methyl 1,4-dihydro-2,6-dimethyl-3-(3-benzylsulfinylmethyl-1,2,4-oxadiazol-5-yl)-4-(3-nitrophenyl)pyridine-5-carboxylate 、
间氯过氧苯甲酸 以
氯仿 为溶剂,
反应 8.0h,
以to give 180 mg of methyl 1,4-dihydro-2,6-dimethyl-3-(3-benzylsulfonylmethyl-1,2,4-oxadiazol-5-yl)-4-(3-nitrophenyl)pyridine-5-carboxylate, m.p. 227° C.的产率得到methyl 1,4-dihydro-2,6-dimethyl-3-(3-benzylsulfonylmethyl-1,2,4-oxadiazol-5-yl)-4-(3-nitrophenyl)pyridine-5-carboxylate