Hydrocarbon oxidation by homogeneous and heterogeneous non-heme iron (III) catalysts with H2O2
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Date
Authors
Bilis, G.
Christoforidis, K. C.
Deligiannakis, Y.
Louloudi, M.
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Elsevier
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peer reviewed
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Catalysis Today
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Homogeneous (LFeIII) and heterogeneous (LFeIII SiO2) [L = 3-{2-[2-(3-hydroxy-1 3-diphenyl-allylideneamino)-ethylamino]-ethylimino}-1 3-diphenyl propen-1-ol] catalysts have been synthesized and evaluated catalytically In CH3CN both the homogeneous and heterogeneous catalysts were efficient in alkene oxidations Cyclohexane oxidation provides total yield of 12 1% and 73% with an alcohol/ketone (A/K) ratio of 1 75 and 1 60 by the LFeIII and the LFeIII SiO2 catalysts respectively UV-vis kinetic data suggest formation of LFeIII-OOH species EPR data show that in the presence of CH3CN low-spin Fe-III (S = 1/2) centers are formed which are responsible for the catalytic activity The heterogeneous LFe SiO2 catalyst tested up to 5 re-uses shows a total yield loss similar to 4% per use providing the same distribution of oxidation products (C) 2010 Elsevier B V All rights reserved
Description
Keywords
non-heme iron, biomimetic catalysis, hydrocarbon oxidation, h2o2, fe-ooh, low spin fe, electron-paramagnetic-resonance, olefin cis-dihydroxylation, spin iron(iii) complexes, dioxygen activation, methane monooxygenase, alkane hydroxylation, hydrogen-peroxide, chemistry, enzymes, epoxidation
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<Go to ISI>://000284502000018
http://ac.els-cdn.com/S0920586110002439/1-s2.0-S0920586110002439-main.pdf?_tid=1a4e9b34-362f-11e3-9381-00000aacb35d&acdnat=1381906348_6c669982aecab1c9824e411550e9514c
http://ac.els-cdn.com/S0920586110002439/1-s2.0-S0920586110002439-main.pdf?_tid=1a4e9b34-362f-11e3-9381-00000aacb35d&acdnat=1381906348_6c669982aecab1c9824e411550e9514c
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας