(2S,4R)-4-(2-chlorophenylsulfonyl)-N-(1-cyanocyclopropyl)pyrrolidine-2-carboxamide 、
sodium 1-morpholinocyclopropanecarboxylate 以yielded (2S,4R)-4-(2-chlorophenylsulfonyl)-N-(1-cyanocyclopropyl)-1-(1-morpholinocyclopropanecarbonyl)pyrrolidine-2-carboxamide as a yellow oil (65%)的产率得到(2S,4R)-4-(2-chlorophenylsulfonyl)-N-(1-cyanocyclopropyl)-1-(1-morpholino-cyclopropanecarbonyl)pyrrolidine-2-carboxamide