1-{3-cyano-5-(ethoxycarbonyl)-6-[(2-oxo-pyrrolidin-1-yl)methyl]pyridin-2-yl}piperidine-4-carboxylic acid 、 、
1-(4-甲基环己基)甲磺酰胺 以to give ethyl 5-cyano-6-[4-({[(4-methylcyclohexyl)methyl]sulfonyl}carbamoyl)piperidin-1-yl]-2-[(2-oxopyrrolidin-1-yl)methyl]nicotinate的产率得到ethyl 5-cyano-6-[4-({[(4-methylcyclohexyl)methyl]sulfonyl}carbamoyl)piperidin-1-yl]-2-[(2-oxo-pyrrolidin-1-yl)methyl]nicotinate