| 发明名称 |
Preparation of symmetrical tetrachloropyridine from chlorinated beta -(trichloromethyl) pyridines employing a catalyst |
| 摘要 |
Symmetrical tetrachloropyridine is prepared by contacting chlorinated beta -(trichloromethyl)pyridines with chlorine in a liquid phase reaction in the presence of from 0.1 to 1.0 mole % of a catalyst.
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| 申请公布号 |
US4681945(A) |
申请公布日期 |
1987.07.21 |
| 申请号 |
US19840648109 |
申请日期 |
1984.09.07 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
HUMPHREYS, PAULA L.;DIETSCHE, THOMAS J. |
| 分类号 |
C07D213/61;(IPC1-7):C07D213/26 |
主分类号 |
C07D213/61 |
| 代理机构 |
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| 地址 |
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