potassium thioacyanate 、 3β-chloro-7α-bromo-6-nitro-cholest-5-ene 以
甲醇 、
乙醚 为溶剂,
反应 24.0h,
以85%的产率得到(7R,8S,9S,10R,13R,14S,17R)-3-Chloro-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-6-nitro-7-thiocyanato-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene