Article (Scientific journals)
Organocatalyzed coupling of carbon dioxide with epoxides for the synthesis of cyclic carbonates: catalyst design and mechanistic studies
Alves, Margot; Grignard, Bruno; Méreau, Raphaël et al.
2017In Catalysis Science and Technology, 7, p. 2651-2684
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Keywords :
supercritical carbon dioxide
Abstract :
[en] The coupling of carbon dioxide (CO2) with epoxides with the formation of cyclic carbonates is a highly attractive 100% atom economy reaction. It represents a greener and safer alternative to the conventional synthesis of cyclic carbonates from diols and toxic phosgene. Today, cyclic carbonates find many applications as intermediates for fine chemicals synthesis, as electrolytes in Li-ion batteries, and polar aprotic solvents, but also serve for the synthesis of important polymers such as polycarbonates and polyurethanes. In view of their broad scope and their strong economic potential, there is a strong need to improve their synthesis and decrease their production costs. However, CO2 is a thermodynamically stable molecule, the use of catalysts is therefore mandatory for activating and facilitating the CO2/epoxide coupling reaction in a selective manner and under mild conditions. Recently organocatalysts deserved more and more interest in this field, and are viewed as alternatives to metal-based ones. Enormous progress has been made these last years to boost their performances, and some organocatalysts are now very competitive, cheap, readily available and exhibit good chemical stability towards moisture, water and air. This review is focusing on the recent advances in the development of metal-free organocatalysts for the synthesis of cyclic carbonates by CO2/epoxide coupling. Most of the state-of-the art organocatalysts used for this reaction are discussed, with a special emphasis to highlight the various routes employed to boost their performances. Their mode of action is also reported based on mechanistic considerations, supported by density functional theory (DFT) calculations that are becoming essential tools for modern catalysts design. Such detailed understanding of the mechanisms involving CO2 transformation should pave the way towards the definition of new modes of activation for converting CO2 with a large scope of substrates into various chemicals, monomers and polymers.
Research center :
Center for Education and Research on Macromolecules (CERM)
CESAM Complex and Entangled Systems from Atoms to Materials (CESAM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Alves, Margot ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
Grignard, Bruno ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
Méreau, Raphaël;  University of Bordeaux, Institute of Molecular Sciences, France
Jérôme, Christine  ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
Tassaing, Thierry;  University of Bordeaux, Institute of Molecular Sciences, France
Detrembleur, Christophe ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Organocatalyzed coupling of carbon dioxide with epoxides for the synthesis of cyclic carbonates: catalyst design and mechanistic studies
Publication date :
2017
Journal title :
Catalysis Science and Technology
ISSN :
2044-4753
eISSN :
2044-4761
Publisher :
Royal Society of Chemistry, Cambridge, United Kingdom
Volume :
7
Pages :
2651-2684
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
The European Community through the International Doctoral School IDS-Funmat
The University of Bordeaux through the "IDEX"
The Walloon Region through the" CO2Green" and "Flycoat" programs
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