2,4-dimethyl-4-phenyl-3-(trifluoromethyl)pent-1-en-3-ol 、 (3R,7R,10S,12S,13R,17R)-17-((R)-6-((ethoxycarbonothioyl)thio)-5-oxohexan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triyl triacetate 在
过氧化双月桂酰 作用下,
以
乙酸乙酯 为溶剂,
反应 6.0h,
以77%的产率得到(3R,7R,10S,12S,13R,17R)-10,13-dimethyl-17-((2R)-10,10,10-trifluoro-8-methyl-5,9-dioxodecan-2-yl)hexadecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triyl triacetate