(6aS,7aR,8R,10aR,11aS,11bR)-1,2,5,6,6a,7,7a,8,9,10,10a,11,11a,11b-Tetradecahydro-8-hydroxy-7a-methyl-3H-cyclopenta[b]phenanthren-3-one 以
吡啶 、
氘代丙酮 为溶剂,
生成
(4aR,6aS,7aR,10aR,11aS,11bS)-Dodecahydro-7a-methyl-1H-cyclopenta[b]phenanthrene-3,8(2H,4H)-dione