Synthesis and Electrocatalytic CO2 Reduction Activity of an Iron Porphyrin Complex Bearing a Hydroquinone Moiety

An iron porphyrin complex bearing a hydroquinone moiety at the meso position was newly designed and synthesized. Electrochemical analysis revealed that it catalyzes CO2 reduction at a lower overpotential compared with an iron complex without a hydroquinone moiety. Experimental and theoretical invest...

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Bibliographic Details
Published in:Chemistry letters 2022-03, Vol.51 (3), p.224-226
Main Authors: Kosugi, Kento, Imai, Maho, Kondo, Mio, Masaoka, Shigeyuki
Format: Article
Language:English
Subjects:
Carbon dioxide
Coordination
Electrochemical analysis
Hydrogen bonds
Hydroquinone
Iron
Porphyrins
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Summary:An iron porphyrin complex bearing a hydroquinone moiety at the meso position was newly designed and synthesized. Electrochemical analysis revealed that it catalyzes CO2 reduction at a lower overpotential compared with an iron complex without a hydroquinone moiety. Experimental and theoretical investigation suggested that a hydroquinone moiety at the meso position stabilizes the coordination bond between the metal center and CO2 via a hydrogen bond interaction with the latter in the secondary coordination sphere.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.210734