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Dissertations / Theses on the topic 'Pyridinium compounds. Chemical reactions'

Author: Grafiati

Published: 4 June 2021

Last updated: 9 February 2022

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1

Bennett, Christopher James. "A study of the photochemistry of pyridinium salts." Thesis, University of Sussex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341061.

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2

Arnaout, Abdulkarim al. "Synthese regioselective de dihydropyridines et de pyridines 2- ou 4-fonctionnalisees : applications." Poitiers, 1987. http://www.theses.fr/1987POIT2254.

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3

Jo, Kyo Dong. "Synthesis and reactions of poly(ethynyldialkylsilanes)." Thesis, University of North Texas, 1990. https://digital.library.unt.edu/ark:/67531/metadc332501/.

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A nucleophilic cleavage reaction of 2,2,5,5,8,8-hexamethyl-2,5,8-trisilanona-3,6-diyne, I, with several bases, occurs rapidly at room temperature in both polar and non-polar solvents. An attack occurs exclusively at the central silicon regardless of the steric requirements of the bases (alkyllithium). The major products from the reaction of I with tert-butyllithium followed by hydrolysis were 2,2,5,5,6,6-hexamethyl-2,5-disilahepta-3-yne, II, and 2,2,5,5-tetramethyl-2,5-disilahexa-3-yne, VI.

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4

DiCesare, John C. "Carbohydrates as chiral auxiliaries in organometallic reactions." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/27389.

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5

Zheng, Sipeng. "The reactions of ruthenium (ii) polypyridyl complexes." Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1089.

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Ruthenium (II) polypyridine complexes in general have been extensively studied because of their unique redox and photochemical properties. A typical example of such complexes is tris(2,2’-bipyridyl) ruthenium (II). In this study, this complex was synthesized and then characterized using electronic spectroscopy and cyclic voltammetry. It was also shown that the ruthenium concentration could be accurately determined using ICP-MS. It was found that the complex is very stable in various chemical environments. It was observed from spectrophotometric investigations that persulphate and lead dioxide

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6

Lachance, Russell Philip. "Oxidation and hydrolysis reactions in supercritical water : chlorinated hydrocarbons and organosulfur compounds." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/33533.

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7

Majeed, Zulfiqar. "The reactions of directly related tellurium and selenium heterocyclic compounds with triiron dodecacarbonyl." Thesis, Aston University, 1999. http://publications.aston.ac.uk/9622/.

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The reactions of directly related tellurium and selenium heterocyclic compounds with triiron dodecacarbonyl are described. The reaction of 2-telluraphthalide, C8H8OTe with [Fe3(CO)12 gave [Fe{C6H4(CH2)Te}(CO)3]2, (1). An iron atom has inserted into the telluracyclic ring, and it is probable that one co-ordinated CO ligand arises from the initially organic carbonyl group. X-ray analysis of compound (1) showed that the compound has a Fe2Te2 core, which is achieved by dimerisation. The reaction of telluraphthalic anhydride, C8H402Te with [Fe3(CO)12] gave a known, but unexpected, organic phthalide

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8

McCarten, Paul. "Synthesis and reactivity of alpha-heteroaton substituted organoiron compounds." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/30503.

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9

Sen, Subhabrata. "Sythesis of diaryl ethers and diaryl amines via Dötz benzannulation /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3030540.

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10

Laird, Darin Wiley. "Theoretical and experimental investigations of norbornyne and cyclohexyne /." Full text (PDF) from UMI/Dissertation Abstracts International, 2001. http://wwwlib.umi.com/cr/utexas/fullcit?p3008374.

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11

Liao, Xiangjun 1970. "Dielectric properties and their application in microwave-assisted organic chemical reactions." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=38220.

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This study was designed to develop some predictive models for the dielectric properties of the chemicals and chemical reactions and make use of dielectric properties and microwave irradiation in the chemical reactions. Specifically, the dielectric properties of the following systems were investigated at microwave frequencies of 2450 and 915 MHz: (1) C1--C5 alcohols, (2) glucose aqueous solutions, (3) lysine aqueous solutions, (4) mimicked esterification reaction model systems of parahydroxybenzoic acid with methanol, 1-propanol and 1-butanol in the presence of para-toluene sulfonic acid as a c

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12

Mehdizadeh, Ali. "A mechanistic study of the reactions of geminal dihalides with lithium diisopropylamide (LDA)." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/27172.

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13

Choi, Kwok-wai Matthew, and 蔡國偉. "Carbenoid transfer reactions catalyzed by arene ruthenium complexes and polymer supported ruthenium catalysts." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B4088773X.

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14

Choi, Kwok-wai Matthew. "Carbenoid transfer reactions catalyzed by arene ruthenium complexes and polymer supported ruthenium catalysts." Click to view the E-thesis via HKUTO, 2008. http://sunzi.lib.hku.hk/hkuto/record/B4088773X.

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15

Bockhold, Steven. "Copper (I) coordination networks synthesized with solid-solid reactions." Diss., Columbia, Mo. : University of Missouri-Columbia, 2008. http://hdl.handle.net/10355/5612.

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Thesis (Ph. D.)--University of Missouri-Columbia, 2008.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed June 2, 2009). Vita. Includes bibliographical references.

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16

Lundin, Angelica. "Quantum chemical studies of olefin epoxidation and benzyne biradicals /." Göteborg, Sweden : Göteborg University, Faculty of Science, 2007. http://www.loc.gov/catdir/toc/fy0801/2007440811.html.

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17

Crews, Everett III. "Retroaldo-trapping reactions of [beta]-hydroxy-[alpha]-phenylsulfenyl cyclohexanone and decalone derivatives and the total synthesis of the California red scale sex pheromone." Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/27404.

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18

Oh, Young-im. "Approaches to the synthesis of the oxa-bridged germacrane ring system." Diss., Georgia Institute of Technology, 1988. http://hdl.handle.net/1853/27566.

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19

Chiu, Pak-kan. "Isolation of hydroxypyrrolines in the Paal-Knorr reaction; and the synthesis and properties of 3H-phrroles carrying an ester or nitrile group at C-3 /." [Hong Kong : University of Hong Kong], 1988. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12428553.

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20

Woods, Timothy E. "Elucidating the degree of selectivity for NLO surrogate attachment to model compounds and a co-polyimide using the Mitsunobu reaction /." Online version of thesis, 2008. http://hdl.handle.net/1850/7725.

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21

Lukaski, Adrienne Claire. "Investigation of reactions of complex epoxides on silver(110) a combined experimental and theoretical study /." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 218 p, 2009. http://proquest.umi.com/pqdweb?did=1654493481&sid=4&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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22

Chu, Tsun-tung. "Biomimetic reactions of nitric oxide synthase study of the reactions of n-substituted-N'-hydroxyguanidines with metalloporphyrin and non-heme complexes /." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B39634097.

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23

Chu, Tsun-tung, and 朱俊東. "Biomimetic reactions of nitric oxide synthase: study of the reactions of n-substituted-N'-hydroxyguanidines with metalloporphyrin and non-heme complexes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39634097.

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24

楊小雯 and Siu-man Yeung. "The synthesis and reactions of 3H-pyrroles bearing methyl and aryl groups." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1991. http://hub.hku.hk/bib/B31210119.

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25

Ding, Luying. "Kinetic Studies of the Reactions of Cl and Br with Silane and Trimethylsilane." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc500233/.

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The temperature dependence of the reactions of halogen atoms Cl and Br with SiH4 and (CH3)3SiH have been investigated with the flash photolysis-resonance fluorescence technique. CCI4 and CH2Br2 were used as precursors to produce Cl and Br atoms, respectively. Experiments gave {k(Cl + SiH4) (295 - 472 K)} = (1.56 +0.11) x 10-1 exp[(2.0 + 0.2) kJ mol'/RT] cm3 s4, {k(Br + SiH4)(295 - 575 K)} = (9.0 + 1.5) x 10-" exp[-(17.0 + 0.6) Id mol'/RT] cm3 s', {k(Cl + (CH3)3SiH)(295 - 468 K)} = (1.24 0.35) x 104 exp[(1.3 + 0.8) Id mol4/RT] cm3 s', and {k(Br + (CH3)3SiH)(295 - 456 K)} = (7.6 + 3.3) x 1010 ex

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26

Rico, Joseph G. "Directed lithiations of enol ethers : stereoselective synthesis and reactions of substituted enol ethers." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/27166.

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27

Lam, Lap-kay Wilson. "Organometallic reactions involving long chain fatty acid esters /." [Hong Kong : University of Hong Kong], 1987. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12362323.

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28

Chen, Haoguo, and 陳浩國. "Silver catalyzed enyne cyclization reactions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42841409.

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29

Chen, Haoguo. "Silver catalyzed enyne cyclization reactions." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B42841409.

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30

Kinal, Armagan. "Theoretical Investigation Of Unimolecular Reactions Of Cyclic C5h6 Compounds By Ab Initio Quantum Chemical Methods." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605124/index.pdf.

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Thermodynamic stabilities of eighteen cyclic C5H6 isomers were explored computationally both on singlet and triplet state potential energy surfaces (PES). All isomers have singlet ground states except for bicyclo[2.1.0]pent-5-ylidene (B5) having no stable geometry on the singlet C5H6 PES. Cyclopenta-1,3-diene (M1) is the most stable cyclic C5H6 isomer while cyclopent-1,4-diylidene is the least stable one among all. Cyclopenta-1,2-diene (M2) and cyclopentyne (M3) have biradical characters of 46.9 and 21.5%, respectively. Seven unimolecular isomerization reactions occurring among several of the

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31

Cortés, José E. (José Enrique). "Kinetics and Mechanisms of Ligand Exchange Reactions of Chelate Complexes." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc330827/.

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Certain ligand substitution reactions proceed to a complete displacement of the chelate ligand. Certain reactions proceed through a mechanism involving an initial fission of the tungsten-sulfur bond to afford a coordinatively-unsaturated intermediate which is rapidly attacked by chlorobenzene. The resulting solvated intermediate establishes an equilibrium which involves desolvation-solvation. Although main group organometallic chemistry has received a great deal of attention, this discussion will be centered in organotransition metal chemistry, in particular, metal carbonyls.

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32

Carter, Kevin William. "Methodological and synthetic studies of [4+3] cycloaddition reactions /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9842583.

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33

Thu, Hung-yat. "Catalytic C-H bond functionalization reactions catalyzed by rhodium(III) porphyrin, palladium(II) and platinum(II) acetate complexes." View the Table of Contents & Abstract, 2006. http://sunzi.lib.hku.hk/hkuto/record/B38027872.

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34

Chung, Wan-ying Cecilia. "Development of a multipolymer reaction and polyfunctional polymeric catalysts." View the Table of Contents & Abstract, 2008. http://sunzi.lib.hku.hk/hkuto/record/B39570824.

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35

趙百勤 and Pak-kan Chiu. "Isolation of hydroxypyrrolines in the Paal-Knorr reaction; and the synthesis and properties of 3H-phrroles carrying an ester or nitrilegroup at C-3." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1988. http://hub.hku.hk/bib/B31231524.

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36

Huang, Chaofeng Harmata Michael. "Studies of 2,1-benzothiazine, silver-catalyzed rearrangement and 1,5-hydride shift." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6971.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 26, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Thesis advisor: Dr. Michael Harmata. Vita. Includes bibliographical references.

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37

林立基 and Lap-kay Wilson Lam. "Organometallic reactions involving long chain fatty acid esters." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1987. http://hub.hku.hk/bib/B31231196.

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38

Chung, Lung Wa. "Computational studies of the reaction mechanisms and stereochemistry of metal-mediated organic reactions /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?CHEM%202006%20CHUNG.

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39

Thu, Hung-yat, and 杜鴻溢. "Catalytic C-H bond functionalization reactions catalyzed by rhodium(III) porphyrin, palladium(II) and platinum(II) acetatecomplexes." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B38798268.

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40

鍾韻盈 and Wan-ying Cecilia Chung. "Development of a multipolymer reaction and polyfunctional polymeric catalysts." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2008. http://hub.hku.hk/bib/B39707441.

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41

Neveling, Arno. "Preparation of new rhodium and cobalt complexes as catalysts for hydroformylation studies." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/49777.

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42

Mongwaketse, Boipelo Pearl. "Visual models of chemical entities and reactions : perceptions held by grade 11 learners / Boipelo Pearl Mongwaketse." Thesis, North-West University, 2006. http://hdl.handle.net/10394/1168.

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Learners of chemistry experience problems with the understanding of chemical reactions. One of the causes of this difficulty to understand chemical reactions seems to be that learners do not visualise them, or they do not know how to visualise them. The study aims at probing the learners' perceptions of visual models of sub-microscopic entities (atoms, ions, and molecules), to identify problems they encounter when trying to visualise and to understand chemical reactions. The empirical survey was conducted amongst 100 physical science Grade 11 learners from four high schools in the Bojanala Wes

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43

Lau, Chi-yin. "Reductive aldol cyclizations using Stryker's reagent and polystyrene-supported triphenylarsine in carbon-carbon bond forming reactions." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B39634450.

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44

Lau, Chi-yin, and 劉志賢. "Reductive aldol cyclizations using Stryker's reagent and polystyrene-supported triphenylarsine in carbon-carbon bond forming reactions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39634450.

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45

Uang, Shinian. "Preparation and Stereochemistry of Reactive Intermediates Containing a Silicon-Carbon Double Bond." Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc277928/.

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1,1-Dimethyl-2-neopentylsilene reacted with the N-methylimine of benzophenone to give 1,2,2-trimethyl-3- neopentyl-4,4-diphenyl-l-aza-2-silacyclobutane, I, and 2,3,4,4a-tetrahydro-2,3,3-trimethyl-1-phenyl-4-neopentyl-2- aza-3-silanephthalene, II, in 35% and 20% yields, respectively. Compounds I and II did not serve as thermal silene precursors. Heating I and II to over 280°C did not yield 1,3-disilacyclobutanes. In the presence of 2,3- dimethyl-1,3-butadiene typical silene products were not obtained. However, I and II reacted rapidly with methanol at room temperature to give the ring-opened pr

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46

Lin, Xufeng. "Density functional theory studies of selected transition metals catalyzed C-C and C-N bond formation reactions." Click to view the E-thesis via HKUTO, 2007. http://sunzi.lib.hku.hk/hkuto/record/B39359645.

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47

Li, Shuoliang. "Application of the Nazarov cyclization reaction to the synthesis of guanacastepenes and taiwaniaquinoids." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B38348974.

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48

Zang, Hong Zang Hong. "Part 1, Investigations of DNA damage mechanisms of azinomycin analogs and the natural product leinamycin ; Part 2, Biologically relevant chemical reactions of 1,2-dithiole-3-thiones as cancer preventive agents /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3036872.

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49

Lin, Xufeng, and 林旭鋒. "Density functional theory studies of selected transition metals catalyzed C-C and C-N bond formation reactions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B39359645.

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50

Wang, Dongqi, and 王東琪. "Density functional theory studies of selected zinc, lithium, and samarium carbenoid species and their cyclopropanation reactions witholefins." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B29486889.

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