(3S,5S,6S,10S,13S,17S)-10-((tert-butyldimethylsilyloxy)methyl)-13-methylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,6,17-triol 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 48.0h,
以95%的产率得到(5S,10S,13S)-10-((tert-butyldimethylsilyloxy)methyl)-13-methyldodecahydro-2H-cyclopenta[a]phenanthrene-3,6,17(14H)-trione