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Título: | Application of raw and chemically modified biomasses for heterogeneous Cu-catalysed conversion of aryl boronic acids to phenols derivatives. |
Autor(es): | Torres, Fernanda Guimarães Teodoro, Filipe Simões Gurgel, Leandro Vinícius Alves Bourdreux, Flavien Zayene, Olfa Gaucher, Anne Gil, Laurent Frédéric Prim, Damien |
Palavras-chave: | Cellulose Ipso-hydroxylation Copper |
Data do documento: | 2022 |
Referência: | TORRES, F. G. et al. Application of raw and chemically modified biomasses for heterogeneous Cu-catalysed conversion of aryl boronic acids to phenols derivatives. Catalysts, v. 12, n. 92, 2022. Disponível em: <https://www.mdpi.com/2073-4344/12/1/92>. Acesso em: 11 out. 2022. |
Resumo: | This work describes the application of raw and chemically modified cellulose and sug- arcane bagasse for ipso-hydroxylation of aryl boronic acids in environmentally friendly reaction conditions. The catalytic efficiency of five support-[Cu] materials was compared in forming phenols from aryl boronic acids. Our investigation highlights that the CEDA-[Cu] material (6-deoxy-6- aminoethyleneamino cellulose loaded with Cu) leads to the best results under very mild reaction conditions. The optimized catalytic sequence, allowing a facile transformation of boronic acids to phenols, required the mandatory and joint presence of the support, Cu2O, and KOH at room temperature. CEDA-[Cu] was characterized using 13C solid-state NMR, ICP, and FTIR. The use of CEDA-[Cu] accounts for the efficacious synthesis of variously substituted phenol derivatives and presents very good recyclability after five catalytic cycles. |
URI: | http://www.repositorio.ufop.br/jspui/handle/123456789/16621 |
DOI: | https://doi.org/10.3390/catal12010092 |
ISSN: | 2073-4344 |
Licença: | This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Fonte: o PDF do artigo. |
Aparece nas coleções: | DEQUI - Artigos publicados em periódicos |
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ARTIGO_ApplicationRaChemically.pdf | 1,99 MB | Adobe PDF | Visualizar/Abrir |
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