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| Paper IPM / Physic / 7735 |
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| Abstract: | |||||
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In this work the effect of lipophilization of Co(II) ions on the
rate of the aerobic oxidation of acetals to esters in the presence
of N-hydroxy phthalimide (NHPI) was investigated. The catalysts
that were used in this work are Co(OAc)2 (1a),
Co(OCOC5H11)2 (1b), Co(OCOC6H5)2(1c), Co(OCOC9H19)2 (1d),
Co(OCOC17H35)2 (1e). It has been found that among the
described Co(II) salts, both 1b and 1c were
better suited than the other cobalt carboxylates in catalyzing of
aerobic oxidation of acetals in the presence of NHPI. The probable
role of the carboxylate ligands were also briefly discussed.
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