乙酸酐 、
[2aR-(4β,4aα,5β,6α,7aα,7bα)]-2a,3,4,4a,5,6,7a,7b-octahydro-4,5-(dihydroxy)-6-[(hydroxy)methyl]-2H-1,7-dioxacyclopent[cd]indene 在
吡啶 作用下,
反应 24.0h,
以84%的产率得到[2aR-(4β,4aα,5β,6α,7aα,7bα)]-4,5-(diacetoxy)-6-[(acetyloxy)methyl]-2a,3,4,4a,5,6,7a,7b-octahydro-2H-1,7-dioxacyclopent[cd]indene