(3S,8S,9S,10R,13R,14S,17R)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,6-diol 在
chromium(VI) oxide 、
硫酸 作用下,
生成
(5S,6R,8S,9S,10R,13R,14S,17R)-17-((R)-5-Hydroxy-1,5-dimethyl-hexyl)-3,3-dimethoxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-6-ol