Visible light-promoted metal-free aerobic photooxidation of xanthenes, thioxanthenes and dihydroacridines in deep eutectic solvents
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Título: | Visible light-promoted metal-free aerobic photooxidation of xanthenes, thioxanthenes and dihydroacridines in deep eutectic solvents |
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Autor/es: | Burlingham, Sarah-Jayne | Torregrosa-Chinillach, Alejandro | Alonso, Diego A. | Chinchilla, Rafael |
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: | Photooxidation | Xanthones | Thioxanthones | Acridones | Deep eutectic solvents |
Fecha de publicación: | 14-nov-2023 |
Editor: | Elsevier |
Cita bibliográfica: | Tetrahedron Green Chem. 2023, 2: 100030. https://doi.org/10.1016/j.tgchem.2023.100030 |
Resumen: | Benzylic systems such as 9H-xanthenes, 9H-thioxanthenes and 9,10-dihydroacridines can be easily oxidized to the corresponding xanthones, thioxanthones or acridones, respectively, in deep eutectic solvents by a visible blue light-promoted photooxidation procedure carried out using ambient air as oxidant in the presence of riboflavin tetraacetate as a metal-free photocatalyst. The obtained yields are high or almost quantitative, and the reaction media can be recovered and reused. The environmental friendliness of the protocol is demonstrated based on several green metrics. |
Patrocinador/es: | The authors acknowledge the financial support by the Spanish Ministerio de Ciencia e Innovación (PID2021-127332NB-I00), the Generalitat Valenciana (AICO 2021/013) and the University of Alicante (VIGROB-173 and UAUSTI 2022). |
URI: | http://hdl.handle.net/10045/138581 |
ISSN: | 2773-2231 |
DOI: | 10.1016/j.tgchem.2023.100030 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2023 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.1016/j.tgchem.2023.100030 |
Aparece en las colecciones: | INV - CESO - Artículos de Revistas |
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Burlingham_etal_2023_TetrahedronGreenChem.pdf | 1,57 MB | Adobe PDF | Abrir Vista previa | |
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