Issue 46, 2023

Recent progress in reductive carboxylation of C–O bonds with CO2

Abstract

Transformation of carbon dioxide (CO2) into value-added organic compounds has attracted increasing interest of scientific community in the last few decades, not only because CO2 is the primary greenhouse gas that drives global climate change and ocean acidification, but also because it has been regarded as a plentiful, nontoxic, nonflammable and renewable one-carbon (C1) feedstock. Among the various CO2-conversion processes, carboxylation reactions represent one of the most beautiful and attractive research topics in the field, since it offers the possibility for the construction of synthetically and biologically important carboxylic acids from various easily accessible (pseudo)halides, organosilicon, and organoboron compounds. The purpose of this review is to summarize the available literature on deoxygenative carboxylation of alcohols and their derivatives utilizing CO2 as a carboxylative reagent. Depending on the C–O compounds employed, the paper is divided into five major sections. The direct dehydroxylative carboxylation of free alcohols is discussed first. This is followed by reductive carboxylation of carboxylates, triflates, and tosylates. In the final section, the only reported example on catalytic carboxylation of fluorosulfates will be covered. Notably, special attention has been paid on the mechanistic aspects of the reactions that may provide new insights into catalyst improvement and development, which currently mainly relies on the use of transition metal catalysts.

Graphical abstract: Recent progress in reductive carboxylation of C–O bonds with CO2

Article information

Article type
Review Article
Submitted
19 Qas 2023
Accepted
22 Way 2023
First published
03 Xim 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 32502-32517

Recent progress in reductive carboxylation of C–O bonds with CO2

F. Behmagham, M. N. Abdullah, S. M. Saied, M. D. Azeez, R. R. Abbass, A. H. Adhab and E. Vessally, RSC Adv., 2023, 13, 32502 DOI: 10.1039/D3RA04073A

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