4-(3-{(3S,5R,7R,8R,9S,10S,13R,14S,17R)-17-[(R)-4-(tert-Butyl-dimethyl-silanyloxy)-1,5-dimethyl-hexyl]-7-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ylamino}-propylamino)-butyronitrile 在
lithium aluminium tetrahydride 作用下,
以
乙醚 为溶剂,
反应 6.0h,
以93%的产率得到(3S,5R,7R,8R,9S,10S,13R,14S,17R)-3-[3-(4-Amino-butylamino)-propylamino]-17-[(R)-4-(tert-butyl-dimethyl-silanyloxy)-1,5-dimethyl-hexyl]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-7-ol