发明名称 |
PROCESS FOR PREPARING ALKYLATED P-PHENYLENEDIAMINES |
摘要 |
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. |
申请公布号 |
US2013066113(A1) |
申请公布日期 |
2013.03.14 |
申请号 |
US201213620588 |
申请日期 |
2012.09.14 |
申请人 |
FENG XIAOGEN;WANG NONGYUE;MAO XIAOHUI;YU RUIBIAO;CHENG QIANWEN;JIANGSU SINORGCHEM TECHNOLOGY CO., LTD. |
发明人 |
FENG XIAOGEN;WANG NONGYUE;MAO XIAOHUI;YU RUIBIAO;CHENG QIANWEN |
分类号 |
C07C209/24;C07C209/86;C07C209/36;C07C209/60;C07C209/82;C07C211/55 |
主分类号 |
C07C209/24 |
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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