Irradiation of an acetonitrile solution containing 1,1-dicyano-2-phenylethene or 1,2,4,5-tetracyanobenzene with 2,2-dimethylcyclopropanone silyl acetal in the presence of phenanthrene afforded regioselectively the addition or substitution product of C3-unit bearing ester group.
含有1,1-二
氰基-2- phenylethene或
1,2,4,5-四氰基苯,用
乙腈溶液的照射2,2- dimethylcyclopropanone甲
硅烷基
乙缩醛在
菲的区域选择性地得到C的添加或取代产物中存在3 -单元带有酯基。