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Functionalized polymers with metal complexing segments: a simple and high-yield entry towards 2,2′:6′,2″-terpyridine-based oligomers
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2000
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Materials ScienceEngineeringMacromolecular EngineeringTransition Metal IonsPolymer ScienceEthylene OxideOrganic ChemistryHigh Yield ReactionCoordination PolymerChemistryOrganometallic PolymerHybrid MaterialsPolymer ReactionSupramolecular PolymerPolymer ChemistryPolymer SynthesisPolymers
Williamson type ether reactions were utilized for a high yield reaction of 4′-chloro-2,2′:6′,2″-terpyridine with α,ω-dihydroxy-functionalized poly(ethylene oxide) and poly(oxytetramethylene)s to obtain bis(terpyridine)-terminated telechelics. The completeness of the functionalization was proven by NMR spectroscopy, GPC and MALDI-TOF-MS investigations. The addition of transition metal ions resulted in a polyaddition polymerization leading to the formation of extended metallo-supramolecular polymers, as proven by UV/VIS spectroscopy titration experiments.