dimethyl 12-methoxy-4α,17-dimethyl-18-nor-5α-androsta-8,11,13,16-tetraene-4β,16-dicarboxylate 在
二甲基硫 、
臭氧 作用下,
生成
dimethyl 16ξ-hydroxy-12-methoxy-4α-methyl-17-methylene-18-nor-5α-androsta-8,11,13-triene-4β,16ξ-dicarboxylate 、 dimethyl <6aR-(1ξ,6aα,7β,10aβ)>-1-hydroxy-12-methoxy-1,7,10a-trimethyl-5,6,6a,7,8,9,10,10a-octahydro-1H-phenanthro<2,1-c>pyran-3,7-dicarboxylate