ethyl 6-(4-((benzylsulfonyl)carbamoyl)piperidin-1-yl)-2-(chloromethyl)-5-cyanonicotinate 、
3-巯基丙酸甲酯 以to give ethyl 6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-2-{[(3-methoxy-3-oxopropyl)thio]methyl}nicotinate的产率得到ethyl 6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-2-{[(3-methoxy-3-oxopropyl)thio]methyl}nicotinate