(22S,23R,24S)-3β,23-diacetoxy-22-iodo-24-methyl-5α-cholest-8(14)-en-15-one 在
silver(I) acetate 、
溶剂黄146 作用下,
反应 2.0h,
以65%的产率得到(2S,5S)-2-((3S,5S,9R,10S,13R,17R)-3-acetoxy-10,13-dimethyl-15-oxo-2,3,4,5,6,7,9,10,11,12,13,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-4-hydroxy-5,6-dimethylheptan-3-yl acetate