(1S,2R,4R)-2-Ethyl-2,5,7-trihydroxy-4-((1S,2S)-2-hydroxy-1-methyl-propoxy)-6,11-dioxo-1,2,3,4,6,11-hexahydro-naphthacene-1-carboxylic acid 2-trimethylsilanyl-ethyl ester 在
四丁基氟化铵 、
三氟乙酸 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
生成
(8S,10S)-8-Ethyl-1,8,10,11-tetrahydroxy-7,8,9,10-tetrahydro-naphthacene-5,12-dione