(1α,4α,4aβ,5α,8α,8aβ,9β,10β,10aβ)-1,4,4a,5,8,8a,9,9a,10,10a-decahydro-11,12-dioxo-[1,4:5,8]dimethanoanthracene-9,10-diol 、
乙酸酐 在
三乙胺 作用下,
反应 3.5h,
以93%的产率得到(1α,4α,4aβ,5α,8α,8aβ,9β,10β,10aβ)-1,4,4a,5,8,8a,9,9a,10,10a-decahydro-11,12-dioxo-[1,4:5,8]dimethanoanthracene-9,10-diol diacetate