Solvent free nucleophilic introduction of fluorine with [bmim][F] |
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Authors: | Sébastien Bouvet Bruce PégotEmmanuel Magnier |
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Institution: | Institut Lavoisier de Versailles (ILV), UMR CNRS 8180, Université de Versailles, St Quentin en Yvelines, 45 avenue des Etats-Unis, 78035 Versailles Cedex, France |
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Abstract: | 1-n-Butyl-3-methylimidazolium fluoride (bmim]F]) proved very efficient fluorinated reagent for nucleophilic substitution over sulfonate esters and alkyl halides. Preparation of the ionic liquid as well as its use as the reagent has been performed to be the more eco-friendly as possible. No organic solvent is needed for the fluoride introduction, reaction times are reduced by using microwave as the heating source, and the ionic liquids carefully recycled. Furthermore, no special care has to be taken as the presence of water in bmim]F] was not deleterious to the transformation yield. |
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Keywords: | Fluorination Ionic liquids Nucleophilic substitution Green chemistry Microwaves |
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