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Issue 37, 2017
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Chelated [Zn(cyclam)]2+ Lewis acid improves the reactivity of the electrochemical reduction of CO2 by Mn catalysts with bulky bipyridine ligands

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Abstract

This communication reports the use of a soluble Lewis acid complex, [Zn(cyclam)]2+ (cyclam = 1,4,8,11-tetraazacyclotetradecane) as a co-catalyst coupled with Mn(Mesbpy)(CO)3Br (Mesbpy = 6,6′-dimesityl-2,2′-bipyridine) for the electrochemical reduction of CO2 to CO. Utilization of the soluble chelated Lewis acid avoids the use of sacrificial additives and prevents the formation of insoluble products such as MgCO3 or ZnCO3 that change the thermodynamics of CO2 reduction. The use of soluble Lewis acids greatly improves catalysis compared to previously reported systems that used sacrificial anodes.

Graphical abstract: Chelated [Zn(cyclam)]2+ Lewis acid improves the reactivity of the electrochemical reduction of CO2 by Mn catalysts with bulky bipyridine ligands

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Publication details

The article was received on 19 Jul 2017, accepted on 22 Aug 2017 and first published on 23 Aug 2017


Article type: Communication
DOI: 10.1039/C7DT02620J
Citation: Dalton Trans., 2017,46, 12413-12416
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    Chelated [Zn(cyclam)]2+ Lewis acid improves the reactivity of the electrochemical reduction of CO2 by Mn catalysts with bulky bipyridine ligands

    A. Zhanaidarova, H. Steger, M. H. Reineke and Clifford. P. Kubiak, Dalton Trans., 2017, 46, 12413
    DOI: 10.1039/C7DT02620J

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