Irradiations of acetonitrile-alcohol (3 : 1) solutions of arylmethyl silanes, germane, or stannanes in the presence of Cu(BF4)2 gave alkyl arylmethyl ethers in good yields via arylmethyl cations. The efficiency of this photoreaction increased in the order of Si- < Ge- < Sn-compounds.
在Cu(
BF4)2 存在下,芳甲基
硅烷、
锗烷或
锡烷的
乙腈-醇(3:1)溶液的辐照通过芳甲基阳离子以良好的产率得到烷基芳甲基醚。这种光反应的效率以 Si- < Ge- < Sn-化合物的顺序增加。