Electrooxidation of Alcohols in a Disperse System with N-Oxyl-immobilized Polyethylene Particles as Disperse Phase and Aqueous NaHCO3/NaBr as Disperse Media: A Totally Closed Electrolysis System

Abstract Electrooxidation of alcohols was performed successfully in a disperse system with N-oxyl immobilized polyethylene particles as disperse phase and an aqueous saturated NaHCO 3 solution involving 20 wt% NaBr as disperse media. The N-oxyl immobilized polyethylene particles were prepared by hea...

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Bibliographic Details
Published in:Synlett 2003-06, Vol.2003 (7)
Main Authors: Tanaka, Hideo, Kubota, Jun, Itogawa, Shin-ji, Ido, Toru, Kuroboshi, Manabu, Shimamura, Kaoru, Uchida, Tetsuya
Format: Article
Language:English
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Summary:Abstract Electrooxidation of alcohols was performed successfully in a disperse system with N-oxyl immobilized polyethylene particles as disperse phase and an aqueous saturated NaHCO 3 solution involving 20 wt% NaBr as disperse media. The N-oxyl immobilized polyethylene particles were prepared by heating a suspension of polyethylene particles (3 × 3 × 0.02 mm 3 ) in fuming nitric acid at 80 °C for 1 h followed by treatment with 4-amino-2,2,6,6-tetramethylpyperidine-1-oxyl in chlorobenzene in the presence of DCC. Recycle use of the N-oxyl-immobilized polyethylene particles and the aqueous media was performed successfully without significant change of the yields of the products and current efficiency, thereby offering a totally closed electrolysis system.
ISSN:0936-5214
1437-2096
DOI:10.1055/s-2003-39311