(2R,3S,5S,8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-2-nitromethyl-hexadecahydro-cyclopenta[a]phenanthren-3-ol 在
三苯基膦 、
偶氮二甲酸二乙酯 作用下,
以
苯 为溶剂,
反应 1.0h,
以76%的产率得到(2S,3R,5S,8R,9S,10S,13R,14S,17R,20S)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-20-nitro-octadecahydro-cyclopropa[2,3]cyclopenta[a]phenanthrene