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Issue 8-9, 1972
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Contributions to the chemistry of silicon–nitrogen compounds. Part CVIII. Nuclear magnetic resonance kinetic study of the synthesis of tris(trimethylsilyl)amine

M. Murray,  G. Schirawski  and  U. Wannagat 

Abstract

The rates of reaction of metal derivatives of hexamethyldisilazane (M = Li, Na) with trimethylsilyl halides and pseudohalides (X = Cl, I, NC)[(Me3Si)2NM + XSiMe3→ MX + N(SiMe3)3] have been studied by n.m.r. spectroscopy in benzene and ether solution. They are in the following order for different M, X, and solvent: Na > Li; NC > I [double greater-than, compressed] Cl; C6H6 [graphic omitted] Et2O. For the reactions of Me3SiCN in benzene solution, evidence was obtained for formation of a complex between the reactants at an intermediate stage in the reaction. Bis(trimethylsilyl)sodium amide and trimethylsilyl iodide give tris(trimethylsilyl)amine in benzene solution with high yield at 20 °C in only 10 min. Trimethylsilyl cyanide reacts much faster with lithium bis(trimethylsilyl)amide than with pentacarbonyliron.

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Article type: Paper
DOI: 10.1039/DT9720000911
Citation: J. Chem. Soc., Dalton Trans., 1972,0, 911-914
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    Contributions to the chemistry of silicon–nitrogen compounds. Part CVIII. Nuclear magnetic resonance kinetic study of the synthesis of tris(trimethylsilyl)amine

    M. Murray, G. Schirawski and U. Wannagat, J. Chem. Soc., Dalton Trans., 1972, 0, 911
    DOI: 10.1039/DT9720000911

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