| 发明名称 |
A PROCESS FOR PREPARING 4-AMINODIPHENYLAMINE |
| 摘要 |
<p>A process for preparing alkylated p-phenylenediamine having the steps of reacting aniline and nitrobenzene in presence of a complex base catalyst to obtain 4-aminodiphenylamine intermediates, hydrogenating the 4-aminodiphenylamine intermediates to 4-aminodiphenylamine in presence of a hydrogenation catalyst, and reductively alkylating the 4-aminodiphenylamine to alkylated p-phenylenediamine.</p> |
| 申请公布号 |
EP1591438(A1) |
申请公布日期 |
2005.11.02 |
| 申请号 |
EP20040738331 |
申请日期 |
2004.07.02 |
| 申请人 |
WANG, NONGYUE;SHI, GUANGQIANG |
发明人 |
WANG, NONGYUE;FENG, XIAOGEN;MAO, XIAOHUI;YU, RUIBIAO;CHENG, QIANWEN |
| 分类号 |
C07C209/86;C07C209/36;C07C209/60;C07C209/82;C07C211/55;(IPC1-7):C07C209/02;C07C209/38 |
主分类号 |
C07C209/86 |
| 代理机构 |
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