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Base-free copper-catalyzed aerobic oxidation of benzylic alcohols with N-benzylidene-N,N-dimethylthane-1,2-diamine and TEMPO

Paper ID Volume ID Publish Year Pages File Format Full-Text
51724 46851 2011 4 PDF Available
Title
Base-free copper-catalyzed aerobic oxidation of benzylic alcohols with N-benzylidene-N,N-dimethylthane-1,2-diamine and TEMPO
Abstract

Selective oxidation of alcohols using N-benzylidene-N,N-dimethylthane-1,2-diamine, CuBr2 and TEMPO as the catalytic system was developed. Catalyzed by this simple catalytic system in the absence of any external base, various benzylic alcohols could be oxidized to their corresponding aldehydes with excellent yields in CH3CN/H2O (v/v = 1/1) under 0.2 MPa O2 at 80 °C.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► N-benzylidene-N,N-dimethylthane-1,2-diamine, CuBr2 and TEMPO as a catalyst system. ► The simple ligand could be easily synthesized. ► Efficient aerobic oxidation of benzylic alcohols into aldehydes under mild conditions. ► the oxidations occurred well without any external base, being unlike the previous Cu/TEMPO systems.

Keywords
Aerobic oxidation; Alcohol; N-benzylidene-N,N-dimethylthane-1,2-diamine; Copper; TEMPO
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Base-free copper-catalyzed aerobic oxidation of benzylic alcohols with N-benzylidene-N,N-dimethylthane-1,2-diamine and TEMPO
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 14, Issue 1, 25 October 2011, Pages 92–95
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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Full-text PDF Download
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