16ξ-phenylsulfoxide-18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5-estren-17-one 、 3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-18-methyl-16ξ-phenylsulfoxide-10-estren-17-one 在
三乙胺 作用下,
以
邻二甲苯 为溶剂,
反应 2.5h,
生成 18-methyl-3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-5,15-estradien-17-one 、 3,3-(2',2'-dimethyl-1',3'-propylenedioxy)-18-methyl-10,15-estradien-17-one