发明名称 |
Process for preparing 4-aminodiphenylamine intermediates |
摘要 |
The invention is directed to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps: a. bringing an aniline or aniline derivative and nitrobenzene into reactive contact; and b. reacting the aniline and nitrobenzene in a confined zone at a suitable time and temperature, in the presence of a mixture comprising a strong organic base, or equivalent thereof, and an oxidant comprising hydrogen peroxide in an amount of from about 0.01 to about 0.60 moles of hydrogen peroxide to moles of nitrobenzene.
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申请公布号 |
US7183439(B2) |
申请公布日期 |
2007.02.27 |
申请号 |
US20030444524 |
申请日期 |
2003.05.23 |
申请人 |
FLEXSYS AMERICA L.P. |
发明人 |
TRIPLETT, II RALPH DALE;RAINS ROGER KERANEN |
分类号 |
C07C209/60;C07C209/36;C07C209/68;C07C211/55;C07C211/56 |
主分类号 |
C07C209/60 |
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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