methyl (2'S,3S,5'R)-1'-{[(2S)-1-(tert-butoxycarbonyl)pyrrolidin-2-yl]carbonyl}-2'-(1,2-dihydroxyethyl)-2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-5'-carboxylate 在
lead(IV) acetate 作用下,
以
乙酸乙酯 为溶剂,
反应 0.17h,
以87%的产率得到(2'R,3'S,5'R)-1'-((S)-1-tert-Butoxycarbonyl-pyrrolidine-2-carbonyl)-2'-formyl-2-oxo-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid methyl ester