ASYMMETRIC SYNTHESIS OF A SUBSTITUTED PYRROLIDINE-2-CARBOXAMIDE

摘要

The present invention provides an improved method for the large scale production of the compound 4-{[(2R,3S,4R,5S)-3-(3-chloro-2-fluoro-phenyl)-4-(4-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carbonyl]-amino}-3-methoxy-benzoic acid.