Tandem Transesterification–Esterification Reactions Using a Hydrophilic Sulfonated Silica Catalyst for the Synthesis of Wintergreen Oil from Acetylsalicylic Acid Promoted by Microwave Irradiation

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Autor(es): dc.contributorUniversidade Federal de Viçosa (UFV)-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorCentro Universitário SENAI-CIMATEC-
Autor(es): dc.creatorBarbosa, Sandro L.-
Autor(es): dc.creatorNelson, David Lee-
Autor(es): dc.creatorFreitas, Milton de S.-
Autor(es): dc.creatordos Santos, Wallans Torres Pio-
Autor(es): dc.creatorKlein, Stanlei I.-
Autor(es): dc.creatorClososki, Giuliano C.-
Autor(es): dc.creatorCaires, Franco J.-
Autor(es): dc.creatorWentz, Alexandre P.-
Data de aceite: dc.date.accessioned2025-08-21T16:06:30Z-
Data de disponibilização: dc.date.available2025-08-21T16:06:30Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-08-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/molecules27154767-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/241460-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/241460-
Descrição: dc.descriptionSiO2–SO3H, with a surface area of 115 m2/g and pore volume of 0.38 cm3g−1, and 1.32 mmol H+/g was used as a 20% w/w catalyst for the preparation of methyl salicylate (wintergreen oil or MS) from acetylsalicylic acid (ASA). A 94% conversion was achieved in a microwave reactor over 40 min at 120 °C in MeOH. The resulting crude product was purified by flash chromatography. The catalyst could be reused three times.-
Descrição: dc.descriptionSENAI CIMATEC-
Descrição: dc.descriptionDepartment of Pharmacy Universidade Federal dos Vales do Jequitinhonha e Mucuri-UFVJM, Campus JK, Rodovia MGT 367—Km 583, no 5.000, Alto da Jacuba-
Descrição: dc.descriptionDepartment of General and Inorganic Chemistry Institute of Chemistry São Paulo State University-Unesp, R. Prof, Francisco Degni 55, Quitandinha-
Descrição: dc.descriptionDepartment of Physics and Chemistry Faculdade de Ciências Farmacêuticas de Ribeirão Preto São Paulo University-USP, Av. do Café s/n-
Descrição: dc.descriptionCentro Universitário SENAI-CIMATEC, Av. Orlando Gomes, 1845, Piatã-
Descrição: dc.descriptionDepartment of General and Inorganic Chemistry Institute of Chemistry São Paulo State University-Unesp, R. Prof, Francisco Degni 55, Quitandinha-
Idioma: dc.languageen-
Relação: dc.relationMolecules-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectdeacetylation (acyl nucleophilic substitution)-
Palavras-chave: dc.subjectgreen chemistry-
Palavras-chave: dc.subjectmethyl salicylate-
Palavras-chave: dc.subjectmethylating agent-
Palavras-chave: dc.subjectsolid acid catalyst-
Palavras-chave: dc.subjectsulfonated silica catalyst (SiO2–SO3H)-
Título: dc.titleTandem Transesterification–Esterification Reactions Using a Hydrophilic Sulfonated Silica Catalyst for the Synthesis of Wintergreen Oil from Acetylsalicylic Acid Promoted by Microwave Irradiation-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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