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Dipyrrinphenol-Mn(III) complex: synthesis, electrochemistry, spectroscopic characterisation and reactivity.

Abstract : Herein, we report the manganese complex with a novel trianionic ligand, the pentafluorophenyldipyrrinphenol ligand DPPH(3). The X-ray crystal structure reveals that the Mn(III) complex exists in a dimeric form in the solid state. Electrochemical studies indicate two quasi-reversible one electron oxidation processes. EPR data on the one electron oxidised species in solution support the formation of a monuclear Mn complex with an S = 3/2 spin system. Preliminary studies towards epoxidation reactions were tested in the presence of iodosylbenzene (PhIO) and are in favour of an oxygen-atom-transfer (OAT) reaction catalyzed by the Mn(III) complex.
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https://hal.archives-ouvertes.fr/hal-00695893
Contributor : Frédérique Depierre Connect in order to contact the contributor
Submitted on : Thursday, May 10, 2012 - 11:04:45 AM
Last modification on : Friday, October 7, 2022 - 3:58:23 AM

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Sanae El Ghachtouli, Karolina Wójcik, Laurent Copey, Florence Szydlo, Eric Framery, et al.. Dipyrrinphenol-Mn(III) complex: synthesis, electrochemistry, spectroscopic characterisation and reactivity.. Dalton Transactions, 2011, 40 (36), pp.9090-3. ⟨10.1039/c1dt10868a⟩. ⟨hal-00695893⟩

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