The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5-Methylfuran-2(3H)-one( cas:591-12-8 ) is researched.Product Details of 591-12-8.Robichaux, Laura; Kendell, Shane published the article 《Mechanistic insights into furfuryl alcohol based biofuel production over phosphotungstate catalysts》 about this compound( cas:591-12-8 ) in Reaction Kinetics, Mechanisms and Catalysis. Keywords: furfuryl alc phosphotungstate catalyst alkylation charge transfer. Let’s learn more about this compound (cas:591-12-8).
A one-step direct alkylation method for synthesizing Bu levulinate from Bu alc. and furfuryl alc. has been explored. This process is carried out under reflux, at ∼ 120 °C for 2 h and utilizes a catalyst. Catalysts are based on phosphotungstic acid; the catalysts are modified via cation exchange, producing several cesium, copper and silver based phosphotungstates. Of these, the greatest activity and selectivity towards Bu levulinate was achieved over the Cu0.5H2[PW12O40] catalyst, with 100% conversion and a Bu levulinate selectivity of 69%. Various side reactions are also observed, with products that may also be suitable for biofuel applications. A detailed product anal. has been performed, and likely reaction schemes for these products have been determined Overall, these results demonstrate an efficient method for Bu levulinate production from biomass-derived sources.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia