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Cited by 35 publications
(4 citation statements)
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“…The largest difference between acid catalysis (silica–alumina) and base catalysis (MgO) was that the latter had higher selectivity toward 2,5-furandicarboxaldehyde formation and the former had higher selectivity toward 2-methylfuran formation. As suggested in Figure , 2,5-furandicarboxaldehyde was formed by the dehydrogenation of HMF, which is typically catalyzed by base catalysts. The oxygen in the hydroxyl group could adsorb onto a magnesium ion to form an alkoxide followed by proton loss from the hydroxyl group. Formation of the alkoxide would create a negative charge on the α carbon, which would facilitate hydride formation from the α hydrogen.…”
Section: Results and Discussionmentioning
confidence: 99%
“…The largest difference between acid catalysis (silica–alumina) and base catalysis (MgO) was that the latter had higher selectivity toward 2,5-furandicarboxaldehyde formation and the former had higher selectivity toward 2-methylfuran formation. As suggested in Figure , 2,5-furandicarboxaldehyde was formed by the dehydrogenation of HMF, which is typically catalyzed by base catalysts. The oxygen in the hydroxyl group could adsorb onto a magnesium ion to form an alkoxide followed by proton loss from the hydroxyl group. Formation of the alkoxide would create a negative charge on the α carbon, which would facilitate hydride formation from the α hydrogen.…”
Section: Results and Discussionmentioning
confidence: 99%
“…Bett et al have reported that protons were introduced into Ca-deficient CaHAP by removal of Ca 2+ and temporarily resided on PO 4 3- and that the formed HPO 4 2- acts as the catalytic active site for the dehydration of 2-butanol . They further studied the adsorption of CO 2 , 2-butanol, and methyl ethyl ketone out of concern with the dehydration of 2-butanol by IR spectroscopy but found no IR band of the surface P−OH . The CaHAP samples used in their study were contaminated by silicates, as they described, because the samples were prepared in a Pyrex vessel.…”
Section: Introductionmentioning
confidence: 99%
“…According to figure 13, 2,5furandicarboxaldehdye was formed by the dehydrogenation of HMF, which is typically catalyzed by base catalysts. [74][75][76][77][78][79][80] The oxygen in the hydroxyl group could chemisorb onto a magnesium ion to form an alkoxide followed by proton loss from the hydroxyl group.…”
Section: Reaction Pathways For Catalytic Conversion Of Hmfmentioning
confidence: 99%