Bis(pyridine-2-carboxaldehyde oxime)copper(II) sulphate as catalyst precursor in the oxidation of veratryl alcohol by dioxygen |
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| Authors: | Heikki Korpi, Mika Polamo, Markku Leskel ,Timo Repo |
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| Affiliation: | aLaboratory of Inorganic Chemistry, Department of Chemistry, P.O. Box 55, University of Helsinki, FIN-00014 Helsinki, Finland |
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| Abstract: | In situ generated [CuII(pyridine-2-carboxaldehyde oxime)2] complex catalyses selective oxidation of veratryl alcohol (3,4-dimethoxybenzyl alcohol) to aldehyde by molecular oxygen in aqueous solution. Under alkaline conditions, the catalyst has both oxime groups deprotonated and the solid state structure of the complex reveals a square pyramidal geometry established by two pyridine-2-carboxaldehyde oxime ligands and sulphate as a counter anion. |
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| Keywords: | Catalytic oxidation Copper Pyridine-2-carboxaldehyde oxime Molecular oxygen |
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