吲哚 、 methyl (1'S,2'S,6'S,7'S)-4',4'-dimethyl-3-oxospiro[1H-indole-2,10'-3,5,9,11-tetraoxatricyclo[5.3.1.02,6]undecane]-2'-carboxylate 在
软骨素硫酸钠盐 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
生成
methyl (3aR,4R,6S,6aS)-4-((R)-2-(1H-indol-3-yl)-3-oxoindolin-2-yl)-6-(hydroxymethyl)-2,2-dimethyldihydrofuro[3,4-d][1,3]dioxole-3a(4H)-carboxylate