Sulfonated dendritic mesoporous silica nanospheres: a metal-free Lewis acid catalyst for the upgrading of carbohydrates

Autor(es)

Jorge, Erlen Y. C. ^{[1, 2]} ; Lima, Carolina G. S. ^{[1, 3]} ; Lima, Thiago M. ^{[1, 3]} ; Marchini, Lucas ^[1] ; Gawande, Manoj B. ^{[4, 5]} ; Tomanec, Ondrej ^[4] ; Varma, Rajender S. ^[4] ; Paixao, Marcio W. ^[1]

Afiliação do(s) autor(es)

^[1] Univ Fed Sao Carlos, Ctr Excellence Res Sustainable Chem, Dept Chem, Rodovia Washington Luis, Km 235-SP-310, BR-13565905 Sao Carlos, SP - Brazil

^[2] Univ Havana, Inst Sci & Technol Mat, Ctr Habana, Havana 10400 - Cuba

^[3] Fluminense Fed Univ, Inst Chem, Outeiro Sao Joao Batista, BR-24020150 Niteroi, RJ - Brazil

^[4] Palacky Univ, Reg Ctr Adv Technol & Mat, Dept Phys Chem, Fac Sci, Slechtitelu 27, Olomouc 78371 - Czech Republic

^[5] Inst Chem Technol, Mumbai Marathwada Campus, Jalna - India

• Tipo de documento: Artigo Científico
• Fonte: GREEN CHEMISTRY; v. 22, n. 5, p. 1754-1762, MAR 7 2020.
• Citações Web of Science: 0

Resumo

Lignocellulosic biomass is becoming a viable alternative or complementary source for obtaining petroleum-derived products such as fuels, polymers and fine chemicals, among others. Nevertheless, the successful upgrading of lignocellulosics requires the design of efficient and robust catalysts, where sulfonated mesoporous silica materials may be an ideal choice for exploration. Herein, we have conducted the upgrading of several mono-, di- and polysaccharides such as xylose, fructose, glucose, sucrose and cellulose to valuable platform chemicals using a novel catalyst comprising sulfonated dendritic mesoporous silica nanospheres. Additionally, a thorough comparative study was conducted encompassing arrays of sulfonated silicas as catalysts with the aim of relating their activities and appreciating the features which could be responsible for their activity. (AU)

• Processo FAPESP: 16/12622-4 - Organocatálise Assimétrica Direcionada por Contra-Ânionl: Síntese de Sistemas Heterocíclicos e Funcionalização de Peptídeos
• Beneficiário: Márcio Weber Paixão
• Modalidade de apoio: Bolsas no Exterior - Pesquisa
• Processo FAPESP: 15/17141-1 - Desenvolvimento e Estudos Mecanísticos de Novas Metodologias Sintéticas para Síntese de Compostos Bioativos
• Beneficiário: Ricardo Samuel Schwab
• Modalidade de apoio: Auxílio à Pesquisa - Regular