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Dissertations / Theses on the topic 'Oxazol'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Santos, Daniela Rubia dos, Ieda Maria Begnini, and Universidade Regional de Blumenau Programa de Pós-Graduação em Química. "Síntese de cristais líquidos derivados dos heterociclos oxazol e tetrazol /." reponame:Biblioteca Digital de Teses e Dissertações FURB, 2006. http://www.bc.furb.br/docs/TE/2006/317236_1_1.pdf.

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2

Dantas, Lucinêz da Cruz. "Estudo do caráter dirradicalar de compostos da classe 1,3-Oxazol e 1,3-Tiazol." Universidade Federal da Paraíba, 2013. http://tede.biblioteca.ufpb.br:8080/handle/tede/7095.

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Made available in DSpace on 2015-05-14T13:21:22Z (GMT). No. of bitstreams: 1 ArquivoTotalLucinez.pdf: 2070839 bytes, checksum: 3d56c7860a648e855f328fcab8ae6afb (MD5) Previous issue date: 2013-05-27<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The mesoionic compounds can not be represented by a purely ionic or covalent structure. Are neutral compounds that have well-separated regions of positive and negative charges, leading to a high dipole moment. They show wide range of applications, through biology and medicinal chemistry, as well in the obtaining produc

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3

Mello, Amanda Catharino de. "Obtenção de derivados de 1,3-oxazol através de reações de inserção envolvendo azalactonas e diazocompostos." Universidade Federal de Juiz de Fora (UFJF), 2018. https://repositorio.ufjf.br/jspui/handle/ufjf/7886.

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Submitted by Geandra Rodrigues (geandrar@gmail.com) on 2018-10-11T13:35:50Z No. of bitstreams: 1 amandacatharinodemello.pdf: 10070208 bytes, checksum: b00c39e2e5a28a1be7b81ed6260d151b (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2018-10-16T13:59:05Z (GMT) No. of bitstreams: 1 amandacatharinodemello.pdf: 10070208 bytes, checksum: b00c39e2e5a28a1be7b81ed6260d151b (MD5)<br>Made available in DSpace on 2018-10-16T13:59:06Z (GMT). No. of bitstreams: 1 amandacatharinodemello.pdf: 10070208 bytes, checksum: b00c39e2e5a28a1be7b81ed6260d151b (MD5) Previ

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4

Radspieler, Alexander. "Untersuchungen zur Synthese von Diazonamid A und Phorbazol A und C." Doctoral thesis, [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=960868712.

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5

Franke, Jana [Verfasser]. "Totalsynthese von 2-Deshexyl-Thuggacin C und Oxazol-Thuggacin B Derivaten & Studien zur Totalsynthese von aza-Thuggacin / Jana Franke." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2014. http://d-nb.info/1057897221/34.

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6

Scholz, Romy. "Synthese der Bacteriocine Amylocyclicin A und Plantazolicin in Bacillus amyloliquefaciens FZB42." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2011. http://dx.doi.org/10.18452/16283.

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Bacillus amyloliquefaciens FZB42 ist ein grampositives Bodenbakterium. Es kann in der Rhizosphäre das Wachstum von Pflanzen fördern und durch die Produktion von Sekundärmetaboliten phytopathogene Organismen hemmen. Aus der Genomanalyse und den dazugehörigen Arbeiten war bekannt, dass Bacillus amyloliquefaciens FZB42 nicht-ribosomal je drei antimikrobielle Polyketide und Lipopeptide herstellt, sowie zwei Siderophore und das Dipeptid Bacilysin. Für Bacillus typische Lantibiotika oder große Bacteriocine wurden nicht gefunden. In dieser Arbeit wird erstmalig gezeigt, dass Bacillus amyloliquefa

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7

Kalyon, Bahar [Verfasser], Roderich [Akademischer Betreuer] SüßMuth, and Hans-Peter [Akademischer Betreuer] Fiedler. "Fermentation, Isolierung und Strukturaufklärung der ribosomal synthetisierten Thiazol/Oxazol-Peptide Plantazolicin A und B aus Bacillus amyloliquefaciens FZB42 und Strukturaufklärung der Langkocycline aus Streptomyces sp. Acta 3034 / Bahar Kalyon. Gutachter: Roderich Süßmuth ; Hans-Peter Fiedler." Berlin : Technische Universität Berlin, 2014. http://d-nb.info/1067384782/34.

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8

Linder, Jorg. "Synthesis of the Oxazole-Containing Natural Products Siphonazole and Telomestatin." Thesis, University of Nottingham, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.517791.

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9

Riederer, Cordula. "Zur Synthese von Tetrahydro-oxazolo[4,3-c]-1,2,4-oxadiazol-5-onen und Tetrahydro-oxazolo[4,3-c]-1,2,4-oxadiazin-6-onen aus 4-Hydroxyimino-oxazolidin-2-onen." [S.l. : s.n.], 1999. http://www.sub.uni-hamburg.de/disse/68/riederer.PDF.

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10

Housseman, Christopher. "Synthèse de macrocycles par réaction multi-composants : approche énantiosélective d'une MCR : développement de nouveaux catalyseurs bifonctionnels." Paris 11, 2006. http://www.theses.fr/2006PA112226.

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11

Trethewey, A. N. "Synthesis and evaluation of perhydro-oxazolo [3,4-a] pyridines as fungicides." Thesis, University of Portsmouth, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354382.

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12

Lüdtke, Karin. "Fluoreszenzmarkierte Poly(2-oxazolin)e." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=978987861.

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13

Flegeau, Emmanuel Ferrer. "Palladium cross-couplings of oxazoles." Thesis, University of Edinburgh, 2008. http://hdl.handle.net/1842/3171.

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A review covering the literature until April 2008 concerning organometallic reactions to funcionalise oxazoles is described. A protocol for the functionalisation of the oxazole 2- and 4-positions using the Suzuki coupling reaction is described. 2- Aryl-4-trifloyloxazoles undergo rapid, microwave-assisted coupling with a range of aryl and heteroaryl boronic acids in good to excellent yields. The methodology is similarly effective using 4-aryl-2-chlorooxazoles as the coupling partner and has been extended to the synthesis of a novel class of homo- and heterodimeric 4,4- linked dioxazoles. In add

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14

Doyle, Kevin James. "Rhodium carbenoid route to oxazoles." Thesis, Loughborough University, 1994. https://dspace.lboro.ac.uk/2134/33073.

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This thesis describes investigations by the author into the preparation of the oxazole heterocyclic system, by the use of rhodium carbenoid methodology. Chapter 1 is a review of the literature on the formation of oxazoles, by the reaction between diazocarbonyl compounds and nitrites. The various conditions that have been employed in the reaction are detailed, as well as developments into the understanding of its mechanism. Chapter 2 reports the study into the preparation of 4-functionalised oxazoles. A series of 4- benzenesulfonyloxazoles, oxazole-4-phosphates and oxazole-4-carbonitriles were

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15

Charalambidou, E. "Synthesis of oxazole ring systems for use as inhibitors of telomerase function." Thesis, University of London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539106.

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16

Wills, Andrew Jonathan. "Studies on oxazolidines, oxazolines and oxazoles." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616146.

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17

Counceller, Carla Marie. "Development of Novel Methodologies for the Synthesis and Functionalization of Nitrogen Heterocycles." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1275047798.

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18

Gillie, Andrew Duncan. "Synthesis and applications of 4N-substituted oxazoles." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6374/.

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This thesis describes the advancement of a flexible and convergent gold-catalysed synthesis of trisubstituted oxazoles, and its application to the synthesis of novel polycyclic compounds. Following on from the initial discovery of this reaction, its scope and limitations have been have been explored, leading to a significant increase in the range of functionality which can be incorporated into the products. This reaction, and the novel structure of the 4-amido oxazole products, was then exploited to allow the construction of other complex molecules. A one-pot reaction cascade has been develope

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19

Naik, Manisha. "Studies towards the total synthesis of seco-halichondramide." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299704.

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20

Cornet, Joséphine. "Conception, synthese et etude pharmacologique d'inhibiteurs non peptidiques des metalloproteases matricielles (doctorat : pharmacochimie)." Lille 2, 1990. http://www.theses.fr/1999LIL2P271.

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21

Fernandes, Liana da Silva. "Síntese de 2-amino(alcoxi)-5-trifluoracetil-1,2,3,4-tetraidropiridinas e oxazolo[3,2-a]piridinas." Universidade Federal de Santa Maria, 2006. http://repositorio.ufsm.br/handle/1/10382.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The present work describes the synthesis of novel 2-alkoxy-5-trifluoroacetyl-1,2,3,4-tetrahydropyridines, 2-amino-5-trifluoroacetyl-1,2,3,4-tetrahydropyridines and oxazolo[3,2-a]pyridines from the cyclocondensation reactions between 2-alkoxy-5-trifluoroacetyl-2H-3,4-dihydropyranes and aminomethyl pyridines, aminoalcohols and o-aminophenol, respectively, in good yields (72-96%). The 2-alkoxy-5-trifluoroacetyl-1,2,3,4-tetrahydropyridines were synthesized using stoichiometric amounts of the trifluoroacetyl dihydropyranes and three dif

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22

Verrier, Cécile. "Etude des nouvelles méthodologies de fonctionnalisation directe palladocatalysées de la liaison C-H en série oxazole-4-carboxylate : application à la synthèse de molécules naturelles et de sondes fluorescentes oxazoliques." Phd thesis, INSA de Rouen, 2010. http://tel.archives-ouvertes.fr/tel-00577109.

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Les méthodes de synthèse d'hétérocycles fonctionnalisés suscitent un vif intérêt de la part de l'industrie pharmaceutique et sont d'une grande importance pour la synthèse de produits naturels et le développement des nano-sciences. La chimie organométallique a révolutionné les approches de fonctionnalisation d'hétérocycles et actuellement le développement de méthodes alternatives aux couplages croisés basées sur la fonctionnalisation directe de la liaison C-H catalysées par un métal de transition, qui sont plus attractives en terme d'économie d'atomes et de chimioselectivité, est fortement étud

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23

Ling, Matthew. "Studies towards the total synthesis of the marine metabolite diazonamide A." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243405.

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24

Plowright, Alleyn T. "Synthetic studies towards the marine natural product phorboxazole A." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311837.

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25

Bayh, Omar. "Nouvelle méthode de fonctionnalisation d'hétérocycles et des composés benzéniques par voie organimétallique : déprotonations par des magnésiates, réactions avec des électrophiles et couplages." Thesis, Rouen, INSA, 2008. http://www.theses.fr/2008ISAM0010.

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Ce travail a eu pour objectif l’étude d’une nouvelle méthodologie de fonctionnalisation aromatique basée sur la déprotonation par les bases magnésiates (alkyl- et/ou amidomagnésiates de lithium) à température ambiante encore très peu étudiée et l’examen de la réactivité nucléophile et dans le couplage croisé catalysé par un métal de transition des complexes (hétéro)arylmagnésiates générés. La première partie a été centrée sur la déprotonation des hétérocycles à 5 chaînons (furane, thiophène, benzoxazole et oxazole) qui a été réalisée avec succès en utilisant essentiellement la base Bu3MgLi. Le

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26

Bin, Hussein Mohd Zobir. "Electronic spectroscopy naphthols, 1,2,4,5-tetraflurorobenzene, fluorostyrenes and oxalyl fluoride." Thesis, University of Reading, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329597.

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27

Niblock, Helen Sarah. "Synthesis of the C(1)-C(9) fragment of disorazole C1 and novel heterocyclic analogues." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/6251.

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A highly convergent strategy for the synthesis of the antitubulin polyketide disorazole C1 is proposed based around the alkyne precursor I, featuring a novel Evans-Tishchenko/ring closing alkyne metathesis approach. Due to the inherent symmetry of the molecule this retrosynthesis leads to two fragments: a β- hydroxyketone II and the oxazole C(1)-(9) fragment III. A review of previous syntheses of disorazole C1 and established structure activity relationships (SARs) highlights a gap in current knowledge relating to the role of the oxazole in tubulin binding. Therefore, the focus of this researc

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28

Jones, Garry B. "Design, synthesis and evaluation of DNA-binding oxazolo[2,3-c][1,4]benzodiazepines and pyrrolo[2,1-c][1,4]benzodiazepines." Thesis, University of Portsmouth, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293269.

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29

Bughin, Carine. "Activation d'un acide carboxylique terminal via un oxazole interne : application à la synthèse de cyclodepsipeptides et d'aminosucres cycliques." Paris 11, 2005. http://www.theses.fr/2005PA112265.

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Le projet scientifique est consacré au développement d'un nouveau concept d'activation d'acide carboxylique via une oxazole interne, et son application à la synthèse de macrocycles et de polypeptides de structures variées. L'exploitation de la réactivité en milieu acide des 5-amino-oxazoles correctement fonctionnalisées, nous a permis d'activer des acides carboxyliques et d'utiliser ces acides activés pour la cyclisation de macrocycles et l'acylation de polypeptides. Ce concept valorise les travaux récents du laboratoire sur la synthèse à trois composants de 5-amino-oxazoles à partir d'une ami

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30

Hortala, Laurent. "Synthèse et étude de récepteurs d'amines primaires à structures pyridine et quinoléine oxazolines. Application à l'accélération d'une réaction d'aminolyse d'esters vers de nouveaux transporteurs d'aminoacides." Rouen, 2001. http://www.theses.fr/2001ROUES002.

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Ce travail nous a permis, dans un premier temps, d'évaluer la capacité des structures diPyridine méthane Bisoxazolines (diPyBox) et Pyridine Bisoxazolines (PyBox) à effectuer la reconnaissance fonctionnelle d'amines primaires par formation de liaisons hydrogène. La mesure des constantes d'association par R. M. N. 1H nous a montré que les composés PyBox ont une géométrie mieux adaptée à complexer ces amines et des complexes de stoechiométrie 1:1 ont pu être mis en évidence. Dans une deuxième partie, nous avons exploité la reconnaissance de la fonction amine par le récepteur PyBox dans l'optique

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31

Reif, Michael. "Maßgeschneiderte Poly(2-oxazolin)e für die Darstellung komplexer biomimetischer Zellmembranen." kostenfrei, 2009. http://mediatum2.ub.tum.de/node?id=818159.

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32

Tyler, Simon Nicholas George. "Asymmetric synthesis using enantiopure dihydro-2H-1,4-oxazin-2-one templates." Thesis, University of Reading, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266800.

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33

Adetchessi, Ouro-Sama. "Conception et synthèse de 2-Amino-2-Oxazolines : contribution à l'étude de leur réactivité." Bordeaux 2, 1996. http://www.theses.fr/1996BOR2B003.

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34

Chatterley, Alexander. "Benzisoxazoles : new routes to coleophomone analogues." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/16261.

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This project has been part of an ongoing interest in metabolites with a cyclic tricarbonyl motif 1, usually enolised. Coleophomones A C have a unique architecture with the cyclic tricarbonyl motif embedded in an 11-membered ring: A & B exist in aldol equilibrium, B & C are geometric isomers, and D lacks the macrocycle.1,2 Antifungal & antibiotic activity, and inhibition of human heart chymase & bacterial cell-wall transglycosylase, has generated synthetic interest. In an approach distinct from reported studies,3 we propose 4-carbonyl-substituted isoxazoles, from dipolar cycloaddition of nitril

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35

Özüduru, Gülsüm [Verfasser]. "Kohlenhydrat-Bis(oxazolin)-Liganden in der asymmetrischen Cyclopropanierung von Indolen / Gülsüm Özüduru." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2013. http://d-nb.info/1041653662/34.

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36

Locher, René. "Spektroskopische Eigenschaften von Oxazin-4 als Funktion der Temperatur und der Matrix /." [S.l.] : [s.n.], 1991. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=9384.

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37

Bottrill, Stephen. "Comparative studies of oxalyl-CoA decarboxylase produced by soil and ruminal bacteria." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09ANM/09anmb751.pdf.

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Bibliography: leaves 139-167 The aim of this project was to identify an enzyme responsible for the metabolism of oxalate which would be suitable for degrading oxalate in the rumen, and clone and characterise that gene.

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38

Primas, Nicolas. "Etude de la synthèse et de la réactivité de nouveaux acides et esters boroniques en séries imidazole, thiazole et oxazole." Caen, 2009. http://www.theses.fr/2009CAEN4057.

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Le travail décrit dans ce mémoire de thèse concerne la synthèse et l’étude de la réactivité d’acides et d’esters boroniques en série imidazole, thiazole et oxazole. La première partie est consacrée à un rappel sur les voies d’accès aux dérivés organoborés et leur réactivité en synthèse organique puis à une étude bibliographique des différentes méthodes de synthèse d’acides et d’esters boroniques d’hétérocycles à cinq chaînons. Nous envisagerons également les propriétés biologiques de ces composés ainsi que leurs applications thérapeutique. Des notions de toxicité et d’écotoxicité des dérivés d

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39

Kozlik, Roza Maria. "The chemistry of palladacycles derived from phenyl-oxazolines /." abstract and full text PDF (UNR users only), 2007. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3279641.

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Thesis (Ph. D.)--University of Nevada, Reno, 2007.<br>"May, 2007." Includes bibliographical references. Library also has microfilm. Ann Arbor, Mich. : ProQuest Information and Learning Company, [2008]. 1 microfilm reel ; 35 mm. Online version available on the World Wide Web.

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Fayol, Aude. "Développement de nouvelles réactions multi-composants pour la synthèse de polyhétérocycles polysubstitués." Paris 11, 2004. http://www.theses.fr/2004PA112219.

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Le projet scientifique a consisté à développer de nouvelles réactions multi-composants (MCR) pour la synthèse de polyhétérocycles de structures très variées. Pour cela, nous avons mis en valeur la synthèse à trois composant de 5-amino-oxazoles récemment développée par le laboratoire. En effet, à partir d'un aldéhyde, d'une aminé et d'un isocyanoacétamide, il a été développé une synthèse très efficace de motif 5-amino-oxazoles. L'utilisation de la réactivité de cette plate-forme amino-oxazole et en particulier son caractère diénique, a permis d'étendre considérablement le champ de cette nouvell

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41

Perry, Martin Harold. "The synthesis of novel nitrogen heterocycles in the field of phthalocyanines and oxazoles." Thesis, Keele University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320249.

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42

Pertler, Stephanie L. "Synthesis of 3-arylisoxazoles and 5-arylisoxazoles." Virtual Press, 2006. http://liblink.bsu.edu/uhtbin/catkey/1348869.

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The goal of this research project was to synthesize a small library of 3- and 5-arylisoxazoles. These compounds are of interest because of potential biological activity similar to Fipronil. Fipronil is used commercially in the agrochemical industry and exhibits pesticidal activity as a noncompetitive inhibitor of the GABA receptor. By deleting the amino group normally at the 5-position and the cyano group normally at the 3-position and changing the atoms in the heterocyclic ring from containing two nitrogen atoms to one nitrogen and one oxygen atom, we hope to create changes in the binding so

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43

Muir, James C. "The total synthesis of curacin A and muscoride A." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285632.

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44

Gaulon-Nourry, Catherine. "Les N-vinyl-2-oxazolidinones, nouveaux diénophiles en hétérocycloaddition [4+2] : application à la synthèse asymétrique de N-glucosides originaux." Le Mans, 2003. http://cyberdoc.univ-lemans.fr/theses/2003/2003LEMA1010.pdf.

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Notre travail a consisté à étudier la réactivité inédite des N-vinyl-2-oxazolidinones en tant que diénophiles en hétérocycloaddition [4+2] à demande inverse. Après avoir mis au point une méthode simple et efficace pour synthétiser les N-vinyl-2-oxazolidinones, leur réactivité a été étudiée vis-à-vis de divers hétérodiènes activés de type a-cétoester ß,?-insaturé. En présence d'une quantité catalytique d'Eu(fod)3 et au reflux du cyclohexane, les cycloadditions ont conduit à des dihydropyranes fonctionnalisés originaux avec un rendement élevé, une endo-sélectivité quasiment totale et une diastér

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45

Akuche, Christiana Ifeyinwa. "A novel antibacterial agent by design, 2-carboxymethyl-5-hydroxy-1,2-oxazin-3-one." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq24079.pdf.

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46

Chellat, Mathieu François. "Studies Toward the Total Synthesis and Structure Determination of Leiodelide A." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313173469.

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47

Vidal, Pascual María. "New dioxa and oxaza-tricyclononanes and study of their biological activity." [S.l.] : [s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=969737815.

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48

Mai, Nicole. "The role of MRPL45 and OXA1L in human mitochondrial protein synthesis." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3670.

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Mitochondria produce 90% of the adenosine triphosphate (ATP) used by eukaryotic cells as a source of energy. ATP synthesis is carried out by the oxidative phosphorylation (OXPHOS) system whose components are partially-encoded by mitochondrial DNA and translated by mitoribosomes found in the organelle itself. The interaction between mitoribosomes and the inner mitochondrial membrane (IMM) has been claimed to be important for efficient protein synthesis in these organelles, but how this association occurs is still unclear. The aim of this study was to investigate the association between mitoribo

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Robert, Maxime. "Le risque lithogène oxalo-calcique urinaire : modalités d'évaluation et évolution nycthémérale." Montpellier 1, 1994. http://www.theses.fr/1994MON1T030.

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Maurer, Frauke [Verfasser], and Uli [Akademischer Betreuer] Kazmaier. "Anwendungen von Oxazolin- und Thiazolin-Liganden in der Asymmetrischen Katalyse / Frauke Maurer. Betreuer: Uli Kazmaier." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2011. http://d-nb.info/1051326095/34.

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