| 发明名称 |
PROCESS FOR THE PREPARATION OF DISFLUOROBENZONITRILE |
| 摘要 |
A 2,6-difluorobenzonitrile (DFBN) is prepd. by reducing a chlorofluorobenzonitrile selected from 3-chloro-2,6- difluorobenzonitrile, 3,5-dichloro-2,6-difluorobenzonitrile or their mixs. with hydrogen gas in the presence of a palladium or platinum catalyst. The DFBN is useful as medical or agrichemical agents.
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| 申请公布号 |
KR890000365(B1) |
申请公布日期 |
1989.03.14 |
| 申请号 |
KR19820003924 |
申请日期 |
1982.08.31 |
| 申请人 |
ISHIHARA SANGKYO CO.,LTD. |
发明人 |
NISHIYAMA, RYUJO;HUJIKAWA, KANICHI;TZUJII, YASUHIRO;MURAMA, SHIGEO;JYONISHI, HISAYOSHI |
| 分类号 |
B01J23/42;B01J23/44;C07C255/49;(IPC1-7):C07C121/52 |
主分类号 |
B01J23/42 |
| 代理机构 |
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