(4S,4aR,5S,6R,7aS,7bS)-4,4a,5,6,7a,7b-hexahydro-6-iodomethyl-2H-1,7-dioxacyclopent[cd]inden-4,5-diol dibenzoate 在
吡啶 、 silver fluoride 作用下,
以36%的产率得到(4S,4aR,5S,6R,7aS,7bS)-6-[(benzoyloxy)-methyl]-4,4a,5,6,7a,7b-hexahydro-2H-1,7-dioxa-cyclopent[cd]indene-4,5-diol dibenzoate