(2'R,3'S,5'S)-2'-Benzyloxymethyl-2-oxo-1'-(toluene-4-sulfonyl)-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid methyl ester 在
palladium on activated charcoal
氢气 、
溶剂黄146 作用下,
以
乙醇 为溶剂,
反应 24.0h,
以99%的产率得到(2'R,3'S,5'S)-2'-Hydroxymethyl-2-oxo-1'-(toluene-4-sulfonyl)-1,2-dihydro-spiro[indole-3,3'-pyrrolidine]-5'-carboxylic acid methyl ester