7-(2'-formylethyl)-3-methoxyestra-1,3,5(10),6-tetraene-17-one-17,17-(2''-[5'',5''-dimethyl-1'',3''-dioxane]) 、
p-(4-nitrophenylethynyl)benzoylmethylidenetriphenylphosphorane 在
苯甲酸 作用下,
以
苯 为溶剂,
反应 12.0h,
以61%的产率得到7-{4'-[4-(p-nitrophenylethynyl)benzoyl]but-3'-en-1'-yl}-3-methoxyestra-1,3,5(10),6-tetraene-17-one-17,17-(2''-[5'',5''-dimethyl-1'',3''-dioxane])