乙酸酐 、 (3S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-3-methylsulfanylmethoxy-hexadecahydro-cyclopenta[a]phenanthrene 在
三甲基氯硅烷 、
硫酸 作用下,
以
乙醚 为溶剂,
生成
3beta-胆甾烷醇 、
Acetic acid (3S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yloxymethyl ester 、
cholestan-3β-yl acetate