Highly selective biocatalytic synthesis of monoacylglycerides in sponge-like ionic liquids
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Otros documentos de la autoría: Lozano, Pedro; Gómez, Celia; Nieto Cerón, Susana; Sánchez Gómez, Gregorio; Garcia-Verdugo, Eduardo; Luis, Santiago V.
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http://dx.doi.org/10.1039/C6GC01969B |
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Título
Highly selective biocatalytic synthesis of monoacylglycerides in sponge-like ionic liquidsAutoría
Fecha de publicación
2016-08Editor
The Royal Society of ChemistryCita bibliográfica
LOZANO, Pedro, et al. Highly selective biocatalytic synthesis of monoacylglycerides in sponge-like ionic liquids. Green Chemistry, 2017.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pubs.rsc.org/-/content/articlehtml/2017/gc/c6gc01969bPalabras clave / Materias
Resumen
The biocatalytic synthesis of monoacylglycerides (MAGs) was carried out by the direct esterification of fatty acids (i.e. capric, lauric, myristic, palmitic and oleic acids, respectively) with glycerol in different ... [+]
The biocatalytic synthesis of monoacylglycerides (MAGs) was carried out by the direct esterification of fatty acids (i.e. capric, lauric, myristic, palmitic and oleic acids, respectively) with glycerol in different ionic liquids (ILs) based on cations with long alkyl side-chains (e.g. 1-hexadecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [C16mim][NTf2], 1-dodecyl-3-methylimidazolium tetrafluoroborate [C12mim][BF4], etc.). Although all ILs have been shown as suitable reaction media for Novozym 435-catalyzed esterification of glycerol with free fatty acids, a high selectivity of MAGs was only observed in the [C12mim][BF4] case (e.g. up to 100% selectivity and 100% yield for monolaurin). Furthermore, as these ILs are temperature switchable ionic liquid/solid phases that behave as sponge-like systems, a straightforward protocol for IL-free MAG recovery, based on iterative centrifugations at controlled temperature, has been developed. [-]
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Green Chemistry, 2017Derechos de acceso
© 2016 The Royal Society of Chemistry
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