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Journal of catalysis

… -pot two-and three-step synthesis of quinoxalines from biomass-derived glycols and 1, 2-dinitrobenzene derivatives using supported gold nanoparticles as catalysts

…, AB Hungría, S Iborra, S Martínez-Silvestre

文献索引:Climent; Corma; Hernandez; Hungria; Iborra; Martinez-Silvestre Journal of Catalysis, 2012 , vol. 292, p. 118 - 129

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被引用次数: 25

摘要

An efficient and selective one-pot two-step method, for the synthesis of quinoxalines by oxidative coupling of vicinal diols with 1, 2-phenylenediamine derivatives, has been developed by using gold nanoparticles supported on nanoparticulated ceria (Au/CeO2) or hydrotalcite (Au/HT) as catalysts and air as oxidant, in the absence of any homogeneous base. Reaction kinetics shows that the reaction controlling step is the oxidation of the diol ...

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