Mixed reagent (aminosilyl)lithium/i-PrMgBr for the synthesis of functionalized oligosilanes
作者:Atsushi Kawachi、Kohei Tamao
DOI:10.1016/s0022-328x(00)00077-2
日期:2000.4
Mixed reagents prepared in situ from the (aminosilyl)lithiums with i-PrMgBr undergo coupling reactions with chloro-oligosilanes without SiSi bond cleavage, which is a serious side reaction with the (aminosilyl)lithiums themselves. Based on the coupling reaction and the amino-to-chloro transformation, functionalized tetrasilanes and hexasilanes are synthesized. The analysis of the 1H- and 29Si-NMR
由具有(I -PrMgBr )的(氨基甲硅烷基)锂原位制备的混合试剂会与氯代低聚硅烷发生偶联反应,而没有SiSi键断裂,这是与(氨基甲硅烷基)锂本身的严重副反应。基于偶联反应和氨基到氯的转化,合成了官能化的四硅烷和六硅烷。所述的分析1 H-和29的Si-NMR谱表明,这些低聚包括三个构型异构体,LL,UL,和UU。