1-(3-cyano-5-(ethoxycarbonyl)-6-methylpyridin-2-yl)piperidine-4-carboxylic acid 、
1-(2-氟苯基)甲烷磺酰胺 以to give ethyl 5-cyano-6-(4-{[(2-fluorobenzyl)sulfonyl]carbamoyl}piperidin-1-yl)-2-methylnicotinate的产率得到ethyl 5-cyano-6-(4-{[(2-fluorobenzyl)sulfonyl]carbamoyl}piperidin-1-yl)-2-methylnicotinate