trans-Silylation of silatranes and 1,2-dimethyl-2-azasilatran-3-one by Si-substituted trimethoxysilanes

trans-Silylation of silatranes by Si-substituted trimethoxysilanes has been found to be a reversible reaction, the equilibrium of which is shifted towards the formation of the silatrane bearing a stronger (shorter) transannular N→Si bond. A related reaction of 1,2-dimethyl-2-azasilatran-3-one with S...

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Bibliographic Details
Published in:Tetrahedron letters 2000-06, Vol.41 (24), p.4823-4826
Main Authors: Lazareva, Natalya F, Pestunovich, Vadim A, Albanov, Alexander I, Vesnin, Mikhail G, Voronkov, Mikhail G
Format: Article
Language:English
Subjects:
silatranes
silicon
trans-silylation
transannular bond
trialkoxysilanes
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Summary:trans-Silylation of silatranes by Si-substituted trimethoxysilanes has been found to be a reversible reaction, the equilibrium of which is shifted towards the formation of the silatrane bearing a stronger (shorter) transannular N→Si bond. A related reaction of 1,2-dimethyl-2-azasilatran-3-one with Si-substituted trimethoxysilanes leads to products in good yields only when phenyltrimethoxysilane is used.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(00)00736-X