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Beilstein-Institut, Beilstein Journal of Organic Chemistry, (12), p. 1911-1924, 2016

DOI: 10.3762/bjoc.12.181

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Ionic liquids as transesterification catalysts: Applications for the synthesis of linear and cyclic organic carbonates

Journal article published in 2016 by Maurizio Selva, Alvise Perosa ORCID, Sandro Guidi, Lisa Cattelan ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The use of ionic liquids (ILs) as organocatalysts is reviewed for transesterification reactions, specifically for the conversion of nontoxic compounds such as dialkyl carbonates to both linear mono-transesterification products or alkylene carbonates. An introductory survey compares pros and cons of classic catalysts based on both acidic and basic systems, to ionic liquids. Then, innovative green syntheses of task-specific ILs and their representative applications are introduced to detail the efficiency and highly selective outcome of ILs-catalyzed transesterification reactions. A mechanistic hypothesis is discussed by the concept of cooperative catalysis based on the dual (electrophilic/nucleophilic) activation of reactants.