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Issue 26, 2020
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Ruthenium-catalyzed hydrogenation of CO2 as a route to methyl esters for use as biofuels or fine chemicals

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Abstract

A novel robust diphosphine–ruthenium(II) complex has been developed that can efficiently catalyze both the hydrogenation of CO2 to methanol and its in situ condensation with carboxylic acids to form methyl esters; a TON of up to 3260 is achievable for the CO2 to methanol step. Both aromatic and aliphatic carboxylic acids can be transformed to their corresponding methyl esters with high conversion and selectivity (17 aliphatic and 18 aromatic examples). On the basis of a series of experiments, a mechanism has been proposed to account for the various steps involved in the catalytic pathway. More importantly, this approach provides a promising route for using CO2 as a C1 source for the production of biofuels, fine chemicals and methanol.

Graphical abstract: Ruthenium-catalyzed hydrogenation of CO2 as a route to methyl esters for use as biofuels or fine chemicals

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Supplementary files

Article information


Submitted
26 May 2020
Accepted
05 Jun 2020
First published
05 Jun 2020

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2020,11, 6766-6774
Article type
Edge Article

Ruthenium-catalyzed hydrogenation of CO2 as a route to methyl esters for use as biofuels or fine chemicals

Z. Wang, Z. Zhao, Y. Li, Y. Zhong, Q. Zhang, Q. Liu, G. A. Solan, Y. Ma and W. Sun, Chem. Sci., 2020, 11, 6766
DOI: 10.1039/D0SC02942D

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