REUSABLE POLYMER-SUPPORTED 2,2 '-BIARYLPYRIDINE-COPPER COMPLEXES FOR HUISGEN [3+2] CYCLOADDITION IN WATER

[摘要]：Polymer-supported 2,2'-biarylpyridine copper complexes were prepared and found to promote the Huisgen [3+2] cycloaddition reaction between azides and alkynes in water to give the corresponding triazoles in up to 95% isolated yield. The catalyst was recovered and reused several times without any loss in catalytic activity. ICP-AES analysis of the aqueous phase revealed barely detectable levels of copper residue.

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