potassium thioacyanate 、 3β-acetoxy-6-nitro-7α-bromocholest-5-ene 以
甲醇 、
乙醚 为溶剂,
反应 24.0h,
以90%的产率得到Acetic acid (7R,8S,9S,10R,13R,14S,17R)-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]phenanthren-3-yl ester