| 发明名称 |
Process for the preparation of 3-chloro-3'-nitro-4' methoxybenzophenone |
| 摘要 |
Prodn. of 3-chloro-3'-nitro-4'-methoxybenzophenone (I) comprises nitration of 3-chloro-4'-methoxybenzophenone (II) in 65-85 wt.% sulphuric acid as reaction medium, with nitric acid, at -20 to +60 degrees C.
|
| 申请公布号 |
EP0769488(A2) |
申请公布日期 |
1997.04.23 |
| 申请号 |
EP19960114580 |
申请日期 |
1996.09.12 |
| 申请人 |
BAYER AG |
发明人 |
PAETZ, KLAUS-CHRISTIAN, DR.;FIEGE, HELMUT, DR.;KISSENER, WOLFRAM, DR. |
| 分类号 |
C07C201/08;C07C205/45;(IPC1-7):C07C201/08 |
主分类号 |
C07C201/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
