Se-phenyl 3α-acetoxy-5βH-selenocholanate 、
烯丙基硼酸频哪醇酯 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
四氢呋喃 为溶剂,
生成 (3R,5R,8R,9R,10S,13R,17R)-17-(4(S)-Hydroxy-1-methyl-6-heptenyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate 、 (3R,5R,8R,9R,10S,13R,17R)-17-(4-(R)-Hydroxy-1-methyl-6-heptenyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl acetate