描述:
(2RS,3SR,4SR,5SR)-3-(3-chloro-2-fluoro-phenyl)-4-(5-chloro-pyridin-2-yl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid ((S)-3,4-dihydroxy-butyl)-amide 以29%的产率得到(2R,3S,4S,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(5-chloro-pyridin-2-yl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid ((S)-3,4-dihydroxy-butyl)-amide