Advanced search
Start date
Betweenand
Related content
(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Microwave-assisted HMF production from water-soluble sugars using betaine-based natural deep eutectic solvents (NADES)

Full text
Author(s):
Gomes, Gustavo Rodrigues [1] ; Pastre, Julio Cezar [1]
Total Authors: 2
Affiliation:
[1] Univ Estadual Campinas, Inst Chem, UNICAMP, POB 6154, BR-13083970 Campinas, SP - Brazil
Total Affiliations: 1
Document type: Journal article
Source: SUSTAINABLE ENERGY & FUELS; v. 4, n. 4, p. 1891-1898, APR 1 2020.
Web of Science Citations: 0
Abstract

In this work, HMF was produced from fructose-based carbohydrates using a NADES system composed of betaine hydrochloride (BHC) as the hydrogen bond acceptor (HBA), carboxylic acids as hydrogen bond donors (HBDs) and water as the third component of the mixture. Among twelve green solvents evaluated for HMF production, ethyl acetate was the best extraction solvent. Thanks to the use of microwave irradiation, the reaction time could be reduced from 45 min to 11 min and, under optimized conditions, the NADES system composed of BHC/malic acid/H2O afforded HMF in 94% and 72% yield from fructose and sucrose, respectively. Thermogravimetric analyses provided a better understanding on the behavior of the NADES system upon heating, which in turn explained the results obtained for the sugar dehydration and recycling experiments. (AU)

FAPESP's process: 18/09861-2 - Synthesis of novel ionic liquids from renewable sources and application on biomass conversion
Grantee:Gustavo Rodrigues Gomes
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 14/25770-6 - New frontiers in cross-coupling reactions promoted by palladium: combining enantioselective catalysis, C-H activations, new materials and in flux reactions aiming at high efficiency and sustainability in synthetic processes
Grantee:Carlos Roque Duarte Correia
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 14/26378-2 - Development of methodologies and synthetic processes employing a new technological platform: micro and meso reactor assisted synthesis of natural products and derivatives with potential pharmacological activity
Grantee:Júlio Cezar Pastre
Support Opportunities: Research Grants - Young Investigators Grants