rac-(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-4-(2,2-dimethyl-propyl)-pyrrolidine-3-carbonitrile 、
[1-(imidazole-1-carbonyl)-piperidin-4-yl]acetic acid ethyl ester 以
二氯甲烷 为溶剂,
反应 18.0h,
以to give rac-{1-[(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-3-cyano-4-(2,2-dimethyl-propyl)-pyrrolidine-1-carbonyl]-piperidin-4-yl}-acetic acid ethyl ester (40.4 mg, 53.4%)的产率得到rac-{1-[(2S,3S,4S)-2-(3-chloro-2-fluoro-phenyl)-3-(4-chloro-2-fluoro-phenyl)-3-cyano-4-(2,2-dimethyl-propyl)-pyrrolidine-1-carbonyl]-piperidin-4-yl}-acetic acid ethyl ester