| 发明名称 |
Process for the preparation of phenyl ureas. |
| 摘要 |
A process for the preparation of phenyl ureas, which comprises reacting a nitrobenzene with an amine and carbon monoxide at an elevated temperature in the presence of a palladium catalyst, the amine being supplied continuously or stepwise during the period of the reaction.
|
| 申请公布号 |
EP0319111(A2) |
申请公布日期 |
1989.06.07 |
| 申请号 |
EP19880202745 |
申请日期 |
1988.11.29 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
GOODALL, BRIAN LESLIE;TERLOUW, WILLEM |
| 分类号 |
B01J23/56;B01J23/89;B01J27/13;B01J31/04;B01J31/22;C07B61/00;C07C273/18;C07C275/28;F02B61/04 |
主分类号 |
B01J23/56 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
