Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 348, Issue 9, Pages 1016-1020Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200606043
Keywords
catalyst immobilization; oxidation; oxygen; polymers; polystyrene resin; TEMPO
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TEMPO was readily grafted by copper(I)-catalyzed azide-alkyne cycloaddition onto polystyrene. Starting with commercially available Merrifield resin (4.3 mmol/g) almost quantitative loading of TEMPO onto the polymer was achieved (>= 4 mmol/g). The so obtained PS-CLICK-TEMPO allowed the oxidation of alcohols to aldehydes with bleach or molecular oxygen as the terminal oxidant with high yields and selectivity in multiple cycles without loss of activity.
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