Synthesis of 2, 5 Dimethyl Furan from Renewable Lignocellulosic Biomass
نویسندگان
چکیده
منابع مشابه
Synthesis of renewable diesel with hydroxyacetone and 2-methyl-furan.
Diesel or jet fuel range branched alkanes were synthesized for the first time by the combination of hydroxyalkylation-alkylation (HAA) of 2-methylfuran with hydroxyacetone and subsequent hydrodeoxygenation. Due to the electron-withdrawing effect of the hydroxyl group, the hydroxyacetone route exhibited evident advantages (higher HAA reactivity and diesel yield) over the previous acetone route.
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5-Acetoxymethyl- and 5-hydroxymethyl-2-vinylfuran were synthesized by two routes. The first route starts from 2-methylfuran and the second from furfuryl acetate. The latter route, involving successive Vilsmeier-Haack and Wittig reactions, is suitable for producing 5-acetoxymethyl-2-vinylfuran and 5-hydroxymethyl-2 vinylfuran in 68% and 60%yields, respectively.
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UNLABELLED BACKGROUND Lignin is often overlooked in the valorization of lignocellulosic biomass, but lignin-based materials and chemicals represent potential value-added products for biorefineries that could significantly improve the economics of a biorefinery. Fluctuating crude oil prices and changing fuel specifications are some of the driving factors to develop new technologies that could...
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2,5-Bis(hydroxymethyl)furan (BHMF) is a highly valuable biobased rigid diol resembling aromatic monomers in polyester synthesis. In this work, BHMF is enzymatically polymerized with various diacid ethyl esters by Candida antarctica lipase b (CALB) via a two-stage, three-step method. A series of novel biobased furan polyesters are successfully produced, with number average molecular weights ( ...
متن کامل5-(Hydroxymethyl)furan-2-carbaldehyde
The title compound (HMF), C(6)H(6)O(3), is one of the products of acid-catalyzed dehydration of high-fructose corn syrup, and has been shown to be toxic to honey bees. The compound was crystallized at 276 K, and it was found that the two independent mol-ecules in the asymmetric unit form an infinite O-H⋯O hydrogen-bonding chain that is linked into a three-dimensional network structure by weak i...
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ژورنال
عنوان ژورنال: Defence Life Science Journal
سال: 2019
ISSN: 2456-0537,2456-379X
DOI: 10.14429/dlsj.4.12641