(7'S,9'S,4S)-6'-acetoxy-7'-tert-butyldiphenylsilyloxy-11'-methoxy-2,2,5-trimethylspiro[1,3-dioxolane-4,9'-7',8',9',10'-tetrahydrotetracene]-5',12'-dione 在
溶剂黄146 、
2-碘酰基苯甲酸 作用下,
以
四氢呋喃 、
二甲基亚砜 为溶剂,
反应 23.0h,
生成
(7S,9S,1'S)-6-acetoxy-9-acetyl-9-hydroxy-7-(tert-butyldiphenylsilyloxy)-11-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione