Issue 10, 2021

[Re(CO)3(5-PAN)Cl], a rhenium(i) naphthalimide complex for the visible light photocatalytic reduction of CO2

Abstract

A rhenium(I) naphthalimide complex [Re(CO)3(5-PAN)Cl] (Re(5-PAN); 5-PAN = 1-(1,10-phenanthroline)-4-nitro-naphthalimide) was synthesized, characterized, and evaluated as a photocatalyst for CO2 reduction. Characterization included use of MALDI-ToF mass spectrometry, FT-IR, RAMAN, 1H and 13C NMR, elemental analysis, electronic absorption and emission spectroscopy, single crystal X-ray diffraction, DFT and cyclic voltammetry. Photocatalytic (406 nm) reduction of 13CO2 to formate (H13COO) in the presence of this catalyst was tracked via13C NMR. Results support Re5-PAN (φ = 0.021) functioning as a catalyst for the reduction of CO2 (maximum turn-over 48–50 at 300 equiv. triethylamine as the sacrificial electron donor).

Graphical abstract: [Re(CO)3(5-PAN)Cl], a rhenium(i) naphthalimide complex for the visible light photocatalytic reduction of CO2

Supplementary files

Article information

Article type
Communication
Submitted
02 N’w 2020
Accepted
23 Yan 2021
First published
24 Yan 2021

Dalton Trans., 2021,50, 3479-3486

[Re(CO)3(5-PAN)Cl], a rhenium(I) naphthalimide complex for the visible light photocatalytic reduction of CO2

D. R. Case, A. Spear, A. F. Henwood, M. Nanao, S. Dampf, T. M. Korter, T. Gunnlaugsson, J. Zubieta and R. P. Doyle, Dalton Trans., 2021, 50, 3479 DOI: 10.1039/D0DT04116E

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