Journal of Organometallic Chemistry

Reactions d'halogeno-2,-3 et-4 alcoxysilanes avec le magnesium: resultants experimentaux et etude du mecanisme

P Fostein, JC Pommier

Index: Fostein,P.; Pommier,J.-C. Journal of Organometallic Chemistry, 1978 , vol. 150, p. 187 - 201

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Citation Number: 11

Abstract

Abstract The Grignard reaction with 2-, 3-or 4-halogenoalkoxysilanes does not lead to stable organomagnesium derivatives. Besides, or sometimes instead of, the normally expected elimination, a coupling or a disproportionation reaction takes place. It is shown that this unexpected behaviour occurs via free radical species at the surface of the magnesium, the process involving quite a long life time for the free radical intermediate Me 3 SiO (Full-size ...

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