Supported imidazole as heterogeneous catalyst for the synthesis of cyclic carbonates from epoxides and CO2

Meenakshisundaram, Sankar ORCID: https://orcid.org/0000-0002-7105-0203, Ajithkumar, Thalasseril G., Sankar, Gopinathan and Manikandan, Palanichamy 2015. Supported imidazole as heterogeneous catalyst for the synthesis of cyclic carbonates from epoxides and CO2. Catalysis Communications 59 , pp. 201-205. 10.1016/j.catcom.2014.10.026

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Abstract

Imidazole anchored onto a silica matrix, by means of a propyl linkage, is found to be an effective heterogeneous catalyst for the synthesis of cyclic carbonates from epoxides and CO2 in near quantitative yield. The versatility of this catalyst is demonstrated by using different substrates (epichlorohydrin, propylene oxide, butylene oxide and styrene oxide) for this cycloaddition reaction. These CO2 insertion reactions were typically carried out in the temperature range of 343 to 403 K at 0.6 MPa CO2 pressure under solvent-free conditions. Several spectroscopic methods were used to characterize the catalyst and study the integrity of the fresh and spent catalysts.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Cardiff Catalysis Institute (CCI) Chemistry
Subjects:	Q Science > QD Chemistry
Uncontrolled Keywords:	Cyclic carbonates; CO2 utilization; Anchored imidazole; Epoxides
Publisher:	Elsevier
ISSN:	1566-7367
Date of Acceptance:	28 October 2014
Last Modified:	01 Nov 2022 09:48
URI:	https://orca.cardiff.ac.uk/id/eprint/89280

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