(2'R,3'S,4'R,5'R)-1'-((1R,2S)-2-Hydroxy-1,2-diphenyl-ethyl)-2'-isobutyl-2-oxo-4'-phenyl-6-trifluoromethyl-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid dimethylamide 在
lead(IV) acetate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以59%的产率得到(2'R,3'S,4'R,5'R)-2'-Isobutyl-2-oxo-4'-phenyl-6-trifluoromethyl-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid dimethylamide