(4α,5α,14α)-4-(2-propenyl)stigmastan-3-one 在
sodium hydroxide 、
双氧水 、
potassium tri-sec-butyl-borohydride 作用下,
生成 (3R,4S,5S,8S,9S,10R,13R,14S,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-4-prop-2-enyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol