Process for the preparation of aryl diazonium salts and...

Details Process for the preparation of aryl diazonium salts and... Process for the preparation of aryl diazonium salts and...

C - Chemistry, Metallurgy

07

B

C07B 39/00 (2006.01) C07C 17/093 (2006.01) C07C 25/18 (2006.01) C07C 201/12 (2006.01) C07C 205/12 (2006.01)

Patent

CA 2528453

A process for performing nucleophilic substitution reactions on aryl diazonium salts or derivatives thereof wherein the aryl diazonium salt is first generated in an aqueous solvent system followed by partitioning of the aryl diazonium salt with a hydrophobic ionic liquid thereby allowing subsequent reaction of the aryl diazonium salt with an appropriate nucleophilic species in the hydrophobic ionic liquid to the desired product without the need to first isolate the aryl diazonium salt.

L'invention concerne un procédé permettant de réaliser des réactions de substitution nucléophile sur des sels d'aryl diazonium ou des dérivés de ces derniers. Un sel d'aryl diazonium est d'abord généré dans un système de solvants aqueux, puis ce sel d'aryl diazonium est séparé au moyen d'un liquide ionique hydrophobe, ce qui entraîne la réaction du sel d'aryl diazonium avec une espèce nucléophile appropriée dans le liquide ionique hydrophobe, laquelle réaction permet d'obtenir le produit voulu sans avoir à isoler le sel d'aryl diazonium.

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