1-phenylcyclopropane-1-sulfonamide 、 1-[5-butyryl-3-cyano-6-(hydroxymethyl)pyridin-2-yl]piperidine-4-carboxylic acid 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以69%的产率得到1-[5-butyryl-3-cyano-6-(hydroxymethyl)pyridin-2-yl]-N-[(1-phenylcyclopropyl)sulfonyl]piperidine-4-carboxamide