N-[(2,5,6-trifluorobenzoyl) oxy]pyridine-2-carboximidamide 在
silica gel 作用下,
以
吡啶 为溶剂,
反应 17.0h,
以Standard work up, and silica gel chromatography, afforded 9.5 mg (20%) of 3-(2-pyridyl)-5-(2,5,6-trifluorophenyl)-1,2,4-oxadiazole的产率得到3-(2-pyridyl)-5-(2,5,6-trifluorophenyl)-1,2,4-oxadiazole