Activated alkaline earth metal, in particular magnesium, for...

Details Activated alkaline earth metal, in particular magnesium, for... Activated alkaline earth metal, in particular magnesium, for...

C - Chemistry, Metallurgy

07

C

C07C 29/70 (2006.01) C01F 5/30 (2006.01) C01F 7/48 (2006.01) C07C 31/30 (2006.01) C07F 5/06 (2006.01)

Patent

CA 2620531

The present invention relates to an activated alkaline earth metal, to a method for its production and the use of the activated alkaline earth metal for the preparation of Grignard compounds and organoalkaline earth metal compounds. For the activation, the alkaline earth metal, in particular magnesium (filings), is reacted in an aprotic solvent such as toluene with an organic aluminium halide compound of the general formula AlR3-nHaln at temperatures between 20 and 110~C.

L'invention concerne un métal alcalino-terreux, un procédé permettant de le produire et l'utilisation dudit métal alcalino-terreux pour produire des composés Grignard et des composés de métal organo-alcalino-terreux. Pour effectuer l'activation, le métal alcalino-terreux, notamment du magnésium (particules fines), est mis à réagir dans un solvant aprotique tel que du toluène avec un composé halogénure d'aluminium organique de formule générale A1R3-nHa1n, à des températures comprises entre 20 et 110 °C.

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