Photolyses of a series of octaalkylcyclotetrasilanes (1) in a hydrocarbon solvent successively afforded hexaalkylcyclotrisilanes (2) and tetraalkyldisilenes (3). Compounds 2 and 3 were found to exhibit their absorption bands corresponding to the lowest energy transitions at λmax 300–330 and 390–440 nm, respectively.
一系列八烷基环四
硅烷 (1) 在烃溶剂中的光解依次提供六烷基环三
硅烷 (2) 和四烷基二
硅烷 (3)。发现化合物 2 和 3 的吸收带分别对应于 λmax 300-330 和 390-440 nm 处的最低能量跃迁。