基于NHC负载的硅烯与SiCl4反应得到的碱稳定硅亚胺及其无供体二聚体。
Base-stabilized silaimine and its donor-free dimer derived from the reaction of NHC-supported silylene with SiCl4.
作者信息
Cui Haiyan, Cui Chunming
机构信息
Jiangsu Key Laboratory of Pesticide Science, Department of Chemistry, College of Sciences, Nanjing Agricultural University, Nanjing 210095, People's Republic of China.
出版信息
Dalton Trans. 2015 Dec 21;44(47):20326-9. doi: 10.1039/c5dt03917g. Epub 2015 Nov 16.
Reaction of the N-heterocyclic carbene (NHC)-stabilized silylene ArN(SiMe3)Si(IiPr)Cl (1, Ar = 2,6-iPr2C6H3, IiPr = 1,3-diisopropyl-4,5-dimethyl-imidazol-2-ylidene) with SiCl4 resulted in the formation of three different products NHC-stabilized dichlorosilaimine ArN=Si(IiPr)Cl2 (2), aminotrichlorosilane ArN(SiMe3)SiCl3 (3) and a silaimine dimer (ArNSiCl2)2 (4) under different conditions. The products can be controlled by reaction conditions. Compound 2 is the first example of a less bulky NHC-supported silaimine via the reaction of a silylene with SiCl4.
N-杂环卡宾（NHC）稳定的硅烯ArN(SiMe3)Si(IiPr)Cl（1，Ar = 2,6-二异丙基苯，IiPr = 1,3-二异丙基-4,5-二甲基咪唑-2-亚基）与SiCl4反应，在不同条件下生成了三种不同的产物：NHC稳定的二氯硅亚胺ArN=Si(IiPr)Cl2（2）、氨基三氯硅烷ArN(SiMe3)SiCl3（3）和硅亚胺二聚体(ArNSiCl2)2（4）。产物可通过反应条件进行控制。化合物2是通过硅烯与SiCl4反应得到的体积较小的NHC负载硅亚胺的首个实例。
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