4-氯-2-甲基苯甲醛 、
N-羟基呋喃-2-羧酰胺 在
哌啶 SiO2 、 ethyl acetate heptane 作用下,
反应 4.0h,
以to give the 5-(4-chloro-2-methylphenyl)-3-(furan-2-yl)-4,5-dihydro-1,2,4-oxadiazole product (94 mg, 0.36 mmol) as an off-white solid with an HPLC purity 99%的产率得到5-(4-chloro-2-methylphenyl)-3-(furan-2-yl)-4,5-dihydro-1,2,4-oxadiazole