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A Facile Strategy to a New Fluorous-Tagged, Immobilized TEMPO Catalyst Using a Click Reaction, and Its Catalytic Activity
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2006
Year
Materials ScienceNew Fluorous-taggedChemical EngineeringFluorous F17-click-tempoEngineeringCatalytic ApplicationFacile StrategyCatalyst RecyclingOrganic ChemistryCatalysisCopper-catalyzed Azide-alkyne CycloadditionChemistryCatalyst PreparationImmobilized Tempo CatalystSilica Gel 60Catalytic Synthesis
A new fluorous-tagged TEMPO catalyst was prepared by a facile approach using the copper-catalyzed azide-alkyne cycloaddition as the ligation method. A fluorous F17-CLICK-TEMPO showed excellent activity and selectivity in the oxidation of alcohols to aldehydes using bleach as the terminal oxidant. Moreover, the catalyst could be easily recovered using silica gel 60 and recycled in four cycles without loss of activity.