(10R,13S)-17-(1H-imidazol-1-yl)-10,13-dimethyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one 在
吡啶 、
盐酸羟胺 作用下,
以
乙醇 为溶剂,
以80%的产率得到(10R,13S,E)-17-(1H-imidazol-1-yl)-10,13-dimethyl-1,7,8,10,11,12,13,15,16,17-decahydro-2H-cyclopenta[a]phenanthren-3(6H,9H,14H)-one oxime