Toluene-4-sulfonic acid (1R,3aR,3bS,5aR,6R,8aS,8bS)-6-((R)-1,5-dimethyl-hexyl)-3a,5a-dimethyl-1,2,3,3a,3b,4,5,5a,6,7,8,8a,8b,9-tetradecahydro-dicyclopenta[a,f]naphthalen-1-ylmethyl ester 在
potassium acetate 作用下,
以
水 、
丙酮 为溶剂,
生成
3β,5-Cyclo-5β-cholestan-6β-ol