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Dissertations / Theses on the topic 'Reactions of fluorinated'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Lateef, Juma. "The reactions of fluorinated ketones." Thesis, Brunel University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286819.

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2

Goto, Masashi. "Kinetics of atmospheric chemical reactions of fluorinated hydrocarbons." 京都大学 (Kyoto University), 2005. http://hdl.handle.net/2433/145179.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(地球環境学)<br>甲第11759号<br>地環博第1号<br>新制||地環||1(附属図書館)<br>23402<br>UT51-2005-D508<br>京都大学大学院地球環境学舎地球環境学専攻<br>(主査)教授川崎昌博, 教授田村類, 助教授川崎三津夫<br>学位規則第4条第1項該当

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3

Sergis, Andreas Neophytos. "Reactions of sulphone stabilised carbanions with fluorinated aromatic compounds." Thesis, University of Greenwich, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280469.

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4

Li, Yuqi. "Synthesis of fluorinated drug scaffolds using SNAr substitution reactions." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/27541.

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Fluorinated arenes are considered valuable in organic chemistry. They display different types of reactivity and physicochemical properties compared to their hydrogen analogues. In this project, our medicinal chemistry programme focused on developing rapidly accessible and modifiable heterocyclic scaffolds. Different classes of fluorinated heteroatom-containing organic compounds including benzothiophenes, (aza)phenoxazines and benzaldehyde phenylhydrazones were synthesised from highly fluorinated aromatic compounds with a diverse range of functional groups appropriate for medicinal chemistry de

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5

Xu, Conghui. "Rhodium-mediated Activation and Borylation Reactions of Fluorinated Olefins." Doctoral thesis, Humboldt-Universität zu Berlin, 2020. http://dx.doi.org/10.18452/22174.

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Die Dissertation beinhaltet Studien zur Reaktivität von Rhodiumkomplexen gegenüber unterschiedlichen ungesättigten fluorierten Olefinen mit einem Fokus auf C–F Aktivierungs- und Borylierungsreaktionen. Der Rhodium(I)hydridokomplex [Rh(H)(PEt3)3] (1) wurde als Katalysator in den Reaktionen von HFO-1234yf, HFO-1234ze, HFO-1225zc bzw. HFO-1225ye (Z) mit HBpin verwendet. Dabei wurden Produktgemische bestehend aus Borylierungsprodukten erhalten. Die selektive Mono- und Dihydroborierung von 3,3,3-Trifluorpropin konnte durch Verwendung von Komplex 1 als Katalysator erreicht werden. Trifluorethylen

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6

Bridge, Colin Francis. "The influence of fluorine substitution on some enzyme mediated reactions." Thesis, Durham University, 1997. http://etheses.dur.ac.uk/4715/.

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The replacement of a hydrogen or hydroxy group with a fluorine atom is a popular strategy to alter the activity of biologically important molecules, as their similar sizes mean that such a replacement has little steric impact. The effect of fluorine substitution in a number of enzyme mediated processes has been investigated. 3-Fluorocyclohex-l-enylcarbonyl-CoA has been synthesised and the reaction with cyclohexenylcarbonyl-CoA reductase investigated. The fluorinated substrate has a comparable K(_m) value to that of the natural substrate but a V(_max) that is five times greater. A change in the

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7

Xu, Conghui [Verfasser]. "Rhodium-mediated Activation and Borylation Reactions of Fluorinated Olefins / Conghui Xu." Berlin : Humboldt-Universität zu Berlin, 2020. http://d-nb.info/1222973480/34.

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8

Gunawardhana, Kihanduwage N. Gipson Stephen L. "Chemistry, electrochemistry and electron transfer induced reactions of cobalt complexes with fluorinated ligands." Waco, Tex. : Baylor University, 2007. http://hdl.handle.net/2104/5114.

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Thesis (Ph.D.)--Baylor University, 2007.<br>In the abstract "CF3COCo(CO)3PPh3, CF3, Bu3SnH, CF3H, [Co(CO)4]-, [Co(CO)3(PPh3)]-, C2F4, C6F5Co(CO)3PPh3, C6F5, C6F5H, C6F5D, CF3COCo(CO)3PPh3, and Co-C(acyl)" are subscript. Includes bibliographical references (p. 205-213).

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9

Mazumder, Shrila. "Laser flash photolysis studies of chlorine atom reactions with fluorinated propenes and methyl amines." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/52308.

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The research addresses two groups of reactions: chlorine atom reactions with fluorinated propenes and methyl amines. Most of the reactions were studied over a range of temperature and pressure with the goals of (i) assessing the potential importance of the reactions in atmospheric chemistry and (ii) obtaining kinetic and thermochemical information of fundamental physical–chemical interest. In the studies reported herein, laser flash photolysis (LFP) was coupled with time resolved atomic resonance fluorescence (RF) spectroscopic detection of chlorine atoms to investigate chlorine atom kinetic

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10

Seeley, A. J. "New studies of reactions of metal atoms with fluorinated arenes and, in part, with carbenoid species." Thesis, University of Bristol, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357892.

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11

Schory, David Henry. "Quantum Chemical Investigations of Nucleophilic Aromatic Substitution Reactions and Acid Dissociations of Aliphatic Carboxylic Acids." Wright State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=wright1253480264.

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12

Obali, Derya. "Synthetic Approaches To Fluorinated Ten-Membered Enediyne." Bowling Green State University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1275448174.

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13

Fornalczyk, Michal. "The fluorinated asymmetric Reformatsky reaction with aromatic ketones and imines." Thesis, University of Leicester, 2011. http://hdl.handle.net/2381/10264.

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One of the most challenging topics in organofluorine chemistry is the asymmetric introduction of fluorine atoms, difluoromethylene and trifluoromethyl groups. Outstanding progress has been made in recent years, but further developments are necessary for chiral fluorinated molecules to be increasingly used in medicinal, agricultural and material chemistry. The enantioselective addition of the fluorinated Reformatsky reagent to aromatic aldehydes in the presence of chiral aminoalcohols to give α,α-difluoro-β-hydroxy esters in good enantiomeric excess is well established. However, the two step pr

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14

Ivashkin, Pavel. "Synthesis of original fluorinated cyclopropylcarboxylates." Phd thesis, INSA de Rouen, 2013. http://tel.archives-ouvertes.fr/tel-00924650.

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Organofluorine compounds constitute a large part of all the drugs, crop protection agents and advanced materials produced nowadays. Therefore, there is a great interest in developing the new methods of synthesis of organofluorine compounds. In this thesis we report a novel method of synthesis of monofluorinated cyclopropanes based on the Michael-initiating ring closure (MIRC) reaction. Our method allows obtaining polysubstituted monofluorinated cyclopropanes from ethyl dibromofluoroacetate and various Michael acceptors. We have also implemented the asymetric version of cyclopropanation using a

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15

Evans, Jessica. "Synthesis of Highly Fluorinated Diels-Alder Polyphenylenes." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/39179.

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Fluoropolymers have useful properties including high thermal stability, chemical resistance, low dielectric constants, and both hydrophobic and oleophobic character, as compared to non-fluorinated analogues. Meanwhile, Diels-Alder polyphenylenes (DAPPs) are known for thermal stability as well as their rigid structure and glassy physical characteristics, which have led to a variety of film and membrane applications. This dissertation merges these two fields by demonstrating a novel and general synthetic approach to highly fluorinated DAPPs. These polymers are expected to retain the physical cha

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16

Ou, Xiaobo. "Reaction mechanisms of main group fluorinated compounds, application of the coordination model of reaction mechanisms." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ32885.pdf.

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17

Zeinali, Fatemeh. "Synthesis of fluorinated heterocyclic compounds and study of their interaction with DNA." Thesis, Loughborough University, 2017. https://dspace.lboro.ac.uk/2134/25150.

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Over fifty structurally diverse, novel fluorinated heteroarenes, have been successfully synthesised by SNAr reaction of a range of fluorinated arenes including pentafluoropyridine, hexafluorobenzene, and methyl pentafluorobenzoate by introduction of a range of groups such as imidazole, triazole, benzimidazole, benzotriazole, and carbazole. Different water solubilising side chains were introduced to some of the successfully synthesised fluorinated heteroarenes to improve water solubility and potential biological activity. X-ray crystal structures of over 10 compounds were obtained including tho

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18

Wang, Weiran. "Synthesis of the Fluorinated Arylene Alkylene Ether and Research on Its Potential Thermotropic Behavior under Photochemical Crosslink Reaction." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1399217687.

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19

Jones, Charlotte E. S. "Enantioselective homogeneous catalysts for the synthesis of fluorinated organic compounds." Thesis, University of St Andrews, 2011. http://hdl.handle.net/10023/2611.

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This thesis is divided into three main results chapters that reflect the path my research took. In the first results chapter, the first organocatalyst for the carbonyl-ene reaction was discovered and found to give high conversion using 1,3-bis(3,5-bis(trifluoromethyl)phenyl)thiourea. Various carbonyl and alkene precursors were examined in the ene reaction in both catalysed and uncatalysed reactions. It was found that ene reactions using fluoral and ethyl trifluoropyruvate give higher rates of reaction when compared to other carbonyl compounds. A novel enantiopure thiourea was synthesised and t

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20

Morrell, Claire. "FTIR emission studies of chemical processes." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326026.

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21

Massolo, E. "NOVEL SYNTHETIC ORGANOCATALYTIC METHODOLOGIES." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/330262.

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The objective of this PhD study was to apply organocatalytic synthetic methods for the regio- and stereoselective synthesis of highly functionalized compounds. We exploited different organocatalytic activation modes to peculiar substrates we identified as suitable building blocks for versatile products in enantiomerically enriched form. In particular the developed projects relied on stereoselective amino- and hydrogen bonding organocatalysis, employing beta-nitroacrylates, beta-trifluoromethylated nitroalkenes and 2,2,2-trifluoroethyl 2-[(1,3-dithian)-2-yl]-ethanthioate in combination with var

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22

Terry, Alexandre. "New mixed 3d metal-based oxyfluorinated materials as anodic catalysts for water splitting : from elaboration to mechanistic study." Electronic Thesis or Diss., Le Mans, 2024. https://cyberdoc-int.univ-lemans.fr/Theses/2024/2024LEMA1029.pdf.

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Si l'hydrogène est un vecteur énergétique prometteur pour le stockage durable de l'énergie, sa production doit reposer sur des technologies sans carbone. L’électrolyse de l’eau qui consiste à dissocier l'eau via un courant électrique issu d’énergies renouvelables est idéal pour produire un hydrogène vert. Toutefois, ce processus est entravé par une cinétique lente de la réaction OER (Oxygen Evolution Reaction, 2H2O ⇋ O2 + 4H+ + 4e-) à l'anode, nécessitant un apport d’énergie supplémentaire pour assurer un rendement énergétique satisfaisant. Ainsi, des catalyseurs, généralement des oxydes d'iri

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23

Sölter, Lars. "Experimentelle und theoretische Untersuchungen der Dissoziationen von Tetrafluorethen, Hexafluorpropen und Hexafluorcyclopropan." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2014. http://hdl.handle.net/11858/00-1735-0000-0022-5F20-0.

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24

Hannigan, Steven Francis. "Redox reactions of copper complexes with fluorinated oxygen-donating ligands." Thesis, 2017. https://hdl.handle.net/2144/27073.

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Three Cu complexes varying in oxidation state from +1 to +3 were prepared from CuII starting materials and the hexafluoro-α-cumyl alkoxide ligand. These species include a targeted CuII tris-alkoxide, K[Cu(OC(C6H5)(CF3)2)3] (3); a trimeric Cu(I) complex, {K(18C6)}[K2{Cu(OC(C6H5)(CF3)2)2}3] (4); and a rare organocuprate CuIII complex, {K(18C6)}[Cu(OC(C6H4)(CF3)2)2] (5), which is stable at RT and has formed via ortho¬ metalation of two C-H bonds present. The three complexes have been structurally characterized, and 4 and 5 were studied using NMR spectroscopy to gain insight into the mechanism of

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25

Jackson, Derek Andrew. "Hydrolysis and Atmospheric Oxidation Reactions of Perfluorinated Carboxylic Acid Precursors." Thesis, 2013. http://hdl.handle.net/1807/35854.

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This dissertation explores a number of different environmentally relevant reactions that lead to the production of perfluorocarboxylic acids (PFCAs), a family of environmental pollutants that does not undergo any further degradation pathways. The compound perfluoro-2-methyl-3-pentanone (PFMP) is a new fire fighting fluid developed by 3M that is designed as a Halon replacement. The environment fate of PFMP with regards to direct photolysis, abiotic hydrolysis and hydration was determined using a combination of laboratory experiments and computational modeling. PFMP was found to undergo direct

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26

Hou, Ya-Ching, та 侯雅菁. "α-elimination and β-elimination Reactions of Fluorinated Alkyl Groups on the Cu(111) Surface: Facile Activation of C-F Bonds". Thesis, 1999. http://ndltd.ncl.edu.tw/handle/05691597567335232251.

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碩士<br>國立中山大學<br>化學系<br>87<br>Abstract The chemical inertness and high thermal stability of fluorocarbons have wide applications. It has been known that replacement of hydrogen by fluorine will greatly increase the chemical and thermal stabilities of molecules because of the greater bond energy of the carbon-fluorine bond. By utilizing trifluoromethyl iodide (CF3I) as a precursor for preparing adsorbed CF3 groups, we discovered a facile, selective, and efficient way of activating the very robust C-F bond. Temperature-programmed reaction/desorption (TPR/D) spectroscopy demonstrat

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27

Hsu, Hsiao-Ju, and 徐筱茹. "1. Intramolecular Diels-Alder Reactions of Azadienynes: Synthesis of Hexahydrobenzo[cd]indoles 2. BF3-Assisted Synthesis of Fluorinated Carbospirocycles from TBS-Protected 3-(5-Arylpent-4-yn-1-yl)cyclohex-2-en-1-ols." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/73344075993909987522.

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碩士<br>國立臺灣師範大學<br>化學系<br>101<br>This study covers three separated topics. The first work is the synthesis of hexahydrobenzo[cd]indoles via intramolecular Diels-Alder reaction from 1-tosylpropargylamino-3-vinylcyclohex-2-enes. The reaction proceeded via [4+2] cycloaddition followed by oxidation to generate hexahydrobenzo[cd]- indoles. The second part of the thesis is the synthesis of fluorinated spiro[4.5]- decenes from tert-butyldimethyl-silyl-protected 3-(5-arylpent-4-yn-1-yl)cyclo- hex-2-en-1-ols using BF3•OEt2. In this reaction, BF3 reacted as both the Lewis acid and the fluoride source for

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28

ZHANG, MING-SHU, and 張明菽. "The catalytic reaction of aromatics over fluorinated zeolite." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/67033381137433026697.

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29

WANG, SHIH-WEI, and 王士瑋. "The Study of Low Dielectric Constant Fluorinated Silicon Oxide, Fabricated by Electron Cyclotron Resonance System with SiH4, O2 and CF4 as Reaction Gases." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/12187346915540164835.

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30

Hsu, Chan-Wei, та 許展維. "Development of Novel Synthetic Methods Based on Green Chemistry Principles 1. Vinylogous Aldol Reaction of 3-Alkylidene Oxindoles With Isatins Using Molecule Sieve2. Decarboxylative 1,6-Conjugate Addition of p-Quinone Methides and β-Keto Acids Using Fluorinated Alcohols". Thesis, 2019. http://ndltd.ncl.edu.tw/handle/4peh5f.

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碩士<br>中原大學<br>化學研究所<br>107<br>The primary concern of this study is developing novel synthetic methods to synthesize compounds with bioactive frameworks based on green chemistry principles. First, we developed a direct vinylogous aldol reaction of 3-alkylidene oxindoles with isatins using molecular sieve. We constructed the products with 3,3-disubstituted oxindoles frameworks successfully in high yields (up to 98% yield). Next, we also developed a decarboxylative 1,6-conjugate addition reaction of β-keto acids and p-quinone methides. We only used fluorinated alcohols as solvent without bases an

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