Dehydration of d-fructose to 5-hydroxymethyl-2-furfural in DMSO using a hydrophilic sulfonated silica catalyst in a process promoted by microwave irradiation

Autor: Sandro L. Barbosa, Milton de S. Freitas, Wallans T. P. dos Santos, David Lee Nelson, Stanlei I. Klein, Giuliano Cesar Clososki, Franco J. Caires, Adriano C. M. Baroni, Alexandre P. Wentz

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-5 (2021)

Abstract SiO2-SO3H, with a surface area of 115 m2/g, pore volumes of 0.38 cm3g−1 and 1.32 mmol H+/g, was used as a 10% w/w catalyst for the preparation of 5-hydroxymethyl-2-furfural (HMF) from fructose. A conversion of 100% was achieved in a microw

Externí odkaz: https://doaj.org/article/3094e9a0a95f4ea386d5545fc64d58cd

Catalytic Transformation of Triglycerides to Biodiesel with SiO2-SO3H and Quaternary Ammonium Salts in Toluene or DMSO

Autor: Sandro L. Barbosa, Adeline C. Pereira Rocha, David Lee Nelson, Milton S. de Freitas, Antônio A. P. Fulgêncio Mestre, Stanlei I. Klein, Giuliano C. Clososki, Franco J. Caires, Danilo L. Flumignan, Letícia Karen dos Santos, Alexandre P. Wentz, Vânya M. Duarte Pasa, Regiane D. Fernandes Rios

Publikováno v: Molecules, Vol 27, Iss 3, p 953 (2022)

SiO2-SO3H, with a surface area of 115 m2·g−1, pore volumes of 0.38 cm3·g−1 and 1.32 mmol H+/g, was used as a transesterification catalyst. Triglycerides of waste cooking oil reacted with methanol in refluxing toluene to yield mixtures of diglyc

Externí odkaz: https://doaj.org/article/f1a62fedb370465bb7230a6495c8aad8

A review: Microwave assisted organic reaction using SiO2-SO3H as catalyst

Autor: Sandro L. Barbosa, Milton de S. Freitas, Sávio Eduardo Oliveira Miranda, Iolanda Araújo Rodrigues, Maria Luíza Pereira e Oliveira, Yuno Raphael Ferreira Araújo, Natália de Souza Freitas, Adria Tayna Souza Fernandes, Lucas Pacônio Silva, Hélvia Nancy Fuzer Lira, Stanlei I. Klein, Alexandre P. Wentz

Publikováno v: International Journal of Health Science. 2:2-10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ac335efd3f116b2e6bcd0f886e4ea4de
https://doi.org/10.22533/at.ed.1592822140210

Dehydration of D-fructose to 5-hydroxymethyl-2-furfural in DMSO using a hydrophilic sulfonated silica catalyst in a process promoted by microwave irradiation

Autor: Milton de S. Freitas, Giuliano C. Clososki, Franco J. Caires, Wallans T.P. dos Santos, Alexandre P. Wentz, Sandro L. Barbosa, Stanlei Ivair Klein, David Lee Nelson, Adriano C. M. Baroni

Publikováno v: Scientific Reports
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Scientific Reports, Vol 11, Iss 1, Pp 1-5 (2021)

Made available in DSpace on 2021-06-25T10:50:04Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-12-01 SiO2-SO3H, with a surface area of 115 m2/g, pore volumes of 0.38 cm3g−1 and 1.32 mmol H+/g, was used as a 10% w/w catalyst for the preparat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91ad97c5c9393ba71b1403be7b12ae09
https://pubmed.ncbi.nlm.nih.gov/33479324

Antinociceptive Effect of a Novel Tosylpyrazole Compound in Mice

Autor: Juliano Ferreira, Marcos A. P. Martins, Maribel Antonello Rubin, Rogerio V. Lourega, Cleber A. Cechinel, Sara Marchesan Oliveira, Helio G. Bonacorso, Alexandre P. Wentz, Nilo Zanatta, Gerusa Duarte Dalmolin, Ronan C. Sehnem, Camila de Campos Velho Gewehr

Publikováno v: Basic & Clinical Pharmacology & Toxicology. 104:122-129

Pain is the most common complaint in the medical field and the identification of compounds that can effectively treat painful states without induction of side-effects remains a major challenge in biomedical research. The aim of the present study was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ea7e13ff4dd38a38dddb7ce8ad32e5d
https://doi.org/10.1111/j.1742-7843.2008.00353.x