Gheorghe, Alexandru and Matsuno, Ai and Reiser, Oliver (2006) Expedient Immobilization of TEMPO by Copper-Catalyzed Azide-Alkyne [3+2]-Cycloaddition onto Polystyrene Resin. Advanced Synthesis & Catalysis 348 (9), pp. 1016-1020.
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Other URL: http://dx.doi.org/10.1002/adsc.200606043
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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|Institutions:||Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser|
|Keywords:||catalyst immobilization; oxidation; oxygen; polymers; polystyrene resin; TEMPO|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||06 Sep 2006|
|Last Modified:||05 Aug 2009 13:22|