ethyl 6-chloro-5-cyano-2-(3-ethoxy-3-oxopropyl)nicotinate 、
N-(苄基磺酰基)-哌啶-4-羧酰胺 以to give ethyl 6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-2-(3-ethoxy-3-oxopropyl)nicotinate的产率得到ethyl 6-{4-[(benzylsulfonyl)carbamoyl]piperidin-1-yl}-5-cyano-2-(3-ethoxy-3-oxopropyl)nicotinate