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Abstract
1, 2, 3-Triazoles were synthesized using a one-pot procedure via a threecomponent reaction between an organic halide, sodium azide and alkyne in the presence of an ionic liquid choline chloride-CuCl catalyst. The catalyst can increase the rate of the nucleophilic substitution reaction and showed a high catalytic activity for the [3+2] Huisgen cycloaddition in water. This method is applicable for a wide range of alkynes including aromatic and heterocyclic substrates.
Keywords: Aqueous media, choline chloride, CuCl, cycloaddition, ionic liquid catalyst, three-component.
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