3α,4α-epoxy-5α-androstan-17β-yl acetate 在
ammonium cerium(IV) nitrate 作用下,
以
乙腈 为溶剂,
反应 4.0h,
以25%的产率得到[(3R,4R,5R,8R,9S,10R,13S,14S,17S)-3-hydroxy-10,13-dimethyl-4-nitrooxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate