p-Nitroso-N,N-bis(β-chlorethyl)anilin 、
3β-cyanacetoxy-cholest-5-ene 在
氢氧化钾 作用下,
以
乙二醇二甲醚 为溶剂,
生成 {(E)-4-[Bis-(2-chloro-ethyl)-amino]-phenylimino}-cyano-acetic acid (3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester