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Relevant bibliographies by topics / Bifunctional solid acids

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Journal articles

Academic literature on the topic 'Bifunctional solid acids'

Author: Grafiati

Published: 10 March 2023

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Journal articles on the topic "Bifunctional solid acids"

1

Iglesia, E. "Bifunctional pathways in catalysis by solid acids and bases." Catalysis Today 38, no. 3 (1997): 339–60. http://dx.doi.org/10.1016/s0920-5861(97)81503-7.

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2

Rudlof, Jens, Beate Neumann, Hans-Georg Stammler, and Norbert W. Mitzel. "Synthesis of a bifunctional boron-Lewis acid and studies on host-guest chemistry using pyridine and TMPD." Zeitschrift für Naturforschung B 77, no. 2-3 (2021): 141–48. http://dx.doi.org/10.1515/znb-2021-0175.

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Abstract Based on the previously described bifunctional Lewis acid with a functional distance of the boron functions of 4.918(2) Å, the development of a further bifunctional, boron-containing Lewis acid with a wider functional distance is demonstrated. Again, a stannylated precursor was used and the Lewis-acidic boron functions were introduced by means of tin-boron exchange. The general suitability of this class of compounds for the formation of host-guest-complexes is demonstrated by NMR experiments and by solid-state structures using pyridine and TMPD (N 1,N 1,N 4,N 4-tetramethylbenzene-1,4-

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3

Nishida, Haruo, Hiroshi Morikawa, Takeshi Endo, Takeshi Nakahara, Takayuki Ogata, and Koshi Kusumoto. "Solid state reaction of bifunctional bicyclo orthoesters and carboxylic acids and their metal adhesive properties." Polymer 47, no. 5 (2006): 1496–504. http://dx.doi.org/10.1016/j.polymer.2006.01.031.

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4

Gromov, Nikolay V., Tatiana B. Medvedeva, Ivan A. Lukoyanov, et al. "Formic Acid Production via One-Pot Hydrolysis-Oxidation of Starch over Quaternary Ammonium Salts of Vanadium-Containing Keggin-Type Heteropoly Acids." Catalysts 12, no. 10 (2022): 1252. http://dx.doi.org/10.3390/catal12101252.

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Bifunctional solid acidic quaternary ammonium salts of Keggin-type vanadium-containing heteropoly acids, such as R3.5H0.5PVMo11O40 (R: (C2H5)4N, (C4H9)4N, (C6H13)4N), and [(C4H9)4N]4.5H0.5SiW11VO40, are capable of one-pot hydrolysis-oxidationconversion (OxFA-processing) of starch to biogenic formic acid. The impact of the reaction conditions and catalyst type was revealed. The highest formic acid yield of 50% was achieved over the best [(C2H5)4N]3.5H0.5PVMo11O40 catalyst, which was active and stable in seven reaction cycles. The kinetic computational model, which described formic acid formatio

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5

Watanabe, Ryu-ichi, Tetsuo Suzuki, and Toshio Okuhara. "Skeletal isomerization of alkanes and hydroisomerization of benzene over solid strong acids and their bifunctional catalysts." Catalysis Today 66, no. 1 (2001): 123–30. http://dx.doi.org/10.1016/s0920-5861(00)00612-x.

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6

Tyufekchiev, Maksim, Jordan Finzel, Ziyang Zhang, et al. "A New Method for Solid Acid Catalyst Evaluation for Cellulose Hydrolysis." Sustainable Chemistry 2, no. 4 (2021): 645–69. http://dx.doi.org/10.3390/suschem2040036.

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A systematic and structure-agnostic method for identifying heterogeneous activity of solid acids for catalyzing cellulose hydrolysis is presented. The basis of the method is preparation of a supernatant liquid by exposing the solid acid to reaction conditions and subsequent use of the supernatant liquid as a cellulose hydrolysis catalyst to determine the effects of in situ generated homogeneous acid species. The method was applied to representative solid acid catalysts, including polymer-based, carbonaceous, inorganic, and bifunctional materials. In all cases, supernatant liquids produced from

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7

El Fergani, Magdi, Natalia Candu, Iunia Podolean, et al. "Catalytic Hydrotreatment of Humins Waste over Bifunctional Pd-Based Zeolite Catalysts." Catalysts 12, no. 10 (2022): 1202. http://dx.doi.org/10.3390/catal12101202.

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The catalytic hydrotreatment of humins, the solid byproduct produced from the conversion of C6 sugars (glucose, fructose) to 5-hydroxymethylfurfural (HMF), using supported Pd@zeolite (Beta, Y, and USY) catalysts with different amounts of Pd (i.e., 0.5, 1.0 and 1.5 wt%) was investigated under molecular hydrogen pressure. The highest conversion of humins (52.0%) was obtained on 1.5Pd@USY catalyst while the highest amount of humins oil (27.3%) was obtained in the presence of the 1Pd@Beta zeolite sample, at PH2 = 30 bars and T = 250 °C. The major compounds in the humins oil evidenced by GC-MS are

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8

Kingsbury, Christopher J., Marc Kielmann, Brendan Twamley, and Mathias O. Senge. "Self-Organization of Porphyrin–POM Dyads: Nonplanar Diacids and Oxoanions in Low-Dimensional H-Bonding Networks." Molecules 27, no. 20 (2022): 7060. http://dx.doi.org/10.3390/molecules27207060.

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Coordinating the spatial arrangement of electroactive partners is crucial to designable molecular electronics and photonics. Porphyrins are ubiquitous reaction centers in nature; synthetic porphyrins, in the crystallographic solid state, are often coerced into monolithic stacks, inhibiting reactivity. Using the principles of self-organization, and by exploiting charge-balance principles, we can manipulate nonplanar porphyrins into one- and two-dimensional hydrogen-bonded polymers, with polyoxometalate (POM) and bifunctional counter-anions serving as linkers. Herein, we report 11 crystal struct

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9

Elias, Samya, Ademola M. Rabiu, Benjamin I. Okeleye, Vincent Okudoh, and Oluwaseun Oyekola. "Bifunctional Heterogeneous Catalyst for Biodiesel Production from Waste Vegetable Oil." Applied Sciences 10, no. 9 (2020): 3153. http://dx.doi.org/10.3390/app10093153.

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Bifunctional solid catalysts facilitate the esterification of free fatty acids (FFA) into alkyl esters alongside the transesterification reaction, which allows for the use of waste vegetable oils with high water and FFA contents for biodiesel production. This makes the process economically viable and greener, as the waste fats and oils are readily available. The concurrent esterification and transesterification of waste palm oil (WPO) and waste sunflower oil (WSO) with methanol was investigated in the presence of calcium oxide on alumina catalyst in a conventional batch process. The catalyst c

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10

Yang, Qiang, and Xuejun Pan. "Synthesis and Application of Bifunctional Porous Polymers Bearing Chloride and Sulfonic Acid as Cellulase-Mimetic Solid Acids for Cellulose Hydrolysis." BioEnergy Research 9, no. 2 (2016): 578–86. http://dx.doi.org/10.1007/s12155-015-9702-2.

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