(2S,4R)-5-Hydroxy-4,7,12-trimethoxy-6,11-dioxo-2-trimethylsilanyloxy-1,2,3,4,6,11-hexahydro-naphthacene-2-carboxylic acid methyl ester 在
potassium fluoride 作用下,
以
二甲基亚砜 为溶剂,
反应 1.0h,
以37 mg的产率得到(2S,4R)-2,5-Dihydroxy-4,7,12-trimethoxy-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacene-2-carboxylic acid methyl ester