(2'R,3'S,4'R,5'R)-6-Chloro-2'-(2,2-dimethyl-propyl)-1'-((1R,2S)-2-hydroxy-1,2-diphenyl-ethyl)-2-oxo-4'-thiophen-2-yl-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63%的产率得到(2'R,3S,4'R,5'R)-6-chloro-2'-(2,2-dimethyl-propyl)-2-oxo-4'-thiophen-2-yl-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid dimethylamide