Journal
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 307, Issue 1-2, Pages 9-12Publisher
ELSEVIER
DOI: 10.1016/j.molcata.2009.03.003
Keywords
Protophilic amide; Bronsted acidic ionic liquid; Esterification; Mechanism
Categories
Funding
- NKTRDP [2006BAE01A07-5]
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Esterification of alcohols by acetic acid has been carried out at room temperature in a group of Bronsted acidic ionic liquids derived from protophilic amides. Good conversion ratio and excellent reaction rate are obtained, and the liquid esters formed a separate phase that is decanted without containing ionic liquid in it. The possible reason of faster and more efficient esterification is: by stabilizing the protonated acetic acid and limiting the alcohol protonation, protophilic amide ionic liquid (PAIL) accelerates the reaction. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
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