Relevant bibliographies by topics / Ethoxide

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Ethoxide'

Author: Grafiati
Published: 1 April 2023
Last updated: 26 July 2025

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Journal articles on the topic "Ethoxide"

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Balakrishnan, Vimal K., Julian M. Dust, Gary W. vanLoon, and Erwin Buncel. "Catalytic pathways in the ethanolysis of fenitrothion, an organophosphorothioate pesticide. A dichotomy in the behaviour of crown/cryptand cation complexing agents." Canadian Journal of Chemistry 79, no. 2 (2001): 157–73. http://dx.doi.org/10.1139/v01-006.

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The rates of displacement of 3-methyl-4-nitrophenoxide ion from the pesticide, fenitrothion, by alkali metal ethoxides in anhydrous ethanol were followed spectrophotometrically. Through product analysis experiments, which included 31P NMR and GC-MS, as well as spectrophotometric analysis, three reaction pathways were identified: nucleophilic attack at the phosphorus centre, attack at the aliphatic carbon, and a minor SNAr route ([Formula: see text]7%). Furthermore, a consecutive process was found to occur on the product of attack at the phosphorus centre. For purposes of kinetic treatment, the
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Pregel, Marko J., Edward J. Dunn, and Erwin Buncel. "Metal ion catalysis in nucleophilic displacement reactions at carbon, phosphorus, and sulfur centers. III. Catalysis vs. inhibition by metal ions in the reaction of p-nitrophenyl benzenesulfonate with ethoxide." Canadian Journal of Chemistry 68, no. 10 (1990): 1846–58. http://dx.doi.org/10.1139/v90-287.

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The rate of the nucleophilic displacement reaction of p-nitrophenyl benzenesulfonate (1) with alkali metal ethoxides in ethanol at 25 °C has been studied by spectrophotometric techniques. For lithium ethoxide, sodium ethoxide, potassium ethoxide, and cesium ethoxide, the observed rate constants increase in the order LiOEt < NaOEt < CsOEt < KOEt. The effect of added crown ether and cryptand complexing agents was also investigated. Addition of complexing agent to the reaction of KOEt results in the rate decreasing to a minimum value corresponding to the reaction of free ethoxide. Conver
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Dunn, Edward J., and Erwin Buncel. "Metal ion catalysis in nucleophilic displacement reactions at carbon, phosphorus, and sulfur centers. I. Catalysis by metal ions in the reaction of p-nitrophenyl diphenylphosphinate with ethoxide." Canadian Journal of Chemistry 67, no. 9 (1989): 1440–48. http://dx.doi.org/10.1139/v89-220.

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The effect of macrocyclic crown ether and cryptand complexing agents on the rate of the nucleophilic displacement reaction of p-nitrophenyl diphenylphosphinate by alkali metal ethoxides in ethanol at 25 °C has been studied by spectrophotometric techniques. For the reactions of potassium ethoxide, sodium ethoxide, and lithium ethoxide, the observed rate constant increased in the order KOEt < NaOEt < LiOEt. Crown ether and cryptand cation-complexing agents have a retarding effect on the rate. Increasing the ratio of complexing agent to base results in a decrease in kobs to a minimum value
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Joshi, Vikram, and Martha L. Mecartney. "The influence of water of hydrolysis on microstructural development in sol-gel derived LiNbO3 thin films." Journal of Materials Research 8, no. 10 (1993): 2668–78. http://dx.doi.org/10.1557/jmr.1993.2668.

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The effect of water of hydrolysis on nucleation, crystallization, and microstructural development of sol-gel derived single phase LiNbO3 thin films has been studied using transmission electron microscopy (TEM), atomic force microscopy (AFM), x-ray diffraction (XRD), and differential scanning calorimetry (DSC). A precursor solution of double ethoxides of lithium and niobium in ethanol was used for the preparation of sol. DSC results indicated that adding water to the solution for hydrolysis of the double ethoxides lowered the crystallization temperature from 500 °C (no water) to 390 °C (2 moles
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Brorson, Sverre-Henning. "How to Examine the Antigen-damaging Effect of Sodium Ethoxide on Deplasticized Epoxy Sections." Journal of Histochemistry & Cytochemistry 45, no. 1 (1997): 143–46. http://dx.doi.org/10.1177/002215549704500117.

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The purpose of this investigation was to develop a method that could be used to estimate how damaging sodium ethoxide is to different antigens with respect to immunolabeling when epoxy sections are deplasticized. If we obtain weak labeling for an antigen on deplasticized epoxy sections, this might be caused by the damaging effect of the ethoxide solution. It is therefore interesting to develop a method to check if this really is the reason. Fibrin clots and tissues of human kidney and thyroid were embedded in LR White resin. Some thin sections from these specimen blocks were exposed to sodium
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Kozon, Klaudia, Jakub Nawała, Paweł Sura, and Stanisław Popiel. "Study on the Reaction Kinetics of Sulfur Mustard, Nitrogen Mustard and Their Chosen Analogues with Sodium Ethoxide." Molecules 30, no. 4 (2025): 780. https://doi.org/10.3390/molecules30040780.

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The course and kinetics of the reactions of sulfur mustard, nitrogen mustard and their selected analogues with sodium ethoxide were studied using a gas chromatograph coupled with a mass spectrometer. 2-chloroethyl ethyl sulfide (CEES), a monofunctional analogue of sulfur mustard (HD), bis(2-chloroethyl) ether (BCEE), an oxygen analogue of sulfur mustard, and bis(2-chloroethyl)amine, an analogue of nitrogen mustard HN-3, in which one hydrogen atom remains unsubstituted with a chloroethyl group, were used as imitators of mustards. For the study, the last mentioned compound was given the acronym
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Stirling, J. W., and P. S. Graff. "Antigen unmasking for immunoelectron microscopy: labeling is improved by treating with sodium ethoxide or sodium metaperiodate, then heating on retrieval medium." Journal of Histochemistry & Cytochemistry 43, no. 2 (1995): 115–23. http://dx.doi.org/10.1177/43.2.7529784.

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To optimize the ultrastructural localization of immunoglobulin G in corneal crystalloid deposits, we compared a range of antigen unmasking techniques. A human corneal biopsy specimen was fixed in formalin, post-osmicated, and embedded in epoxy resin for electron microscopy. Thin sections were immunogold-labeled for IgG after treatment with sodium ethoxide or sodium metaperiodate. Sections were also treated by heating them at 95 degrees C while they floated on water, 0.01 M citrate buffer (pH 6.0), or sodium metaperiodate. The treatments were applied separately and combined. After labeling, cry
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Hu, Qi-Shan, Lai-Cai Li, and Xin Wang. "Theoretical study on the mechanism of reaction between 3-hydroxy-3-methyl-2-butanone and malononitrile catalyzed by lithium ethoxide." Open Chemistry 6, no. 2 (2008): 304–9. http://dx.doi.org/10.2478/s11532-008-0004-9.

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AbstractThe The mechanism of reaction between 3-hydroxy-3-methyl-2-butanone and malononitrile for the synthesis of 2-dicyanomethylene-4, 5, 5-trimethyl-2,5-dihydrofuran-3-carbonitrile catalyzed by lithium ethoxide was investigated by density functional theory (DFT). The geometries and the frequencies of reactants, intermediates, transition states and products were calculated at the B3LYP/6-31G(d) level. The vibration analysis and the IRC analysis verified the authenticity of transition states. The reaction processes were confirmed by the changes of charge density at the bond-forming critical p
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YANG, Haiping, Shenghai YANG, Motang TANG, and Bihui LI. "The Electrosynthesis of Tantalum Ethoxide." Electrochemistry 82, no. 9 (2014): 743–48. http://dx.doi.org/10.5796/electrochemistry.82.743.

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Rincón-Ortiz, Sergio A., Jhonatan Rodriguez-Pereira, and Rogelio Ospina. "Niobium ethoxide analyzed by XPS." Surface Science Spectra 27, no. 2 (2020): 024014. http://dx.doi.org/10.1116/6.0000472.

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Dissertations / Theses on the topic "Ethoxide"

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ZUENA, MARTINA. "Study of calcium ethoxide as new solution for the consolidation of carbonate stones." Doctoral thesis, Università degli Studi di Trieste, 2018. http://hdl.handle.net/11368/2918476.

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The combined action of several physical, chemical and biological factors cause the weathering of stone widely employed in the field of Cultural Heritage. These deterioration processes are well studied and the results have promoted the research of compatible, efficient, stable and long-lasting consolidation treatments to overcome the limitations of traditional ones and to meet the requirements of the historic building substrates. Within this context, during the European collaborative project NANOMATCH, different consolidating agents for carbonate supports, as calcium alkoxides, were synthesized
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Kennedy, Steven Roger 1971. "Synthesis, characterization and use of peroxotungstic ethoxide as a precursor to wet-chemically derived tungsten oxide thin films." Thesis, The University of Arizona, 1996. http://hdl.handle.net/10150/278554.

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In this work a new wet-chemical method of preparing tungsten oxide thin films is described. This involves the dissolution of tungsten metal in aqueous hydrogen peroxide and reaction with acetic acid to form an alcohol-soluble precursor. All synthesis stages of this new precursor, termed peroxotungstic ethoxide, are characterized to determine possible reactions. The chemical and microstructural evolution of films is described as a function of firing temperature, utilizing infrared spectroscopy, diffraction and other optical data. A novel method of increasing the crack-free thickness of the film
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Book chapters on the topic "Ethoxide"

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Devy, Jérôme, Fabrice Fleury, Olivier Duval, Jean-Claude Jardillier, and Igor Nabiev. "The role of sequence-specificity of DNA binding by benzo[c]phenanthiridines fagaronin and ethoxidine in their anti-topoisomerase I activity." In Spectroscopy of Biological Molecules: New Directions. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4479-7_132.

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"ethoxide, n." In Oxford English Dictionary, 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/7051677069.

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Kawęcki, R. "Using Titanium(IV) Ethoxide." In Sulfur, Selenium, and Tellurium. Georg Thieme Verlag KG, 2011. http://dx.doi.org/10.1055/sos-sd-139-00094.

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Jones, John. "Enolate alkylations with alkyl halides." In Core Carbonyl Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/hesc/9780198559597.003.0008.

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This chapter addresses enolate alkylations with alkyl halides. Simple enolates react irreversibly with soft (polarized) electrophiles such as methyl iodide. A new carbon–carbon bond is formed in an S<sub>N</sub>2, which is of considerable synthetic importance. The chapter then looks at enolates derived from simple ketones, simple esters, and β dicarbonyl compounds. If cyclohexanone is treated with ethanolic sodium ethoxide in the presence of methyl iodide, most of the latter reacts with ethoxide ion. However, if the considerably more hindered and slightly more basic t-butoxide is used as base,
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Sato, R., and T. Kimura. "Alkaline Hydrolysis of Bis(selenocyanates) with Sodium Ethoxide." In Sulfur, Selenium, and Tellurium. Georg Thieme Verlag KG, 2008. http://dx.doi.org/10.1055/sos-sd-039-01446.

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Keller, P. A. "Addition of Activated Methylene Compounds to α,β-Unsaturated Ketones with Elimination of Ethoxide." In Six-Membered Hetarenes with One Nitrogen or Phosphorus Atom. Georg Thieme Verlag KG, 2005. http://dx.doi.org/10.1055/sos-sd-015-00547.

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Keglevich, Gy, and H. Szelke. "3-Methylene-2,3-dihydro-1-phosphole 1-Oxides by Thallium Ethoxide Mediated Conversion of 1-Benzyl-3-methyl-1-phospholium Salts." In Ene-X Compounds (X=S, Se, Te, N, P). Georg Thieme Verlag KG, 2007. http://dx.doi.org/10.1055/sos-sd-033-00861.

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Taber, Douglass F. "The Deslongchamps Synthesis of (+)-Cassaine." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0091.

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Although the Na+-K+-ATPase inhibitor (+)-cassaine 4 was isolated from the bark of Erythrophleum guineense in 1935, the structure was not established until 1959. Intriguing features of 4 include the unsaturated amide and the axial secondary methyl group, both pendant to the C ring. Pierre Deslongchamps, now at Université Laval, envisioned (Org. Lett. 2013, 15, 6270) that the relative stereochemistry of the second­ary methyl could be established kinetically by intramolecular Michael addition of the enolate formed by the addition of the anion of 2 to the enone 1 to give 3. The sulfoxide 2 was rea
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Conference papers on the topic "Ethoxide"

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Paul, Anam, Jinjun Liu, and Md Reza. "DISPERSED-FLUORESCENCE SPECTROSCOPY OF JET-COOLED CALCIUM ETHOXIDE RADICAL (CaOC2H5)." In 71st International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2016. http://dx.doi.org/10.15278/isms.2016.rj06.

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Kadarohman, Asep, Aina H. Salim, Ratnaningsih E. Sardjono, Amelinda Pratiwi, and Lela L. Khumaisah. "Synthesis of ethyl acetoacetate from ethyl acetate using sodium ethoxide as a catalyst." In INTERNATIONAL SEMINAR ON MATHEMATICS, SCIENCE, AND COMPUTER SCIENCE EDUCATION (MSCEIS) 2021. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0155859.

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