在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
反应 0.33h,
以100%的产率得到tert-butyl (1R,3S,5S)-5-[2-[(1S,2S,4aS,4bR,6R,8R,8aS,10R,10aS)-1-(2-benzoyloxyethyl)-1,2,4a,6-tetramethyl-3-oxo-8,10-bis(triethylsilyloxy)-4,4b,5,6,7,8,8a,9,10,10a-decahydrophenanthren-2-yl]ethyl]-3-methyl-8-oxa-6-azabicyclo[3.2.1]octane-6-carboxylate