17-Cyano-3-methoxy-15beta,16beta-methyleneandrostane-3(4),5(6)-diene 、
3-溴丙烯 以after flash chromatography, afforded 17α-allyl-17β-cyano-3-methoxy-15β,16β-methyleneandrostane-3(4),5(6)-diene (358 mg)的产率得到17α-allyl-17β-cyano-3-methoxy-15β,16β-methyleneandrostane-3(4),5(6)-diene