Photoalkylation of tetracyanobenzene and benzil with (n-Bu)3SnSiMe3 or (n-Bu)3SnSn(n-Bu)3 proceeds via electron transfer. In these reactions, the Sn–C bond of (n-Bu)3SnSiMe3 and (n-Bu)3SnSn(n-Bu)3 is cleaved in preference to the Sn–Si and Sn–Sn bonds. Similar cleavage of the Sn–C bond is also observed in mass spectra of these group 14 organometallic compounds.
四
氰基苯和苯偶酰与(n-Bu)3SnSiMe3或(n-Bu)3SnSn(n-Bu)3的照相烷基化是通过电子转移进行的。在这些反应中,(n-Bu)3SnSiMe3和(n-Bu)3SnSn(n-Bu)3的Sn-C键断裂优先于Sn-Si和Sn-Sn键。在14族有机
金属化合物的质谱中,也观察到了类似的Sn-C键断裂。