2-(2-chloroethoxy)-ethyl 1,4-dihydro-2,6-dimethyl-3-nitro-4-(2-benzyloxyphenyl)-pyridine-5-carboxylate 、
potassium thioacetate 以
N-甲基乙酰胺 、
氯仿 为溶剂,
以1.1 g (78%)的产率得到2-(2-Acetylthio-ethoxy)-ethyl 1,4-dihydro-2,6-dimethyl-3-nitro-4-(2-benzyloxyphenyl)-pyridine-5-carboxylate