The photolysis of 1-pentamethyldisilanyl-4-(trimethylsilyl)benzene in the absence of a trapping agent afforded two isomers derived from head-to-head dimerization of the silene arising from a 1,3-trimethylsilyl shift to the phenylene ring.
The photolysis of 1-pentamethyldisilanyl-4-(trimethylsilyl)benzene in the absence of a trapping agent afforded two isomers derived from head-to-head dimerization of the silene arising from a 1,3-trimethylsilyl shift to the phenylene ring.