Abstract
A new simple method for synthesizing organyl(2, 2′, 2″-aminotriethoxy)silanes R
, named 1-organylsilatranes, is developed. It is based on splitting polyorganylsesquisiloxanes (RSiO1.5)x, polyorganylsiloxanols [RSiO1, 5−y(OH)2y]x, or polyorganylhydrosiloxanes (RSiHO)m with triethanolamine in the presence of an alkaline catalyst. Six compounds of the type mentioned were synthesized by this method, of which three (1-ethyl-, 1-isopropyl- and 3, 7-dimethyl-1-phenylsilatrane) were previously unknown, and certain of their properties are described. The resistance of 1-organylsilatranes to hydrolysis, their high dipole moments, and their inability to give ammonium compounds when treated with CH3I indicate that they contain an intramolecular coordinated link Si←N. 1-Arylsilatranes have a well-defined physiological activity.
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Voronkov, M.G., Zelchan, G.I. Atranes. I. A new method for synthesizing 1-alkyl and aryl silatranes. Chem Heterocycl Compd 1, 33–37 (1965). https://doi.org/10.1007/BF01168915
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DOI: https://doi.org/10.1007/BF01168915