Preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles
申请人:BASF SE
公开号:US11021452B2
公开(公告)日:2021-06-01
The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles (compounds I), which can be obtained through reaction of hydroxyamidine compounds of formula II with trifluoroacetyl halides IIa.
本发明涉及一种制备取代的 3-芳基-5-三氟甲基-1,2,4-恶二唑(化合物 I)的工艺,该化合物可通过式 II 的羟基脒化合物与三氟乙酰卤化物 IIa 反应获得。
Reactions of Perfluoroalkyl Nitriles. VII. Perfluoroacyl Amidoximes and 3,5-Bis(perfluoroalkyl)-1,2,4-oxadiazoles<sup>1</sup>