(1S,3S,4aS,4bR,6R,8R,8aS,10S,10aR)-10-(tert-butyldimethylsilyloxy)-1,4a,6-trimethyl-8-(triethylsilyloxy)-1-vinyltetradecahydrophenanthren-3-ol 在
9-硼双环[3.3.1]壬烷 、
双氧水 、 sodium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 5.0h,
以93%的产率得到(1R,3S,4aS,4bR,6R,8R,8aS,10S,10aR)-10-(tert-butyldimethylsilyloxy)-1-(2-hydroxyethyl)-1,4a,6-trimethyl-8-(triethylsilyloxy)tetradecahydrophenanthren-3-ol