[(3S,5S,6S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-5-hydroxy-3-methoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-6-yl]-acetaldehyde 在
lithium aluminium tetrahydride 作用下,
生成
(3S,5S,6S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-6-(2-hydroxy-ethyl)-3-methoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-5-ol