Effets de cryptands et activation de bases—II: Genese d'enolates et essais d'activation de LiH,NaH et KH dans l'ether,le THF et le benzene |
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| Authors: | R Le Goaller H Handel MA Pasquini JL Pierre |
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| Institution: | Laboratoire de Chimie Organique, Université Scientifique et Médicale, B. P. 53, 38041 Grenoble-Cedex, France |
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| Abstract: | The generation of the lithium, sodium and potassium enolates of cyclohexanone using LiH, NaH and KH has been investigated. The utilization of macrocyclic ligands (which selectively complex the metal cation) activated the alkaline hydride reagent. However, the most dramatic effect was the activation of the enolate, enabling proton abstraction from the solvent. |
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