(5R,6S,8R,9R,10R,13S,14R,17S)-17-((E)-(S)-1,6-Dihydroxy-1,5-dimethyl-hex-4-enyl)-6-hydroxy-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthren-3-one 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 、
乙醚 为溶剂,
以120 mg的产率得到(3S,5R,6S,8R,9R,10R,13S,14R,17S)-17-((E)-(S)-1,6-Dihydroxy-1,5-dimethyl-hex-4-enyl)-4,4,8,10,14-pentamethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,6-diol