methyl 2-(2,6-dichloropyridin-4-yl)-5-ethyl-6-oxo-4-(phenylsulfanylmethyl)-1-prop-2-ynyl-4H-pyrimidine-5-carboxylate 在
间氯过氧苯甲酸 作用下,
以99%的产率得到methyl 4-(benzenesulfinylmethyl)-2-(2,6-dichloropyridin-4-yl)-5-ethyl-6-oxo-1-prop-2-ynyl-4H-pyrimidine-5-carboxylate