(6aR,7aS,8S,10aS,11aR,11bS)-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 在
lithium 作用下,
以
四氢呋喃 、
氨 为溶剂,
反应 1.0h,
以65%的产率得到(4aR,6aR,7S,8S,10aS,11aR,11bR)-hexadecahydro-8-hydroxy-7a-methyl-3H-cyclopenta[b]phenanthren-3-one