(E)-3-[(1S,2S,3aR,8bR)-2-hydroxy-5-[4-(oxan-2-yloxy)butyl]-2,3,3a,8b-tetrahydro-1H-cyclopenta[b][1]benzofuran-1-yl]prop-2-enal 、
tributyl propoxymethyl-stannane 生成 4-[(1S,2R,3aS,8bS)-2-hydroxy-1-[(E,3R)-3-hydroxy-4-propoxybut-1-enyl]-2,3,3a,8b-tetrahydro-1H-cyclopenta[b][1]benzofuran-5-yl]butanoic acid