Fecha
2022-02
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Derechos de acceso
info:eu-repo/semantics/openAccess
Título de la revista
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Editor
Elsevier
Citas
0 citas en 
14 citas en 
Resumen
A highly efficient methodology for the selective synthesis of nitrogen heterocycles via Friedländer reaction using carbon materials supported ZnO catalysts under the green chemistry domain is presented. The influence of the physicochemical properties of different carbon supports, in particular an activated carbon (AC), multi-walled carbon nanotubes (MWCNT) and a carbon aerogel (CA), on the catalytic performance is discussed. The developed catalysts are easily prepared by simple incipient wetness impregnation and a subsequent thermal treatment. These ZnO/carbon catalysts showed a great performance in the Friedländer condensation of 2-amino-5-chlorobenzaldehyde and carbonylic compounds with enolizable hydrogens, under solvent-free and mild conditions, affording in all cases selectively a total conversion to the corresponding quinoline. Both the Zn loading in combination with the developed microporosity of the selected carbon supports seem to be the key factors determining the catalytic performance. Yields obtained with ZnO/carbon composites catalysts are superior to those obtained by others widely used in fine chemistry such as, Zn-catalysts supported on mesoporous silica (SBA-15) and Zn-metal-organic-frameworks (MOF).
Descripción
This is an Accepted Manuscript of an article published by Elsevier in "Journal of Environmental Chemical Engineering, 10(1)", available at: https://doi.org/10.1016/j.jece.2021.106879
Este es el manuscrito aceptado del artículo publicado por Elsevier en "Journal of Environmental Chemical Engineering, 10(1)", disponible en línea: https://doi.org/10.1016/j.jece.2021.106879
Este es el manuscrito aceptado del artículo publicado por Elsevier en "Journal of Environmental Chemical Engineering, 10(1)", disponible en línea: https://doi.org/10.1016/j.jece.2021.106879
Categorías UNESCO
Palabras clave
ZnO/carbon composites, metal-organic-frameworks, mesoporous silica, Friedländer reaction, fine chemistry
Citación
Godino-Ojer, M., Morales-Torres, S., Pérez-Mayoral, E., & Maldonado-Hódar, F. J. (2022). Enhanced catalytic performance of ZnO/carbon materials in the green synthesis of poly-substituted quinolines. Journal of Environmental Chemical Engineering, 10(1). https://doi.org/10.1016/j.jece.2021.106879
Centro
Facultades y escuelas::Facultad de Ciencias
Departamento
Química Inorgánica y Química Técnica