Synthesis and application of melamine-based nano catalyst with phosphonic acid tags in the synthesis of (3´-indolyl)pyrazolo[3,4-b]pyridines via vinylogous anomeric based oxidation
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Título: | Synthesis and application of melamine-based nano catalyst with phosphonic acid tags in the synthesis of (3´-indolyl)pyrazolo[3,4-b]pyridines via vinylogous anomeric based oxidation |
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Autor/es: | Afsar, Javad | Zolfigol, Mohammad Ali | Khazaei, Ardeshir | Zarei, Mahmoud | Gu, Yanlong | Alonso, Diego A. | Khoshnood, Abbas |
Grupo/s de investigación o GITE: | Catálisis Estereoselectiva en Síntesis Orgánica (CESO) |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Química Orgánica | Universidad de Alicante. Instituto Universitario de Síntesis Orgánica |
Palabras clave: | Cooperative vinylogous anomeric based oxidation | Acid catalysis | Nanostructured catalyst | (3´-Indolyl)pyrazolo[3,4-b]pyridines | Multicomponent reaction |
Área/s de conocimiento: | Química Orgánica |
Fecha de publicación: | feb-2020 |
Editor: | Elsevier |
Cita bibliográfica: | Molecular Catalysis. 2020, 482: 110666. doi:10.1016/j.mcat.2019.110666 |
Resumen: | A novel nanostructured melamine-based organo solid acid with phosphorus acid tags was designed, synthesized and fully characterized. The catalytic activity of the resulted melamine hexakis(methylene)hexakis(phosphonic acid) (MHMHPA) as a heterogeneous catalyst was also investigated via an one-pot reaction between cyanoacetylindole, 3-methyl-1-phenyl-1H-pyrazol-5-amine, and an aromatic aldehyde. (3´-Indolyl)pyrazolo[3,4-b]pyridines were produced in good yields under refluxing ethanol. The solid catalyst can be recovered easily and reused without a significant loss of its catalytic activity. |
Patrocinador/es: | We thank Bu-Ali Sina University and Iran National Science Foundation (INSF) (Grant number: 98001912) for financial support to our research group. |
URI: | http://hdl.handle.net/10045/102250 |
ISSN: | 2468-8274 (Print) | 2468-8231 (Online) |
DOI: | 10.1016/j.mcat.2019.110666 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2019 Published by Elsevier B.V. |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.1016/j.mcat.2019.110666 |
Aparece en las colecciones: | INV - CESO - Artículos de Revistas |
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2020_Afsar_etal_MolecularCatalysis_final.pdf | Versión final (acceso restringido) | 8,46 MB | Adobe PDF | Abrir Solicitar una copia |
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