3-O-methyl 3-O'-prop-2-enyl (5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-2-[1-(4-methylphenyl)sulfonylindol-2-yl]oxolane-3,3-dicarboxylate 在
tris-(dibenzylideneacetone)dipalladium(0) 作用下,
以
乙腈 为溶剂,
反应 10.0h,
以49%的产率得到methyl (2S,5R)-5-[[tert-butyl(dimethyl)silyl]oxymethyl]-2-[1-(4-methylphenyl)sulfonylindol-2-yl]-2,5-dihydrofuran-3-carboxylate