methyl (3aR,4R,6S,6aS)-6-(hydroxymethyl)-2,2-dimethyl-4-[1-(4-methylphenyl)sulfonylindol-2-yl]-6,6a-dihydro-4H-furo[3,4-d][1,3]dioxole-3a-carboxylate 、
叔丁基二苯基氯硅烷 在
咪唑 作用下,
以
二氯甲烷 为溶剂,
反应 28.0h,
以97%的产率得到methyl (3aR,4R,6S,6aS)-6-[[tert-butyl(diphenyl)silyl]oxymethyl]-2,2-dimethyl-4-[1-(4-methylphenyl)sulfonylindol-2-yl]-6,6a-dihydro-4H-furo[3,4-d][1,3]dioxole-3a-carboxylate