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Abstract
A polymer-supported terpyridine copper(I) complex was prepared and found to promote the Huisgen’s [3+2] cycloaddition reaction in water between azides and alkynes. Thus, terpyridine ligand was prepared from p-hydroxybenzaldehyde, propane sultone, and 2-acetylpyridine for 2 steps. Immobilization of terpyridine ligand onto a polystyrene-poly(ethylene glycol) (PS-PEG) resin through ionic bonds to sulfonate group took place and the complexation of amphiphilic PS-PEG resin-bound terpyridine ligand with Cu(I) underwent to give PS-PEG-terpyridine-Cu(I) complex 1 as green solid. This polymeric catalyst showed high catalytic activity for the Huisgen 1,3-dipolar cycloaddition reaction of organic azides with acetylenes. This catalyst was recovered and reused for several times without any loss of catalytic activity.
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Schedule a callMore From: Transactions of the Materials Research Society of Japan
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