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Rev. LatinAm. Metal. Mat. 2020, 40(1): 3-14

HIDROGENACIÓN DE OLEFINAS NATURALES CON NANOPARTÍCULAS DE RUTENIO ESTABILIZADAS EN LÍQUIDOS IÓNICOS

Isis CRESPO, Olgioly Domínguez, Pablo Baricelli, Margarita Borusiak, Ofelia Omaña, Merlín Rosales

Online: 09-03-2020

GA-964

Abstract


Este estudio muestra la evaluación catalítica para nanopartículas de rutenio estabilizadas en líquidos iónicos derivados de imidazolio: LI1= tetrafluoroborato de butilmetilimidazolio [BMIM][BF4] y LI2=hexafluorofosfato de butilmetilimidazolio [BMIM][PF6] en la hidrogenación bifásica del mirceno y eugenol. Las nanopartículas fueron sintetizadas empleando el método de reducción y desplazamiento de ligando para el tris(acetilacetonato) rutenio (III) [Ru(acac)3], caracterizadas por medio de microscopía electrónica de transmisión MET, mediante la cual se observó un tamaño promedio de (2,0 ±0,2) nm, demostrándose que estos catalizadores son sistemas nanométricos. Una vez empleados estos catalizadores en la hidrogenación bifásica del eugenol se pudo observar la producción del 2-metoxi-4-propilfenol con un 99% de selectividad en un tiempo de 4 horas, mientras que en la hidrogenación bifásica del mirceno se apreció la formación de 6 especies hidrogenadas, resultando más activas y selectivas las nanopartículas de Ru/LI1 hacia la formación del 7-metil-3-metileno-6-octeno en un tiempo de 32 horas a diferencia de las nanopartículas de Ru/LI2 que resultaron menos activas y selectivas generando una serie de productos hidrogenados.


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