2β-(trimethylsilyl)-2α,3α-epoxycholestane 在
lithium aluminium tetrahydride 、 sodium dichromate 、
硫酸 作用下,
生成 cholestan-3-one 、 (8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-1,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-2-one