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Relevant bibliographies by topics / Decarboxylation of Picolinic Acid / Dissertations / Theses

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Dissertations / Theses on the topic 'Decarboxylation of Picolinic Acid'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Ping, Eric Wayne. "Silica supported palladium nanoparticles for the decarboxylation of high-acid feedstocks: design, deactivation and regeneration." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39537.

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The major goals of this thesis were to (1) design and synthesize a supported catalyst with well-defined monodisperse palladium nanoparticles evenly distributed throughout an inorganic oxide substrate with tunable porosity characteristics, (2) demonstrate the catalytic activity of this material in the decarboxylation of long chain fatty acids and their derivatives to make diesel-length hydrocarbons, (3) elucidate the deactivation mechanism of supported palladium catalysts under decarboxylation conditions via post mortem catalyst characterization and develop a regeneration methodology thereupon,

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2

Allsebrook, Andrew M. "QPRTase : quinolinic acid analogue synthesis and non-enzymic decarboxylation of N-alkylquinolinic acids." Thesis, University of St Andrews, 1998. http://hdl.handle.net/10023/14376.

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Quinolinate phosphoribosyltransferase (QPRTase, E.C. 2.4.2.19) is considered to be a unique enzyme in that it is thought to catalyse two distinct chemical reactions. Both the transfer of a phosphoribosyl group from 5-phosphoribosyl-1- pyrophosphate onto the nitrogen of quinolinic acid and the subsequent decarboxylation of the intermediate to form nicotinic acid mononucleotide are thought to be catalysed by the QPRTase system. Analogues of quinolinic acid were designed as potential inhibitors of QPRTase. These contain acidic groups at the 2- and 3- positions but are unable to decarboxylate. How

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3

Catton, Gemma R. "Mechanistic studies on quinolinate phosphoribosyltransferase /." St Andrews, 2007. http://hdl.handle.net/10023/485.

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4

Catton, Gemma Rachel. "Mechanistic studies on quinolinate phosphoribosyltransferase." Thesis, University of St Andrews, 2008. http://hdl.handle.net/10023/485.

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Quinolinate phosphoribosyltransferase (QPRTase, EC 2.4.2.19) is an intriguing enzyme which appears to catalyse two distinct chemical reactions; transfer of a phosphoribosyl moiety from 5-phosphoribosyl-1-pyrophosphate to the nitrogen of quinolinic acid and decarboxylation at the 2-position to give nicotinic acid mononucleotide. The chemical mechanism of QPRTase is not fully understood. In particular, enzymatic involvement in the decarboxylation step is yet to be conclusively proven. QPRTase is neurologically important as it degrades the potent neurotoxin, quinolinic acid, implicated in disease

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5

Pendleton, Stephen J. "The migration of radioactive caesium and strontium through a bentonite-like clay." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/14963.

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A number of leaks of radioactive liquors to ground are known to have occurred from several plant buildings, vaults and disposal trenches within and around the Separation area at the Sellafield nuclear site over the past 50 years1. The most significant of these leaks have occurred from the Magnox Silo, the Caesium Extraction Plant, the Magnox Reprocessing Pump House, the Sludge Storage Tanks, the Burial Pits and the Medium Active Evaporation and Thermal Denitration Plant. The radioactive contamination will be accompanied by other components of spent fuel reprocessing, including inorganic salts

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6

Rück, Katharina [Verfasser], and Peter [Akademischer Betreuer] Comba. "Synthesis and evaluation of novel picolinic acid-based bispidine ligands and their metal complexes for the application in nuclear medicine / Katharina Rück ; Betreuer: Peter Comba." Heidelberg : Universitätsbibliothek Heidelberg, 2017. http://d-nb.info/1180986954/34.

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7

Sy, Mohamadou. "Développement de nouveaux complexes luminescents de lanthanides." Thesis, Strasbourg, 2016. http://www.theses.fr/2016STRAF014/document.

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Cette thèse s’inscrit dans le cadre du projet « NanoFret », financé par L’Agence Nationale de Recherche (ANR). Elle visait à développer de nouveaux complexes luminescents de lanthanides dans le but de les utiliser dans le diagnostic du choc septique. Le complexe idéal devait posséder une longueur d’onde d’excitation élevée, un temps de vie de luminescence long et une brillance élevée. Nos complexes devaient présenter un nombre important de groupements chromophoriques. Nous avons travaillé sur plusieurs types de ligands afin d’améliorer ces propriétés. La recherche sur les ligands dérivés du cy

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8

Reinoso-Maset, Estela. "Aqueous and solid phase interactions of radionuclides with organic complexing agents." Thesis, University of Plymouth, 2010. http://hdl.handle.net/10026.1/300.

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Characterising the geochemistry and speciation of major contaminant radionuclides is crucial in order to understand their behaviour and migration in complex environmental systems. Organic complexing agents used in nuclear decontamination have been found to enhance migration of radionuclides at contaminated sites; however, the mechanisms of the interactions in complex environments are poorly understood. In this work, radionuclide speciation and sorption behaviour were investigated in order to identify interactions between four key radionuclides with different oxidation states (Cs(I) and Sr(II)

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9

Yuen, Lao-Duien. "Part I. Studies involving the formation of pyridoxamine-5'-phosphate Schiff bases and their zinc(II) complexes ; Part II. Activity of partly metallated polymer in the decarboxylation of oxalacetic acid /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487262825075348.

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10

Gorzsás, András. "Vanadate and Peroxovanadate Complexes of Biomedical Relevance : A speciation approach with focus on diabetes." Doctoral thesis, Umeå University, Chemistry, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-489.

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<p>Diabetes mellitus is one of the most threatening epidemics of modern times with rapidly increasing incidence. Vanadium and peroxovanadium compounds have been shown to exert insulin–like actions and, in contrast to insulin, are orally applicable. However, problems with side–effects and toxicity remain. The exact mechanism(s) by which these compounds act are not yet fully known. Thus, a better understanding of the aqueous chemistry of vanadates and peroxovanadates in the presence of various (bio)ligands is needed.</p><p>The present thesis summarises six papers dealing mainly with aqueous spec

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11

Vam, Albert. "Kinetics of the Hydro-Deoxygenation of Stearic Acid over Palladium on Carbon Catalyst in Fixed-Bed Reactor for the Production of Renewable Diesel." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1373313020.

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12

Fernandes, Jandilson Soares. "Catalisadores de paládio suportado em carvão ativado para produção de biocombustíveis." Universidade Federal da Paraíba, 2011. http://tede.biblioteca.ufpb.br:8080/handle/tede/7043.

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Made available in DSpace on 2015-05-14T13:21:08Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 2470601 bytes, checksum: bbe63c6c08f3ff229939be1fa3d736d8 (MD5) Previous issue date: 2011-11-16<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The aim of this study is the preparation and characterization of the Pd/C catalyst for the stearic acid decarboxylation in order to obtain paraffinic biodiesel. The precursors used in the coal preparation were the coconut endocarp and the Manila palm sheath. These coals were chemically activated and by microwave hydrothermal trea

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13

Jaussaud, Quentin. "Génération in situ d’isocyanates par décarboxylation d’acides oxamiques pour l’élaboration de matériaux polyuréthanes." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0139.

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Ces travaux de thèse portent sur la synthèse de polyuréthanes par génération in situ d’isocyanates, à travers différentes voies de moindre toxicité que la voie classique faisant appel à l’utilisation directe d’isocyanates. Dans un premier temps, la décarboxylation oxydante des acides oxamiques conduisant à la formation d’isocyanates a été réalisée par activation thermique grâce à l’utilisation d’un iodure hypervalent, jouant le rôle d’oxydant. Une étude cinétique sur des réactions modèles en présence d’alcool, associé à une modélisation numérique, ont notamment mis en évidence un effet catalyt

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14

Dantas, Filho Augusto. "Perovskita de estanato de estrôncio dopada com níquel como catalisador para síntese de bio-óleo." Universidade Federal da Paraíba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/7111.

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Made available in DSpace on 2015-05-14T13:21:28Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 1107754 bytes, checksum: 2b95f8e4dd03a5d3ac60341d4518d860 (MD5) Previous issue date: 2012-12-10<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The reactions of deoxygenation fatty acids are widely used for production of biofuels, using temperatures ranging from 300-350 °C. The purpose of this work was to prepare and characterize the catalyst SrSn0,9Ni0,1O3 applied in decarboxylation of stearic acid to obtain bio-oil. The strontium stannate (SrSnO3) orthorhombic pero

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15

Lücken, Jana. "Transformations of Energy-Related Small Molecules at Dinuclear Complexes." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-1563-4.

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16

Neves, Regina Maria de Almeida. "Reações de α-sulfonil carbânions: alquilação e sulfenilação de alguns α-sulfonil tioésteres. Descarboxilação alquilativa dos ácidos α-fenilsulfonil-α-fenilpropanóicos racêmico e opticamente ativo." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/46/46135/tde-28052015-160006/.

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A presente tese trata de α-sulfonil carbânions, trazendo uma contribuição para a compreensão da sua estabilidade conformacional e reatividade frente a reagentes eletrofílicos. As reações investigadas foram as alquilações e sulfenilações de α-sulfonil tioésteres e as descarboxilações alquilativas dos ácidos α-fenilsulfonil-α-fenilpropanóicos racêmico e opticamente ativo. A apresentação e discussão dos resultados das reações de alquilação e sulfenilação é precedida por uma revisão bibliográfica que apresenta os trabalhos mais relevantes da literatura sobre as reações de &#945

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17

Mapembé, Kimené Anouchka. "Décarboxilation catalytique de l'acide palmique en n-pentadécane." Thesis, Ecole centrale de Lille, 2017. http://www.theses.fr/2017ECLI0031/document.

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La réaction de décarboxylation de l’acide palmitique en n-pentadécane a été étudiée en réacteur discontinu en présence de catalyseurs bimétalliques de type Ni-Me (où Me=Fe, Cu ou Ag) supportés sur charbon actif. Ces catalyseurs ont été préparés à l’aide d’un robot haut débit disponible sur la plateforme REALCAT de l’UCCS par déposition-précipitation en utilisant l’hydrazine comme agent réducteur afin de mieux maitriser la taille des nanoparticules métalliques, leur distribution et leur degré de réduction. Ces derniers ont été caractérisés par ICP, adsorption d’azote, XPS, XRD et TEM afin d’obt

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18

Guzman, Barrera Nydia Ileana. "Eco-compatible syntheses of bio-based solvents for the paint and coating industry." Thesis, Toulouse, INPT, 2018. http://www.theses.fr/2018INPT0050/document.

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La production mondiale de solvants représente environ 28 millions de tonnes, dont 5 millions en Europe. L’industrie des peintures et des revêtements en est la principale consommatrice (46 % des solvants produits). Dans ce domaine, les solvants les plus utilisés sont l'acétate d'éthyle, l'acétate de butyle et la méthyl éthyl cétone. Ces molécules sont actuellement synthétisées industriellement à partir de substrats d’origine pétrochimique en présence de catalyseurs homogènes et dans des conditions énergivores. Afin de réduire l’impact environnemental des peintures et revêtements, la substitutio

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19

Headley, George William. "Solvent dependence of the oxygen kinetic isotope effect on the decarboxylation of 4-pyridylacetic acid." 1988. http://catalog.hathitrust.org/api/volumes/oclc/18229919.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1988.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaf 44).

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20

Baur, Markus A. [Verfasser]. "α-amino [Alpha-amino] acid derivatives and α-fluoro [alpha-fluoro] ketones by enantioselective decarboxylation / presented by Markus A. Baur". 2003. http://d-nb.info/968540422/34.

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