| 发明名称 |
Process for the production of 2,5 dibromopyridine |
| 摘要 |
<p>A process for the preparation of 2,5-dibromopyrimidine is characterised in that 5-bromo-2-chloropyrimidine is reacted with a solution of hydrogen bromide in a non-aqueous acid at a temperature between 0 and 120@C. The process is economical and allows high yields to be achieved.</p> |
| 申请公布号 |
EP0601381(B1) |
申请公布日期 |
1997.08.27 |
| 申请号 |
EP19930118813 |
申请日期 |
1993.11.23 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
SCHLOSSER, HUBERT, DR.;WINGEN, RAINER, DR. |
| 分类号 |
C07D239/30;(IPC1-7):C07D239/30 |
主分类号 |
C07D239/30 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
