发明名称 |
PRODUCTION PROCESS OF FLUORINATED BENZONITRILE |
摘要 |
The invention enables reduction of catalyst in producing tetrafluorobenzonitrile by decyanation of one cyano group of tetrafluorodicyanobenzene by using a synthetic zeolite, particularly Zeolite 3A, 4A or 5A, in the reaction. Therefore the invention provides an industrially useful process capable of producing tetrafluorobenzonitrile, a useful agrochemical and drug intermediate, by hydrogenolysis of tetrafluorodicyanobenzene to decyanate one cyano group with the use of catalyst in small amounts. |
申请公布号 |
KR20050030633(A) |
申请公布日期 |
2005.03.30 |
申请号 |
KR20057001173 |
申请日期 |
2005.01.21 |
申请人 |
SHOWA DENKO KABUSHIKI KAISHA |
发明人 |
MORIKAWA, KOHEI;ONISHI, YUTAKA;SASAKI, TORU |
分类号 |
B01J29/74;C07B61/00;C07C253/30;C07C255/50 |
主分类号 |
B01J29/74 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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