2-碘乙酰胺 、 5-Cyano-2-methyl-4-(3-nitro-phenyl)-6-thioxo-1,4,5,6-tetrahydro-pyridine-3-carboxylic acid ethyl ester 在
哌啶 作用下,
以
乙醇 为溶剂,
以84%的产率得到6-Carbamoylmethylsulfanyl-5-cyano-2-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3-carboxylic acid ethyl ester