(2S,4R)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid (1-cyano-cyclopropyl)-amide hydrochloride 、
甲氧基乙醛 以to give (2S,4R)-1-(2-methoxy-ethyl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid (1-cyano-cyclopropyl)-amide as a colorless oil的产率得到(2S,4R)-1-(2-methoxyethyl)-4-(2-trifluoromethylbenzenesulfonyl)pyrrolidine-2-carboxylic acid (1-cyanocyclopropyl)amide