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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|
|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.|
electrospray ionization mass spectrometry
|Editor:||Academic Press Inc Elsevier Science|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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