(1R,2S,3S,6R,7R,10R,11R,13E)-7-[(2S)-1-[tert-butyl(dimethyl)silyl]oxypropan-2-yl]-6,15-dimethyl-2-triethylsilyloxytetracyclo[12.3.1.03,11.06,10]octadeca-13,15-dien-11-ol 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以85%的产率得到(1R,3S,5R,6R,9R,10R,13S,14S,15R,17R,19R)-9-[(2S)-1-[tert-butyl(dimethyl)silyl]oxypropan-2-yl]-10,19-dimethyl-14-triethylsilyloxy-2,18-dioxahexacyclo[13.4.1.01,3.05,13.06,10.017,19]icosan-5-ol