(8R,9S,10R,13S,14S,17S)-6,17-bis[[tert-butyl(dimethyl)silyl]oxy]-10,13-dimethyl-2,3,6,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-2,3-diol 在
碘苯二乙酸 作用下,
以
乙腈 为溶剂,
反应 24.0h,
生成 tert-butyl-[[(1R,2S,4S,5S,8S,9S,12S,13R,15R)-2-[tert-butyl(dimethyl)silyl]oxy-9,13-dimethyl-16,19-dioxapentacyclo[13.3.1.01,13.04,12.05,9]nonadec-17-en-8-yl]oxy]-dimethylsilane 、
tert-butyl-[[(1R,2R,4S,5S,8S,9S,12S,13R,15R)-2-[tert-butyl(dimethyl)silyl]oxy-9,13-dimethyl-16,19-dioxapentacyclo[13.3.1.01,13.04,12.05,9]nonadec-17-en-8-yl]oxy]-dimethylsilane