Issue 0, 1970

Synthesis and properties of some silylphosphinoalkylamines

Abstract

Silylphosphinoalkylamines, R13Si·NR2·PPh2(R1= Me, R2= Me, Et, or Pri and R1= Ph, R2= Me), have been prepared by reactions of N-lithiated methylaminodiphenylphosphine with chlorosilanes, or of N-lithiated aminotrimethylsilanes with chlorodiphenylphosphine. The reaction of diphenylphosphino(trimethylsilyl)methylamine (R1= Me, R2= Me) to oxidation by sulphur or methyl iodide, cleavage by water, and cleavage by various halides of phosphorus [Ph2P(X)CI (X = nothing or S), PCI3, and POCI3] have been investigated. All cleavage reactions take place preferentially at the silicon–nitrogen bond. The exchange reactions are compared with those between heptamethyldisilazane, (Me3Si)2NMe, and the phosphorus chlorides, Ph2P(X)CI (X = nothing, O, or S). Aspects of the i.r. and 1H n.m.r. spectra of these derivatives are reported and discussed.

Article information

Article type
Paper

J. Chem. Soc. A, 1970, 1795-1799

Synthesis and properties of some silylphosphinoalkylamines

R. Keat, J. Chem. Soc. A, 1970, 1795 DOI: 10.1039/J19700001795

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