Irradiation of 1-aryl-2,2-dicyanoethenes and tetraalkylstannanes in propionitrile in the presence of phenanthrene afforded regioselectively 1-alkyl-1-aryl-2,2-dicyanoethanes in good yields.
在
丙腈中照射1-芳基-2,2-二
氰乙烯和四烷基
锡化合物,在
芴的存在下, regioselectively地得到1-烷基-1-芳基-2,2-二
氰乙烯,产率较高。