(1R,2S,4S)-2-Acetyl-2,5,7-trihydroxy-4-((1R,2R)-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 作用下,
以
四氢呋喃 、
N,N-二甲基甲酰胺 为溶剂,
生成
(8R,10S)-8-Acetyl-1,8,11-trihydroxy-10-((1R,2R)-2-hydroxy-1-methyl-propoxy)-7,8,9,10-tetrahydro-naphthacene-5,12-dione