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Application of high-melting pyridinium salts as ionic liquid catalysts and media for fischer esterification

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Abstract

Pyridinium methanesulfonate (m.p. 185°C) and pyridinium p-toluenesulfonate (m.p. 121°C) were used as catalysts and media for the esterification of carboxylic acids with primary alcohols to give the corresponding esters selectively in high yields. The high melting points of these pyridinium salts did not prevent their application as ionic liquid medium for these reactions which were performed at 90°C.

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Correspondence to Pralhad A. Ganeshpure.

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Ganeshpure, P.A., Das, J. Application of high-melting pyridinium salts as ionic liquid catalysts and media for fischer esterification. React Kinet Catal Lett 92, 69–74 (2007). https://doi.org/10.1007/s11144-007-5077-5

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  • DOI: https://doi.org/10.1007/s11144-007-5077-5

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