17-(2-((5-bromopentyl)oxy)acetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one 在
sodium azide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以68%的产率得到17-(2-((5-azidopentyl)oxy)acetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one