An Improved Catalytic Performance of Fe

An Improved Catalytic Performance of Fe

N-hydroxyphthalimide (NHPI) is a promising catalyst in aerobic oxidation of hydrocarbons to corresponding hydroperoxides. We have found that a trace amount of Fe(benz).sub.3 or Fe(acac).sub.3 (in concentration of less than 10.sup.-1 mmol/l and with the ratio of Fe(III): NHPI = 1:500) considerably ac...

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Veröffentlicht in:Catalysis letters 2020-04, Vol.150 (4), p.1020
Hauptverfasser: Kuznetsova, N. I, Kuznetsova, L. I, Yakovina, O. A, Karmadonova, I. E, Bal'zhinimaev, B. S
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Olefins
Oxidation-reduction reaction
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container_title Catalysis letters
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creator Kuznetsova, N. I
Kuznetsova, L. I
Yakovina, O. A
Karmadonova, I. E
Bal'zhinimaev, B. S
description N-hydroxyphthalimide (NHPI) is a promising catalyst in aerobic oxidation of hydrocarbons to corresponding hydroperoxides. We have found that a trace amount of Fe(benz).sub.3 or Fe(acac).sub.3 (in concentration of less than 10.sup.-1 mmol/l and with the ratio of Fe(III): NHPI = 1:500) considerably accelerates the oxidation of cyclohexene and ethylbenzene, while retaining the selectivity to hydroperoxides at a level of 90%. As a consequence, the reaction temperature could be lowered down to 50-60 °C. The promoting effect of the additives was attributed to the ability of Fe(III) complexes to generate phthalimido-N-oxyl radicals (PINO) without participation in any transformations of hydrocarbon intermediates and hydroperoxides, thus ensuring selective formation and stability of the hydroperoxides.
doi_str_mv 10.1007/s10562-019-02999-x
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Oxidation-reduction reaction
title An Improved Catalytic Performance of Fe
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