Academic literature on the topic 'Montmorillonite K-10'

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Journal articles on the topic "Montmorillonite K-10"

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Vo, Mai Thi Hoang, and Thach Ngoc Le. "PREPARATION OF SOME VIETNAMESE MONTMORILLONITES." Science and Technology Development Journal 13, no. 1 (2010): 17–21. http://dx.doi.org/10.32508/stdj.v13i1.2090.

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Montmorillonite is a "green" solid catalyst and support used in many organic reations. In this paper, we describe the method to prepare two acid-activated montmorillonites from Binh Thuan and Lam Dong clays. We still prepared some cation exchanged montmorillonites as Fe3+ Zn 2+ and Al 3+. The Vietnamese montmorillonites and K-10, KSF (two commercial Fluka montmorillonites) were determinated simultanneously on some physicochemical properties such as crystalline structure, chemical composition, cation exchange capacity, adsorption capacity, porisity, surface area and acidity. The results shows t
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Patil, Shripad M., Runjhun Tandon, Nitin Tandon, Iqubal Singh, Ashwini Bedre, and Vilas Gade. "Magnetite-supported montmorillonite (K10) (nanocat-Fe-Si-K10): an efficient green catalyst for multicomponent synthesis of amidoalkyl naphthol." RSC Advances 13, no. 25 (2023): 17051–61. http://dx.doi.org/10.1039/d3ra01522j.

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Motalov, V. B., N. S. Karasev, N. L. Ovchinnikov, and M. F. Butman. "Thermal Emission of Alkali Metal Ions from Al30-Pillared Montmorillonite Studied by Mass Spectrometric Method." Journal of Analytical Methods in Chemistry 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/4984151.

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The thermal emission of alkali metal ions from Al30-pillared montmorillonite in comparison with its natural form was studied by mass spectrometry in the temperature range 770–930 K. The measurements were carried out on a magnetic mass spectrometer MI-1201. For natural montmorillonite, the densities of the emission currents (j) decrease in the mass spectrum in the following sequence (T = 805 K, A/cm2): K+ (4.55 · 10−14), Cs+ (9.72 · 10−15), Rb+ (1.13 · 10−15), Na+ (1.75 · 10−16), Li+ (3.37 · 10−17). For Al30-pillared montmorillonite, thermionic emission undergoes temperature-time changes. In th
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Lu, Jian-Mei, and Min Shi. "Montmorillonite K-10-catalyzed intramolecular rearrangement of vinylidenecyclopropanes." Tetrahedron 63, no. 32 (2007): 7545–49. http://dx.doi.org/10.1016/j.tet.2007.05.090.

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EL Amrani, Ikram, and Ahmed Atlamsani. "K-10 montmorillonite: An efficient and reusable catalyst for selective oxidation of aldehydes in the presence of dioxygen." Mediterranean Journal of Chemistry 8, no. 5 (2019): 380–89. http://dx.doi.org/10.13171/mjc851907052iea.

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A commercial montmorillonite clay catalyst, K-10 montmorillonite, was tested for catalytic oxidation of aldehydes in the presence of molecular oxygen under mild conditions. K-10 montmorillonite catalysed the oxidation of aldehydes with good activity and excellent selectivity toward the formation of the corresponding acids. The effects of the amount of catalyst, temperature and solvent on the catalytic activity were investigated. Remarkably, this catalyst was reusable without any appreciable loss in activity and selectivity.
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Lu, Bo, Li-Jun Li, Tong-Shuang Li, and Ji-Tai Li. "Montmorillonite Clay Catalysis. Part 13.1 Etherification of Cholesterol Catalysed by Montmorillonite K-10." Journal of Chemical Research, no. 9 (1998): 604–5. http://dx.doi.org/10.1039/a803050b.

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Suzana, Evieta Rohana, and Tutuk Budiati. "Effect of montmorillonite K-10 catalyst on the synthesis of (E)-1-phenyl-3-(2-methoxyphenyl)-2-propen-1-one using the microwave irradiation method." Pharmacy Education 24, no. 3 (2024): 69–74. http://dx.doi.org/10.46542/pe.2024.243.6974.

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Background: A research investigation was conducted to examine how the utilisation of the montmorillonite K-10 catalyst impacts the production of (E)-1-phenyl-3-(2-methoxyphenyl)-2-propen-1-one (PMPP) using the microwave irradiation method since the conventional method has not been successful. Objective: The aim of this research was to investigate the impact of employing the montmorillonite K-10 catalyst in the synthesis of PMPP using the microwave irradiation method. Method: The compound was created using the Claisen-Schmidt condensation technique through a nucleophilic addition reaction. Resu
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Karade, N. N., S. G. Shirodkar, B. M. Dhoot, and P. B. Waghmare. "Montmorillonite K-10 mediated Erlenmeyer synthesis of 4-arylmethylene-2-phenyl-5(4H)-oxazolones." Journal of Chemical Research 2005, no. 1 (2005): 46–47. http://dx.doi.org/10.3184/0308234053431176.

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Aromatic aldehydes and hippuric acid in acetic anhydride undergoes classical Erlenmeyer synthesis in the presence of a catalytic amount of Montmorillonite K-10 to afford the corresponding azlactones in excellent yields with high selectivity. The azlactone formation does not proceed in the absence of either acetic anhydride or Montmorillonite.
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Roopan, S. Mohana, T. Maiyalagan, and F. Nawaz Khan. "Solvent-free syntheses of some quinazolin-4(3H)-ones derivatives." Canadian Journal of Chemistry 86, no. 11 (2008): 1019–25. http://dx.doi.org/10.1139/v08-149.

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Solvent-free syntheses of quinazolin-4(3H)-ones were performed by reaction of anthranillic acid with different amides, such as nicotinamide, benzamide, formamide, etc., on montmorillonite K-10. Products were confirmed by FTIR, 1HNMR, and 13CNMR spectroscopic techniques. All synthesized compounds exhibited antioxidant properties and have been compared with standard antioxidant BHT.Key words: quinazolinone, montmorillonite K-10, solvent-free conditions, antioxidant properties.
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Bedell, Brooke L., R. David Crouch, Michael S. Holden, and Heidi E. Martinson. "A Glycosidation Reaction Employing Montmorillonite K-10 as Catalyst." Journal of Chemical Education 73, no. 11 (1996): 1041. http://dx.doi.org/10.1021/ed073p1041.

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Dissertations / Theses on the topic "Montmorillonite K-10"

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Witt, Morris. "Enantioselektive Darstellung bioaktiver Flavanone." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2014. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-144808.

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Diese Dissertation beschreibt die Synthese der vier Flavanone Lonchocarpol A, 6-Dimethylallylnaringenin, Glabrol und Euchrenon A7. Des weiteren konnten drei dieser Naturstoffe enantiomerenrein mit Hilfe einer kinetischen Racematspaltung hergestellt werden. Dabei wurden die Carboxylkohlenstoffe selektiv mit einer asymmetrischen Transferhydrierung nach Noyori reduziert.
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MELO, Valentina Nascimento e. "Síntese de 2-(1H-1,2,3-triazol)-1,4-naftoquinona de O-glicosídeos 2,3-insaturados com potencial antitumoral." Universidade Federal Rural de Pernambuco, 2015. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6378.

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Submitted by (lucia.rodrigues@ufrpe.br) on 2017-02-15T15:25:59Z No. of bitstreams: 1 Valentina Nascimento e Melo.pdf: 1846879 bytes, checksum: 0f435fbf6eac1935724bc84cb61e7e68 (MD5)<br>Made available in DSpace on 2017-02-15T15:25:59Z (GMT). No. of bitstreams: 1 Valentina Nascimento e Melo.pdf: 1846879 bytes, checksum: 0f435fbf6eac1935724bc84cb61e7e68 (MD5) Previous issue date: 2015-03-16<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq<br>Two strategies were considered for the synth
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Lee, Jian-Ming, and 李健銘. "Synthesis of Neoflavonoids and Flavonoids catalysed by Montmorillonite K-10." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/14542992854533278642.

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碩士<br>國立彰化師範大學<br>化學系<br>90<br>Synthesis of Neoflavonoids and Flavonoids Catalysed by Montmorillonite K-10 Large number of natural products and medicinal compounds have the skeleton of flavone which are known as potential antitumor agents and humanimmounodeficiency virus (HIV) type 1 integrase inhibitors. As part of a recent search to prepare new biologically active substance, we were attracted to the coumarin and flavonoide family whose members are widely distributed in biologically important natural products and pharmaceutical agents. Because of the biological activity, we undert
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Batista, Daniela Andreia Dias. "Investigação da glicosilação de fenóis catalisada por montmorillonite K-10." Master's thesis, 2014. http://hdl.handle.net/10451/15948.

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Tese de mestrado em Química, apresentada à Universidade de Lisboa, através da Faculdade de Ciências, 2014<br>Neste trabalho de investigação, a glicosilação de vários fenóis promovida por montmorillonite K-10 foi investigada com vista à elaboração de uma metodologia simples, ecológica e selectiva para a formação de derivados glicosídicos, nomeadamente compostos cuja glícona se encontre desoxigenada na posição 2. Os açúcares livres foram investigados como dadores de glicosilo assim como o açúcar α-D-glucopiranósido de metilo (28) e glicais, nomeadamente o glical 1,5-anidro-3,4,6-tri-O-benzil-2-d
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Witt, Morris. "Enantioselektive Darstellung bioaktiver Flavanone." Doctoral thesis, 2013. https://tud.qucosa.de/id/qucosa%3A28127.

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Diese Dissertation beschreibt die Synthese der vier Flavanone Lonchocarpol A, 6-Dimethylallylnaringenin, Glabrol und Euchrenon A7. Des weiteren konnten drei dieser Naturstoffe enantiomerenrein mit Hilfe einer kinetischen Racematspaltung hergestellt werden. Dabei wurden die Carboxylkohlenstoffe selektiv mit einer asymmetrischen Transferhydrierung nach Noyori reduziert.
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Book chapters on the topic "Montmorillonite K-10"

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Williams, A. C., and N. Camp. "Montmorillonite K 10 and KSF as Condensing Agents." In Six-Membered Hetarenes with One Chalcogen. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-014-00332.

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Subramanian, L. R. "By Treatment with Iron(II) Chloride Modified Montmorillonite K 10." In Three Carbon-Heteroatom Bonds: Nitriles, Isocyanides, and Derivatives. Georg Thieme Verlag KG, 2004. http://dx.doi.org/10.1055/sos-sd-019-00056.

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Williams, A. C., and N. Camp. "Cyclization of 1-(2-Hydroxyphenyl)alkane-1,3-diones with Montmorillonite K 10." In Six-Membered Hetarenes with One Chalcogen. Georg Thieme Verlag KG, 2003. http://dx.doi.org/10.1055/sos-sd-014-00472.

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Firouzabadi, H., and N. Iranpoor. "Using Solventless Microwave-Irradiated Ammonium Persulfate Supported on Wet Montmorillonite K 10 Clay." In Acetals: O/N, S/S, S/N, and N/N and Higher Heteroatom Analogues. Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-030-00386.

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Parry, W. T., Paula N. Wilson, Mark D. Jasumback, and Matthew T. Heizler. "Clay Mineralogy and 40Ar/39Ar Dating of Phyllic and Argillic Alteration at Bingham Canyon, Utah." In Geology and Ore Deposits of the Oquirrh and Wasatch Mountains, Utah. Society of Economic Geologists, 1998. http://dx.doi.org/10.5382/gb.29.14.

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Abstract Phyllic and argillic alteration at Bingham consists of smectite, sericite, and kaolinite. X-ray diffraction and microprobe studies show that sericite in these alteration assemblages is illite interstratified with 10 percent or less smectite. Illite occurs as a replacement of plagioclase phenocrysts, in veins, and as pervasive disseminations in the rock along with smectite and minor kaolinite. The illite/smectite interstratification is a mixture of 1M and 2M polytypes and generally contains more smectite in the finer size fractions. Structural formulae for the illite show less K and Al
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Staude, John-Mark. "Geology, Geochemistry, and Formation of Au-(Cu) Mineralization and Advanced Argillic Alteration in the Mulatos District, Sonora, Mexico." In Northern Sierra Madre Occidental Gold-Silver Mines, Mexico. Society of Economic Geologists, 2010. http://dx.doi.org/10.5382/gb.42.ch01.

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Abstract The Mulatos district is a volcanic-hosted, advanced argillic, gold enargite system of late Oligocene age, located in the northern Sierra Madre Occidental volcanic province of Sonora, Mexico. Hypogene mineralization is associated with rhyodacite domes and major faults. Gold is associated with pyrite ± enargite in distinct pods of vuggy silica-pyrophyllite-diaspore-dickite in altered dacite-rhyodacite volcanic rock. Past production of more than 300,000 oz Au and reserves of more than 2.3 Moz make the district one of the largest gold systems in northern Mexico and one of the larger advan
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Conference papers on the topic "Montmorillonite K-10"

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Gomaa, Ibrahim, Zoya Heidari, and Asem Hassan. "Quantifying the Impacts of Reservoir Geochemistry and Pore Structure on the CO2 Diffusion and Leakage in Organic-Rich Mudrock Formations and Caprocks." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0016.

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Depleted gas reservoirs often have complex geometries with varying porosity and permeability distributions. Quantifying CO2 diffusion in such heterogeneous reservoirs remains challenging, especially when considering the interactions between CO2 and different rock types and pore structures. To ensure the long-term effectiveness and safety of CO2 storage, it is essential to understand and quantify the diffusion of CO2 within the storage reservoirs. Therefore, the objectives of this paper are to (i) investigate the impact of pore size and pore geometry of kerogen and clay structures on the diffus
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