2-[(E)-(3,3-dimethylbutylidene)amino]acetic acid tert-butyl ester 、
(Z)-3-(3-chloro-phenyl)-2-pyridin-3-yl-acrylonitrile 、 、
三乙胺 以
1,2-二氯乙烷 为溶剂,
反应 18.0h,
以to give rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-4-pyridin-3-yl-pyrrolidine-2-carboxylic acid tert-butyl ester as a light yellow solid (0.29 g, 49%)的产率得到rac-(2R,3R,4R,5S)-3-(3-chloro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-4-pyridin-3-yl-pyrrolidine-2-carboxylic acid tert-butyl ester