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Issue 27, 2018
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Positive effect of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) on homogeneous photocatalytic reduction of CO2

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Abstract

A significant decrease in the amount of the sacrificial electron donor triethanolamine (TEOA) required for the homogeneous photocatalytic reduction of CO2 using rhenium-based catalytic systems can be achieved by adding small quantities of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) to the reaction mixture. The turnover numbers (TONs) and frequencies (TOFs) measured for the reactions described herein are even higher than those observed in reaction mixtures containing high concentrations of TEOA. Furthermore, replacing TEOA with DBU in the solutions of Re(I)/Ru(II) mixed catalytic systems leads to a doubling of the values of TON and TOF.

Graphical abstract: Positive effect of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) on homogeneous photocatalytic reduction of CO2

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Supplementary files

Article information


Submitted
20 Nov 2017
Accepted
02 Feb 2018
First published
02 Feb 2018

Chem. Commun., 2018,54, 3323-3326
Article type
Communication

Positive effect of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) on homogeneous photocatalytic reduction of CO2

M. Pschenitza, S. Meister and B. Rieger, Chem. Commun., 2018, 54, 3323
DOI: 10.1039/C7CC08927A

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