ethyl 6-(4-((benzylsulfonyl)carbamoyl)piperidin-1-yl)-2-(chloromethyl)-5-cyanonicotinate 、
2-巯基噻唑 以to give ethyl 6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-2-[(1,3-thiazol-2-ylthio)methyl]nicotinate的产率得到ethyl 6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-2-[(1,3-thiazol-2-ylthio)methyl]nicotinate