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Relevant bibliographies by topics / Ozonide

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Journal articles

Academic literature on the topic 'Ozonide'

Author: Grafiati

Published: 21 February 2023

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Journal articles on the topic "Ozonide"

1

Cain, Nicole M., Josh L. Hixson, and Dennis K. Taylor. "Theoretical Studies for Ozonide Formation During the Ozonolysis of Bicyclic Endoperoxides." Australian Journal of Chemistry 66, no. 8 (2013): 891. http://dx.doi.org/10.1071/ch13277.

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Theoretical investigations on the treatment of bicyclic endoperoxides (1,2-dioxines) with ozone at the HF/6–31G*, MP2/6–31G* or 6–311G*, and DFT(B3LYP)/6–31G* levels of theory indicate that the estimated activation energies for formation of the possible endo-endo, endo-exo, exo-endo, or exo-exo transition states along with the formation of the primary ozonides and product ozonides are very sensitive to effects of electron correlation and basis set. This study suggests that MP2/6–311G* is the best level of theory for evaluating such systems. At the MP2/6–311G* level of theory it was found that

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2

Langeland, Jeff L., and Nick H. Werstiuk. "An ab initio and AIM study on the decomposition of phosphite ozonides." Canadian Journal of Chemistry 81, no. 6 (2003): 525–34. http://dx.doi.org/10.1139/v03-037.

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DFT calculations at the Becke3PW91/631+G(d) level of theory provided optimized geometries, transition states, and wave functions suitable for the study of the reactivity and molecular structure with Atoms-in-molecules (AIM) of phosphite ozonide complexes. These calculations also provided activation energies for the extrusion of singlet oxygen from the ozonides, which occurs in a concerted manner. The molecular species investigated were trimethyl phosphite ozonide (1), triphenyl phosphite ozonide (2), trifluoromethyl phosphite ozonide (3), trifluoroethyl phosphite ozonide (4), 4-ethyl-1-phosph

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3

Bismo, Setijo. "Sintesis biodisel dengan teknik ozonasi : ozonolisis etil-ester minyak sawit sebagai suatu bahan bakar mesin diesel alternatif." Jurnal Teknik Kimia Indonesia 4, no. 1 (2018): 175. http://dx.doi.org/10.5614/jtki.2005.4.1.7.

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Conventional biodiesel synthesis through transesterification reaction pathway of the palm oil or other vegetable oils has been regarded yet as a steep process, mainly to be implemented as fuel for various diesel engines in Indonesia. The methanol consumption for such process is still costly as well, especially 2-3 times of free fatty acid (FFA) molar amount, which is dangerous as methanol being classified as hazardous chemicals, while the yield of palm oil methyl ester (POME) is just 70% volume roughly. The ozonide biodiesel synthesis is considered as a better alternative, which is quasi-par

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4

Klein, Wilhelm, and Martin Jansen. "[((C6H5)3P)2N ]O3 und [(((CH3 )2 N)3 PN)4 P]O3 , neue ionische Ozonide mit Phasentransfer-geeigneten Kationen." Zeitschrift für Naturforschung B 56, no. 3 (2001): 287–92. http://dx.doi.org/10.1515/znb-2001-0311.

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Abstract Ionic ozonides soluble in organic solvents have been synthesized. The crystal structures of bis(triphenylphosphine)iminium-ozonide bis(dimethylamine) (1/2) (P21/c, a = 969.9(2) pm, b = 2007.1(3) pm, c = 1852.4(4) pm, Z = 4, R1 = 14.34%, 3343 independent reflections), tetrakis[tris(dimethylamino)phosphoranylidenamino]phosphonium-ozonide (P21/n, a = 1120(1) pm, b = 3192(5) pm, c = 1162(1) pm, Z = 4, R1 = 9.18%, 1428 independent reflections) and tetrakis[tris(dimethylamino)phosphoranylidenamino]phosphonium-ozonide dimethylamine (1/1) (Pbcn, a = 1080.9(6) pm, b = 3560(5) pm, c = 1154(2) p

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5

Yang, Tuo, Stanley C. Xie, Pengxing Cao, et al. "Comparison of the Exposure Time Dependence of the Activities of Synthetic Ozonide Antimalarials and Dihydroartemisinin against K13 Wild-Type and Mutant Plasmodium falciparum Strains." Antimicrobial Agents and Chemotherapy 60, no. 8 (2016): 4501–10. http://dx.doi.org/10.1128/aac.00574-16.

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ABSTRACTFully synthetic endoperoxide antimalarials, namely, OZ277 (RBx11160; also known as arterolane) and OZ439 (artefenomel), have been approved for marketing or are currently in clinical development. We undertook an analysis of the kinetics of thein vitroresponses ofPlasmodium falciparumto the new ozonide antimalarials. For these studies we used a K13 mutant (artemisinin resistant) isolate from a region in Cambodia and a genetically matched (artemisinin sensitive) K13 revertant. We used a pulsed-exposure assay format to interrogate the time dependence of the response. Because the ozonides h

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6

Izzotti, Alberto, Enzo Fracchia, Camillo Rosano, et al. "Efficacy of High-Ozonide Oil in Prevention of Cancer Relapses Mechanisms and Clinical Evidence." Cancers 14, no. 5 (2022): 1174. http://dx.doi.org/10.3390/cancers14051174.

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Background: Cancer tissue is characterized by low oxygen availability triggering neo angiogenesis and metastatisation. Accordingly, oxidation is a possible strategy for counteracting cancer progression and relapses. Previous studies used ozone gas, administered by invasive methods, both in experimental animals and clinical studies, transiently decreasing cancer growth. This study evaluated the effect of ozonized oils (administered either topically or orally) on cancer, exploring triggered molecular mechanisms. Methods: In vitro, in lung and glioblastoma cancer cells, ozonized oils having a hig

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7

Chen, Shuang Kou, Jian Fang Zhu, Wen Zhang Huang, Bai He, Li Jun Xiang, and Upendra Adhikari. "Theoretical Study on the Properties of Phenol and its Ozonide." Advanced Materials Research 554-556 (July 2012): 1613–17. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.1613.

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Adopting BYLP method in Density Functional Theory (DFT), we make theoretical study on the ozonide-orthophenylphenol, parachlorophenol, orthobenzoquinone and parabenzoquinone in the two reaction routes of phenol oxidizing into benzoquinone with ozone. We get the geometric configuration of molecules, charge distribution of atoms, thermodynamical properties and frontier orbit energy. Natural Bond Orbital(NBO)charge calculation shows that compared with orthobenzoquinone and parabenzoquinone molecules, phenol, orthophenylphenol and parachlorophenol molecules have stronger reactivity and they are mo

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8

Schnick, Wolfgang, and Martin Jansen. "Crystal Structures of Potassium Ozonide and Rubidium Ozonide." Angewandte Chemie International Edition in English 24, no. 1 (1985): 54–55. http://dx.doi.org/10.1002/anie.198500541.

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9

Bismo, Setijo, L. Linda, and Sofia Loren Butarbutar. "Sintesis biodiesel dengan teknik ozonasi: investigasi produk ozonida etil-ester minyak kelapa dan minyak kedelai." Jurnal Teknik Kimia Indonesia 4, no. 2 (2018): 197. http://dx.doi.org/10.5614/jtki.2005.4.2.2.

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Similarly with other alkyl-ester biodisesls, coconut oil and soybean oil ethyl-ester (COEE and SOEE) still retain some disadvantages to apply directly or used as diesel fuel additives, such as high viscosity and low ignition performance. The main objective of the reasearch is to introduce an alternative process to improve such drawbacks, that is to convert a small portion of ethyl-ester to ozonide compounds. The ozonolysis of ethyl-esters. whether catalytic or non-catalytic processes, generally yields ozonides, carboxylic acids, and hydrocarbons with shorter carbon chain, e.g. aldehyde and ket

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10

Buckleton, J. S., G. R. Clark, and C. E. F. Rickard. "A Stable Ozonide." Acta Crystallographica Section C Crystal Structure Communications 51, no. 3 (1995): 494–95. http://dx.doi.org/10.1107/s0108270194010577.

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