(8R,9S,13S,14S,17S)-3-[tert-butyl(dimethyl)silyl]oxy-13-methyl-17-(3-tritylsulfanylprop-1-ynyl)-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
以75%的产率得到(8R,9S,13S,14S,17S)-13-Methyl-17-(3-tritylsulfanyl-prop-1-ynyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol