作者:U. Herzog、U. Böhme、G. Rheinwald
DOI:10.1016/s0022-328x(00)00432-0
日期:2000.10
The reactions of the chlorosilanes Me3SiCl, Me2SiCl2, MeSiCl3, SiCl4, SiClMe2–SiClMe2 and SiCl2Me–SiCl2Me with ethane-1,2-dithiol and benzene-1,2-dithiol have been investigated. All silicon dithiolates formed have been characterized by 1H-, 13C- and 29Si-NMR. The formation of five-membered rings SiS2C2 is accompanied by a strong downfield shift of the 29Si-NMR signals. The molecular structures of Me2SiS2(o-C6H4)
氯硅烷Me 3 SiCl,Me 2 SiCl 2,MeSiCl 3,SiCl 4,SiClMe 2 -SiClMe 2和SiCl 2 Me–SiCl 2 Me与乙烷-1,2-二硫醇和苯-1,2-二硫醇的反应具有被调查了。形成的所有二硫代硅酸盐已通过1 H-,13 C-和29 Si-NMR表征。五元环SiS 2 C 2的形成伴随着29 Si-NMR信号的强下场偏移。Me 2 SiS 2的分子结构报告了(o -C 6 H 4)(6),Si [S 2(o -C 6 H 4)] 2(7)和[MeSiS 2(o -C 6 H 4)] 2(11)。将发现的几何形状与B3LYP / 6-31G *水平的DFT计算结果进行比较,并观察到螺旋化合物Si [(SCH 2)2 ] 2(1)和7中SiS 4四面体的部分平面化 讨论。