乙烯 、 alkaline earth salt of/the/ methylsulfuric acid 在
十二/十四烷基二甲基氧化胺 作用下,
生成
methyl 13-acetyl-12-methoxypodocarpa-8,11,13-trien-19-oate 、 methyl 17ζ-hydroxy-12-methoxy-4α,17ζ-dimethyl-18-nor-5ζa-androsta-8,11,13-triene-4β-carboxylate 、
methyl 17α-hydroxy-12-methoxy-4α,17ζ-dimethyl-18-nor-5α-androsta-8,11,13-triene-4β-carboxylate 、
methyl 17β-hydroxy-12-methoxy-4α,17α-dimethyl-18-nor-5α-androsta-8,11,13-triene-4β-carboxylate