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Type: Artigo de periódico
Title: 1-n-Butyl-3-methylimidazolium tetrachloro-indate (BMI center dot InCl(4)) as a media for the synthesis of biodiesel from vegetable oils
Author: Neto, BAD
Alves, MB
Lapis, AAM
Nachtigall, FM
Eberlin, MN
Dupont, J
Suarez, PAZ
Abstract: The complex [Sn(3-hydroxy-2-methyl-4-pyrone)(2)(H(2)O)(2)] immobilized in 1-n-butyl-3-methylimidazolium tetrachloro-indate (BMI.InCl(4)) ionic liquid forms an effective biphasic catalytic system for the production of biodiesel from the alcoholysis of soybean oil. ESI-MS experiments during the transesterification reaction indicate that the reaction may proceed through the formation of a cationic species formed through the substitution of one pyrone ligand by one alcohol molecule, followed by coordination of the carboxylate compound to tin. The adduct thus formed undergoes transesterification with liberation of the catalytic active species. (c) 2007 Elsevier Inc. All rights reserved.
Subject: biodiesel
ionic liquids
tin catalyst
vegetable oils
electrospray ionization mass spectrometry
ionic liquids
Country: EUA
Editor: Academic Press Inc Elsevier Science
Citation: Journal Of Catalysis. Academic Press Inc Elsevier Science, v. 249, n. 2, n. 154, n. 161, 2007.
Rights: fechado
Identifier DOI: 10.1016/j.jcat.2007.04.015
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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