(4S,5S,6S,8S,9R,10R,11S,12S,13S,14S)-11-(benzyloxy)-14-(6-ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-9,13-dihydroxy-4,6,8,10,12-pentamethyl-5-((triethylsilyl)oxy)pentadecane-3,7-dione 在
2-碘酰基苯甲酸 作用下,
以
二甲基亚砜 为溶剂,
反应 48.0h,
以82%的产率得到(4S,5S,6S,10S,11S,12R,14R)-11-(benzyloxy)-14-(6-ethyl-3,5-dimethyl-4-oxo-4H-pyran-2-yl)-4,6,8,10,12-pentamethyl-5-((triethylsilyl)oxy)pentadecane-3,7,9,13-tetraone