A general and direct synthesis of imidazolium ionic liquids using orthoesters

Literature Information

Publication Date 2014-07-22
DOI 10.1039/C4GC00684D
Impact Factor 10.182
Authors

Do Joong Kim, Kyung Hwan Oh, Jin Kyoon Park


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Abstract

A general method to synthesize halide and halide-free ionic liquids was developed. Direct alkylation of imidazole and pyridine derivatives was performed in the presence of an acid using an orthoester as the alkyl donor yielding ionic liquid products. Residual Cl and water contents of the ionic liquids were determined by ion chromatography and a Karl-Fisher test.

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