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Dissertations / Theses on the topic 'Pyridine derivative'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Nguyen, Thach-Mien Duong. "Synthesis and decomposition kinetics of ester derivative of procarcinogen and promutagen, PhIP, 1-methyl-6-phenylimidazo[4,5-b]pyridine." Oxford, Ohio : Miami University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1169670407.

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2

NGUYEN, DUONG THACH-MIEN. "SYNTHESIS AND DECOMPOSITION KINETICS of ESTER DERIVATIVE of PROCARCINOGEN and PROMUTAGEN, PhIP, 1-methyl-6-phenylimidazo[4,5-b]pyridine." Miami University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=miami1169670407.

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3

Guetta, Brigitte. "Vieillissement hygrothermique de composites a matrice psp : etude cinetique, mecanique et spectroscopique." Paris, ENMP, 1987. http://www.theses.fr/1987ENMP0057.

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4

Venská, Petra. "Odstranění organického znečistění z vody s využitím UV záření." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-295686.

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This diploma thesis focuses on possibilities of applications of UV radiation to remove pollutants from water. It summarizes sources of UV radiation and list their benefits and properties. The thesis characterizes so called advanced oxidation processes using UV light. Degradation pathways od pyridine and its derivatives especially halogenated pyridines are described. The photodegradability of pyridine and a rate of this reaction in model water is investigated in the experimental part. Also, the effect of concentration and dose of H2O2 is assessed. Gas chromatography was used to determinate conc

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5

Senczyszyn, Jemma Louise. "Dearomatising cyclisations of pyridine derivatives." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/dearomatising-cyclisations-of-pyridine-derivatives(12ef12d9-d46b-416d-864f-ab69b2444256).html.

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Pyridines react with N-acylating agents to create extremely electrophilic pyridinium ions, which are susceptible to dearomatising attack of various nucleophiles. The use of anionic nucleophiles in these cyclisations has been well documented in the literature. Recently within the Clayden group, tethered neutral π-nucleophiles have also been shown to be suitable nucleophiles in this reaction. Dearomatising cyclisations of neutral nucleophiles can occur if the pyridine is first activated by a powerful electrophile (EX). 1,4-Dihydropyridines are generated upon spirocyclisation of N-vinylisonicotin

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6

Holmes, D. "Studies of thieno[b]pyridine derivatives." Thesis, Nottingham Trent University, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355320.

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7

Sancibrao, Pierre. "Cycloadditions de nitroso Diels-Alder asymétriques et régiosélectives : une nouvelle voie synthétique d'hétérospirocycles." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112417.

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Au cours de ce projet de recherche, nous nous sommes intéressés à la synthèse de motifs hétérospiraniques énantioenrichis. De ce fait, notre équipe a pu élaborer une nouvelle voie synthétique pouvant conduire à la synthèse de molécules possédant des structures bicycliques spiraniques diverses. Cette voie de synthèse inédite est articulée sur une réaction de nitroso Diels-Alder. Le contrôle de la stéréosélectivité ainsi que le contrôle de la régiosélectivité, peu décrit dans la littérature, ont été spécifiquement étudiés lors de ces travaux. Nos différentes études ont permis de mieux appréhende

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8

Hill, Matthew D. (Matthew Dennis). "Direct synthesis of pyridine and pyrimidine derivatives." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/43776.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2008.<br>Vita.<br>Includes bibliographical references.<br>I. Synthesis of Substituted Pyridine Derivatives via the Ruthenium-Catalyzed Cycloisomerization of 3-Azadienynes. The two-step conversion of various N-vinyl and N-aryl amides to the corresponding substituted pyridines and quinolines, respectively, is described. The process involves the direct conversion of amides, including sensitive N-vinyl amides, to the corresponding trimethylsilyl alkynyl imines followed by a ruthenium-catalyzed protodesilylation and cyclois

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9

Knott, Jane Marie. "Studies on Pyridine n-oxides." Thesis, University of Oxford, 1995. http://ora.ox.ac.uk/objects/uuid:cc74d06b-9840-4695-9f47-961583da147c.

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The work described herein is directed towards the Claisen rearrangements and [3+2] cycloaddition reaction of pyridine N-oxide systems. The pyridine N-oxide molecule is a very versatile and useful synthetic intermediate for the construction of more complex pyridines. Chapter 1 contains a review of work carried out within the group towards Claisen rearrangement of benzene-type systems. The acid catalysed rearrangement of these systems affords a high degree of regioselectivity. A literature survey of the [3+2] cycloaddition reaction of both aliphatic nitrones and aromatic N-oxides with various di

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10

Isik, Murat. "Synthesis Of Various Camphor-based Chiral Pyridine Derivatives." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605824/index.pdf.

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Chiral aromatic nitrogen heterocycles are finding many applications in asymmetric organic synthesis, particularly as ligands in the preparation of chiral metal complexes. Since camphor-based chiral auxiliaries are known to be especially effective, a number of pyridines fused to the camphor skeleton have been reported. It is well known that nicotinic acid and its derivatives exhibiting qualitatively the biological activity of nicotinamide, which acts as an electron acceptor in many biological redox reactions. In connection to our works, we attempted to develop short and convenient way to prepar

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11

Jouaiti, Abdelaziz. "Activation electrochimique de petites molecules par des composes bi-metalliques et elaboration de films polymeres conducteurs." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13036.

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Reduction electrocatalytique de co::(2) dans le dmf en presence de ni(cyclam)**(2+) (bis cyclam)**(4+). Modification d'electrodes par polymerisation electrolytique de differents complexes de fe ii, co ii et ru ii avec le coordinat (p-pyrrolylmethylphenyl)-4' terpyridine-2,2:6',2". Ce nouveau type d'electrodes peut jouer le role de mediateur redox

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12

Shtamburg, V. G., A. V. Tsyhankov, V. V. Shtamburg, et al. "1-(N-Alkoxyamino)pyridine Derivatives and others N-Alkoxyhydrazines." Thesis, Ekskluziv Publ, 2015. http://repository.kpi.kharkov.ua/handle/KhPI-Press/36899.

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13

Friscourt, Frederic. "Synthesis and application of pinene-pyridine derivatives in asymmetric catalysis." Thesis, University of Glasgow, 2008. http://theses.gla.ac.uk/532/.

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The research described herein focuses on the synthesis of chiral pinene-pyridine derivatives, and their application in asymmetric catalysis. Both transition metal catalysed and organocatalytic transformations were investigated. Chiral pyridine-phosphines based on α-pinene were synthesised and applied as efficient P,N-ligands for the enantioselective palladium(II)-catalysed Baeyer-Villiger oxidation of prochiral 3-substituted cyclobutanones to furnish chiral γ-butyrolactones in up to 81% ee. Complexes of these ligands with iridium can also promote asymmetric hydrogenation of olefins in up to 83

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14

MacDonald, Kristy. "The synthesis of trifluoroalkylated pyridine derivatives over H-form zeolites." Thesis, University of Liverpool, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367057.

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15

Mora, Rado Helena. "An alkyne diboration-6π-electrocyclisation strategy to pyridine boronic acid derivatives". Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19234/.

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16

Björk, Malin. "Synthesis of sulfur and seleniumn heterocycles, including derivatives of imidazopyridine and benzimidazole /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-597-6/.

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17

Roth, Andrea. "N-alkylierte und anellierte Pyridin-Derivate aus Aminosäuren /." [S.l. : s.n.], 1995. http://www.gbv.de/dms/bs/toc/184216745.pdf.

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18

PITZANTI, PATRIZIA. "Sintesi di molecole organiche enantiomericamente arricchite con l'uso della catalisi organica." Doctoral thesis, Università degli Studi di Cagliari, 2014. http://hdl.handle.net/11584/266431.

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The main topic of this thesis is the use of organocatalysis to synthesize organic compounds enantiomerically enriched. The first matter is about the synthesis of α-amino thioester derivatives through a tandem condensation-intramolecular rearrangement-protonation, this is a conceptually novel chiral Brønsted base/ Brønsted acid catalytic method that provides a number of important synthetic building blocks in good yields and with moderate and good enantioselectivities. The second topic is concerned to the synthesis of aldols derivatives of pyridine carbaldehydes functionalized in different pos

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19

Hwang, Jeongsug. "Studies on the hydrogen bonding of pyridine derivatives to oxygen and nitrogen acids by nucleic acid bases /." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487332636473591.

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20

Taylor, Michael William. "Structures of Werner clathrates." Doctoral thesis, University of Cape Town, 1989. http://hdl.handle.net/11427/22139.

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This work is predominantly devoted to the 4-phenylpyridine ligand and the role that it plays in the formation of a series of inorganic coordination complexes termed Werner Clathrates. The synthesis and characterization by single crystal X-ray diffraction techniques are reported for 18 structures, the majority of which, upon crystallization, have the ability to include solvent or guest molecules within the host framework. The compounds are divided into four broad classes with the host complex of each as follows: Class A [Ni(NCS)₂(4-PhPy)₄]; Class B [NiCl₂(4-PhPy)₄]; Class c [Ni(NCS)₂(4-MePy)₂(4

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21

Gumrukcu, Yasemin. "Synthesis Of 2-heteroaryl Substituted Chiral Fused Cyclopenta[c]pyridine Derivatives Via Pauson-khand Reaction." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611176/index.pdf.

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The racemic homoallylic and homopropargylic alcohol derivatives were resolved by applying chemoenzymatic method using various lipase type enzymes i.e., PS-C II, Lipozyme, CAL-B. The enantiomeric excess values of the resultant alcohols were determined by HPLC. These enantiomerically enriched homoallylic and homopropargylic alcohols were subjected to N-propargylation and N-allylation, respectively, by SN2 and modified Mitsunobu reactions. During the course of all reactions, stereochemistry of the chiral centers were under controlling according to the known reaction mechanisms. The resultant chir

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22

Foster, Joshua B. "Development of Pyridazine-Derivatives for the Treatment of Neurological Disorders." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1545904228813231.

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23

GIACCHELLO, ILARIA. "Synthesis of properly substituted pyridine and pyrimidine derivatives and their biological evaluation as potential antiviral agents." Doctoral thesis, Università degli studi di Genova, 2019. http://hdl.handle.net/11567/940944.

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Influenza A viruses (IAVs) belong to the Orthomixoviridae, a family of enveloped viruses with a single-stranded negative-sense and eight-segmented RNA genome. They are the most prevalent pathogens for both humans and animals, causing the so-called seasonal flu and widespread pandemics. A part from the use of vaccines, viral infections can be inhibited at several crucial steps by the use of antiviral agents. It is possible to have an antiviral effect both targeting important proteins for the virus life cycle and targeting host proteins that play crucial roles during influenza virus infection. R

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24

Murail, Pauline. "Pyridin-2(1H)one derivatives - a new class of therapeutics for trigeminal pain." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2024. http://theses.bu.uca.fr/nondiff/2024UCFA0026_MURAIL.

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La douleur chronique affecte environ 10% de la population mondiale. Seulement, la prise en charge de la douleur chronique, reste un défi nécessitant de nouvelles thérapies. Les protéines kinases (PK) présentent dans la corne dorsale médullaire (CDM)-extracellular signal-regulated protein kinase, γ isoform of protein kinase C, p38 mitogen-activated protein kinase (p38 MAPK)- contribuent à l'hypersensibilité à la douleur chez l'animal. Les PK pourraient représenter de nouvelles cibles pour le traitement de la douleur chronique. L'objectif est de synthétiser des inhibiteurs de PK aux propriétés a

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25

Weaver, George William. "Investigations of new synthetic routes to imidazo[4,5-b]pyridinone derivatives." Thesis, University of Edinburgh, 1990. http://hdl.handle.net/1842/12144.

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This thesis is concerned with the development of three new synthetic routes to highly functionaliscd imidazo[4,5-b]pyridinone derivatives of biological interest as purine antagonists. The first synthetic route developed was based on the construction of 5-nitro-6-methylthiopyridine derivatives by annulation of readily available l-amino-l-methylthio-2-nitroethenes with 1,3-bis-clectrophiles (e.g. mal-onyl dichloride). Although this new type of ring formation was successful, the yields of the new pyridine derivatives obtained were disappointingly low and studies to improve the efficiency of the c

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26

Fester, Gerrit. "Höherkoordinierte Pyridin-Addukte von Hydridochlorsilanen." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2010. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-27080.

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Die vorliegende Arbeit befasst sich mit der Synthese, Stabilität und Reaktivität von Hydridochlorosilan-Pyridin-Addukten (RHSiCl2, RSiCl3, SiCl4; mit R=H, Me und Ph). Hydridochlorosilane, die zu den wichtigsten industriell verwendeten Siliciumverbindungen gehören, bilden in unpolaren Lösungsmitteln durch Umsetzung mit Pyridinbasen stabile Hydridochlorosilan-Pyridin-Addukte in sehr hohen Reinheiten und Ausbeuten. Neben diesen Komplexierungsreaktionen werden auch Dismutations-, Dissoziations- und Hydrosilylierungsreaktionen genauer untersucht. Die Charakterisierung der Produkte erfolgte durch Lö

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27

Gong, Yong-Hua. "Synthesis electrochemical and fluorescence studies of 1,2,4,5-tetrazine derivatives : towards molecular sensors for anions and electron-rich compounds and synthesis and electrochemical study of ferrocene-containing pyridinium salts." Cachan, Ecole normale supérieure, 2007. http://tel.archives-ouvertes.fr/tel-00160587.

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Cette thèse se compose de deux parties. La première traite de la synthèse et des études électrochimiques et de fluorescence de nouveaux dérivés de la 1,2,4,5 tétrazine en tant que sondes moléculaires pour des anions et des composés riches en électrons. La seconde traite de la synthèse et des études électrochimiques préliminaires de sels de ferrocène à base de pyridinium. Dans la partie I, une vue d'ensemble de la chimie des 1,2,4,5 tétrazine (s tétrazines) est présentée. Les stétrazines ont déjà trouvé des applications dans beaucoup de domaines, mais leur capacité à se lier avec des anions ou

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28

Chong, Eugene. "Early transition metal complexes of pyridine derivatives : applications in the catalytic synthesis of amines and N-heterocycles." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50998.

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The work described in this thesis focuses on the development of pyridine-derived group 4 and 5 complexes for application in the catalytic synthesis of selectively substituted amines. Two different catalytic alkene hydrofunctionalization reactions were targeted: hydroamination and hydroaminoalkylation. Respectively, these transformations provide atom-economical strategies for the formation of new C–N and C–C bonds on amines, using simple alkenes as the alkylating agents. A series of bulky mono(2-aminopyridinate)tris(dimethylamido)titanium complexes with varying steric parameters were synthesize

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29

Murray, Paul Ross. "Electrochemical and spectroelectrochemical studies on nitro-substituted poly-pyridine derivatives and their transition metal co-ordination complexes." Thesis, University of Edinburgh, 2005. http://hdl.handle.net/1842/11208.

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30

Colgin, Neil. "Synthetic approaches to novel pyridine and indole derivatives as potential agents for the treatment of neurodegenerative disorders." Thesis, University of Sunderland, 2009. http://sure.sunderland.ac.uk/4064/.

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Alzheimer’s Disease (AD), Parkinson’s Disease (PD) and Lewy Body Disease (LBD) are some of the many neurodegenerative disorders associated with dementia, for which there is no ultimate cure. It is widely accepted that central nervous system (CNS) nicotinic acetylcholine receptors (nAChRs) may be strongly implicated in the pathology of these devastating disorders, and that stimulation of nAChRs can enhance cognitive behaviour in animals and humans. Nicotine and other nicotinic receptor binding compounds have, over many years, been explored as potential therapies for disorders such as AD and PD.

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31

Banerjee, Sumela. "Supramolecular self-assembly within polymeric materials utilising triple hydrogen bonded heterocomplexes of 4-hydroxy-2,6-diamino pyridine derivatives." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-164706.

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In recent years supramolecular chemistry has established as one of the most active fields of science. The most significant feature of supramolecular chemistry is the use of building blocks which reversibly held together by intermolecular forces, electrostatic or H-bonding. Therefore, the synthesis of supramolecular systems using different non-covalent assemblies provides some unique architectures and features which are extremely difficult to be obtained via covalent synthesis. One main application of such influencing supramolecular systems is the preparation of self-healing materials. Among va

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32

SARWADE, Chandrakant. "Synthesis of Pyrrolo-Condensed Derivatives with Potential Antiviral Activity." Doctoral thesis, Università degli Studi di Palermo, 2014. http://hdl.handle.net/10447/91200.

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33

Fester, Gerrit. "Höherkoordinierte Pyridin-Addukte von Hydridochlorsilanen: Synthesen und Anwendungen." Doctoral thesis, TU Bergakademie Freiberg, 2009. https://tubaf.qucosa.de/id/qucosa%3A22703.

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Die vorliegende Arbeit befasst sich mit der Synthese, Stabilität und Reaktivität von Hydridochlorosilan-Pyridin-Addukten (RHSiCl2, RSiCl3, SiCl4; mit R=H, Me und Ph). Hydridochlorosilane, die zu den wichtigsten industriell verwendeten Siliciumverbindungen gehören, bilden in unpolaren Lösungsmitteln durch Umsetzung mit Pyridinbasen stabile Hydridochlorosilan-Pyridin-Addukte in sehr hohen Reinheiten und Ausbeuten. Neben diesen Komplexierungsreaktionen werden auch Dismutations-, Dissoziations- und Hydrosilylierungsreaktionen genauer untersucht. Die Charakterisierung der Produkte erfolgte durch Lö

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34

Dias, Marylene. "Cytokinines de la famille des n-phenyl-n-pyridylurees : synthèse d'analogues et étude photolytique d'un dérivé azido." Angers, 1994. http://www.theses.fr/1994ANGE0005.

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Dans l'espoir de mettre en évidence une activité anticytokinine dans les dérivés des n-phenyl-n-pyridylurees, 10 molécules, 9 urées et un carbamate, analogues structuraux de la n-benzyl-n-(2,6-dichloropyrid-4-yl) urée ont été synthétisés. Ces composés ont été obtenus par réaction de pyridylisocyanates ou de pyridylcarbamates avec des dérivés amines ou l'alcool benzylique. Nous avons par ailleurs mis en évidence l'impossibilité d'obtenir des urées par réaction des 4-amino-pyridines 2-substituées et de l'isocyanate de benzyle à cause de réactions secondaires. Les tests biologiques ont montré que

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35

Green, Anthony Laine. "The Directed ortho Metalation of pyridine derivatives with in situ boronation and links to the Suzuki-Miyaura cross coupling reaction." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ63310.pdf.

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36

Davis, Matthew Christopher 1970. "Chemical syntheses of rationally-designed pyridine and pyrazine derivatives and boron-containing compounds for inhibition of Mycobacterium tuberculosis in vitro." Diss., The University of Arizona, 1997. http://hdl.handle.net/10150/282393.

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Since tuberculosis incidence has been increasing world-wide due, in part, to infection from drug-resistant strains of Mycobacterium tuberculosis, there is a need for new, more effective drugs for treatment (Bloom and Murray 1992). To this end, the strategies of medicinal chemistry were applied this problem and a group of 22 small organic molecules were prepared as inhibitors of mycobacterial growth. The group is comprised of pyridines and pyrazines, boronic acids and esters, and diazaborines. The 10 pyridine and pyrazine compounds are composed of 5 pyridine derivatives (3PYSO, 4PYSO, 3PYS, 4PY

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37

Roberts, Thomas David. "Novel ligands based on 2,6-di(1H-pyrazol-5-yl)pyridine derivatives and applications in spin crossover and transfer hydrogenation complexes." Thesis, University of Leeds, 2015. http://etheses.whiterose.ac.uk/9418/.

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This thesis is an account of the synthesis of novel iron(II) and ruthenium(II) complexes using 2,6-di(1H-pyrazol-3-yl)pyridine based ligands and their efficacy as spin crossover complexes and transfer hydrogenation catalysts respectively. Chapter 1 is an introduction to the spin crossover and transfer hydrogenation detailing significant literature examples, important influencing factors and applications. Chapter 2 details the synthetic pathways towards all novel ligands used in this work, including numerous attempted pathways and problems which were overcome. Chapter 3 describes the properties

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38

Hevér, Aniko. "Inhibition of P-glycoprotein mediated efflux and modulation of MDR-1 gene expression in tumor cells by newly synthesised azaheteroyclic derivatives." Aix-Marseille 2, 1998. http://theses.univ-amu.fr.lama.univ-amu.fr/PHA_1998_1512.pdf.

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39

Galgano, Paula Decot. "Líquidos iônicos tensoativos: correlação entre estrutura molecular e propriedades micelares de cloretos de 1,3-dialquilimidazólio." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/46/46136/tde-02052013-111536/.

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Este trabalho tem como objetivo a síntese e a determinação de propriedades micelares de líquidos iônicos tensoativos (LITs) catiônicos. Dentre as características importantes desses compostos destacamos: alta deslocalização da carga e caráter ácido no hidrogênio H2 do anel heterocíclico e a grande flexibilidade estrutural, estas são relevantes para as propriedades de soluções desses tensoativos, e, consequentemente, para suas aplicações. A influência da variação estrutural nas suas propriedades é importante para modular as propriedades micelares e, por consequência suas aplicações. A síntese de

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40

Thomas, dit Dumont Laurence. "Contribution à la synthèse de la Streptonigrine. Synthèse de 4-phénylpyridines polyfonctionnelles par métallation et couplage croisé." Rouen, 1992. http://www.theses.fr/1992ROUES045.

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Ce travail décrit la synthèse de 4-phénylpyridines polyfonctionnelles nécessaires à la construction du squelette de la Streptonigrine. La stratégie de synthèse de ces dérivés utilise l'association de deux méthodes: la fonctionnalisation par métallation et le couplage biarylique catalysé par le palladium. Ce schéma de synthèse nous a conduit à étudier une méthode d'amination électrophile par voie carbanionique (préparation de 3-aminopyridines diverses), la métallation de pyridine-N-oxydes et le couplage pyridine-benzène. Dans une dernière partie nous avons realisé un couplage phénylpyridine-qui

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41

Kyllo, Erica M. "The photophysics and molecular conformations of methoxy- and pyridine-substituted poly(phenylene vinylene) segmented block copolymers and bis-MSB derivatives in solution and thin film /." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486463321625198.

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42

Zsoldos, Daniela. "Complexes mono et bis bipyridine carbonyle de ruthénium(II), précurseurs de polymères organométalliques : propriétés électrochimiques et applications à l'électrocatalyse de la réduction du CO2 en milieu aqueux." Université Joseph Fourier (Grenoble), 1997. http://www.theses.fr/1997GRE10027.

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Ce memoire est consacre a l'etude de l'electrocatalytique de la reduction du co#2 par des complexes mono et bis bipyridine bis carbonyle de ru(ii), en phase homogene ou supportee (electrodes modifiees). Une partie de ce travail traite des proprietes electrochimiques des complexes trans-(cl)-cis-(co)-ru(l)(co)#2cl#2 (l = 2,2'-bipyridine substituee ou non ou 1,10-phenanthroline) et cis-(bpy)-cis-(co)-ru(bpy)#2(co)#2#2#+, precurseurs de polymeres du type ru(l)(co)#2#n, espece electrocatalytique clees. Le mecanisme d'electrogeneration de ces polymeres organometallique a pu etre determine, grace en

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43

Chichaoui, Ilhame. "Expériences concernant l'évolution chimique des alcaloïdes : des structures pyridiniques aux structures pyrrolidiniques." Rouen, 1993. http://www.theses.fr/1993ROUES039.

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La majeure partie de ce travail est consacrée à l'étude expérimentale d'une hypothèse concernant l'évolution chimique entre deux classes d'alcaloïdes, les composés pyridiniques et les composés N-méthyl pyrrolidiniques. Le premier chapitre consiste en un rappel bibliographique succinct des expériences de la chimie prébiotique. Dans le deuxième chapitre, est décrite une voie de corrélation en quatre étapes entre les familles de produits naturels étudiés. Cette synthèse est basée sur la chimie des énamines hétérocycliques et des sels d'iminiums α bromés correspondants. Le composé pyridinique init

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Raynaud, Isabelle. "Etude des relations structure-activité quantitatives (QSAR) des cytokinines : synthèse et activité biologique de nouvelles molécules actives." Angers, 1996. http://www.theses.fr/1996ANGE0022.

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Un modèle statistique de relations structure-activité de type quantitatif des cytokinines, hormones végétales, a été mis au point. Il a été construit à partir de 26 molécules appartenant aux deux principales classes de cytokinines : les pyridylphenylurées et les purines n#6-substituées. Apres l'analyse conformationnelle de ces 26 molécules, différents alignements ont été construits et testes dans COMFA. Finalement, deux modèles ont été sélectionnés. Ils ont été valides par des échantillons-tests de molécules connues. Le meilleur modèle, ORL1, a ensuite servi pour faire des prédictions d'activi

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Banerjee, Sumela [Verfasser], Brigitte [Akademischer Betreuer] Voit, and Wolfgang H. [Akademischer Betreuer] Binder. "Supramolecular self-assembly within polymeric materials utilising triple hydrogen bonded heterocomplexes of 4-hydroxy-2,6-diamino pyridine derivatives / Sumela Banerjee. Gutachter: Brigitte Voit ; Wolfgang H. Binder. Betreuer: Brigitte Voit." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://d-nb.info/1071785605/34.

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Paris, Antoine. "Synthèses de dérivés silylés en séries pyridinique et diazinique. Application de la réaction d'ipso-désilylation à l'élaboration de polyhétérocycles." Rouen, 1997. http://www.theses.fr/1997ROUES053.

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Ce travail décrit la préparation de dérivés silylés en séries pyridinique et diazinique. L'emploi de la technique de piégeage in situ du lithien avec le chlorure de triméthyl-silyle a permis d'obtenir une fonctionnalisation régioselective sur certaines pyridines et diazines. Une étude de la réaction d'ipso-désilylation a été effectuée sur ces différents composés. L'intérêt de l'utilisation du groupement triméthylsilyle dans la série des hétérocycles pi-déficitaires est illustré par les synthèses de divers polyhétérocycles (γ-Carboline, Benzo[h]- 1,6-naphtyridine, 5,6-Diarylpyridazin-3-one) par

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Larsson, Andreas. "Antiadhesive agents targeting uropathogenic Escherichia coli : Multivariate studies of protein-protein and protein-carbohydrate interactions." Doctoral thesis, Umeå : Dept. of Chemistry, Univ, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-314.

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Berkaoui, M'hamed. "Réactivité énaminique de β-aminothiophènes vis-à-vis de divers électrophiles. Accès à des hétérocycles thiophéniques azotés". Rouen, 1998. http://www.theses.fr/1998ROUES015.

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Le fort caractère énaminique des 3-aminothiophènes est responsable de la grande réactivité de la position 2 de l'hétérocycle vis-à-vis des réactifs électrophiles et des acides. L'action d'un aldéhyde en présence de sélénophénol, comme réducteur, et de traces acides, ouvre une voie d'accès aux 2-alkyl 3-aminothiophènes et à leurs dérivés acétamides et carbamates. Le mécanisme de cette réaction de C-alkylation suppose la formation d'un carbocation pseudo-benzylique intermédiaire mis en évidence par capture avec le thiophénol ou le pyrrole. En absence de réducteur, on observe une double alkylatio

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Wong, Yung-Sing. "Nouveaux intermediaires chiraux de type 1,4-dihydropyridine et equivalents de sels de 3,4-dihydropyridinium pour la synthese asymetrique de piperidines polysubstituees. Application a la synthese enantioselective du 3-ppp et de l'indolizidine 195b." Paris 11, 1994. http://www.theses.fr/1994PA112105.

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L'application de la reaction de zincke a des amines primaires enantiomeriquement pures a donne des sels de pyridinium portant un centre asymetrique directement fixe sur l'azote, a partir de la pyridine correspondante, substituee ou non en position 3. L'etude de la reduction par le dithionite de sodium de ces sels a conduit de maniere efficace a de nouveaux intermediaires 1,4-dihydropyridines chiraux. La reduction des sels n-substitues par une chaine phenylethanol donne des 1,4-dihydropyridines qui s'isomerisent en 3,7,8,8a-tetrahydro-2h-oxazolo3,2-apyridines. Une etude structurale a ete entrep

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CHAMBON, JEAN-PIERRE. "Caracterisation de derives pyridazinyl-gaba comme ligands antagonistes du recepteur gaba-a." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13002.

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