(+/-)-cis-7-<(tert-butyldimethylsilyl)oxy>-9-hydroxy-6,11-dimethoxy-9-<1-oxo-2-<(tert-butyldimethylsilyl)oxy>ethyl>-7,8,9,10-tetrahydonaphthacene-5,12-dione 在
氢氟酸 作用下,
以
乙腈 为溶剂,
反应 1.0h,
以98%的产率得到(+/-)-cis-7,9-dihydroxy-6,11-dimethoxy-9-(1-oxo-2-hydroxyethyl)-7,8,9,10-tetrahydonaphthacene-5,12-dione