[(3S,5R,9R,10R,13R,14S,17R)-14-cyano-4,4,10,13-tetramethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,5,6,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate 在
lithium aluminium tetrahydride 、 sodium cyanoborohydride 作用下,
以
乙醚 为溶剂,
生成 (3S,5R,9R,10R,13R,14S,17R)-14-Cyclopropylaminomethyl-17-((R)-1,5-dimethyl-hexyl)-4,4,10,13-tetramethyl-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol