Base-free copper-catalyzed aerobic oxidation of benzylic alcohols with N-benzylidene-N,N-dimethylthane-1,2-diamine and TEMPO |
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| Affiliation: | 1. Department of Chemistry, Panskura Banamali College, Panskura RS, WB 721152, India;2. Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;3. CICECO, University of Aveiro, 3810-193 Aveiro, Portugal |
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| 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. |
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