PROCÉDÉ DE SYNTHÈSE DU FIPRONIL

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专利权人:

KEKI HORMUSJI;GHARDA

发明人:

GHARDA, KEKI HORMUSJI

申请号：

EP11866617

公开号：

EP2714664A4

申请日:

2011.12.15

申请国别(地区):

EP

年份:

2015

代理人:

摘要：

A process for preparation of Fipronil (i.e. 5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-trifluoro-methylsulphinyl-pyrazole) is provided, which comprises oxidizing 5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-cyano-4-tri-fluoromethylthio-pyrazole with sulfuric acid and hydrogen peroxide as oxidizing agent in the presence of a solvent such as ethylene dichloride, chlorobenzene.

来源网站：

中国工程科技知识中心

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http://www.ckcest.cn/home/