.07 |
申请人 |
MALLINCKRODT, INC. |
发明人 |
DERRENBACKER, EDWARD L. |
分类号 |
C07C213/00;B01J23/42;C07B61/00;C07C215/76;(IPC1-7):C07C89/00;C07C89/04 |
主分类号 |
C07C213/00 |
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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