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Issue 1, 2014
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Insight into highly selective photocatalytic oxidation of alcohols by a new trinuclear ruthenium complex with visible light

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Abstract

A new ligand bearing two tpy moieties and one bpy unit (tpy = 2,2′:6′,2′′-terpyridine; bpy = 2,2′-bipyridine) linked by carbon–carbon single bonds and its corresponding trinuclear ruthenium complex were readily synthesized in high yield, and characterized by 1H NMR spectroscopy, high-resolution electrospray ionization mass spectrometry (HR-ESI/MS) and elemental analysis. The ruthenium complex exhibited moderate catalytic activity towards selective oxidation of alcohols in water with visible light under an air atmosphere. Investigations of UV/vis spectra, electrochemistry and ESI/MS suggested that the catalytic cycle involves two processes, RucII–OH2/RucIII–OH and RucIII–OH/RucIV[double bond, length as m-dash]O. The effective electron transfer from the excited state *[Ru(tpy)2]2+ to [Co(NH3)5Cl]Cl2 is proposed to be responsible for the good activities of this visible-light-driven system under an air atmosphere.

Graphical abstract: Insight into highly selective photocatalytic oxidation of alcohols by a new trinuclear ruthenium complex with visible light

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Publication details

The article was received on 07 Aug 2013, accepted on 19 Sep 2013 and first published on 19 Sep 2013


Article type: Paper
DOI: 10.1039/C3DT52157E
Citation: Dalton Trans., 2014,43, 306-310
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    Insight into highly selective photocatalytic oxidation of alcohols by a new trinuclear ruthenium complex with visible light

    D. Chao and W. Fu, Dalton Trans., 2014, 43, 306
    DOI: 10.1039/C3DT52157E

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