1-(5-Bromopyridin-2-yl)-5-(trifluoromethyl)-1H-pyrazole-3-carbohydrazide 、
ethyl 1-(5-bromopyridin-2-yl)-5-(trifluoromethyl)-1H-pyrazole-3-carboxylate 、
一水合肼 、
乙醇 在
甲苯 作用下,
反应 16.0h,
以to obtain 30 g (95%) of the title compound as a white solid的产率得到1-(5-(1-(5-Bromopyridin-2-yl)-5-(trifluoromethyl)-1H-pyrazol-3-yl)-2,2-dimethyl-1,3,4-oxadiazol-3(2H)-yl)ethanone