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Dissertations / Theses on the topic 'Murexide Complex of Vanadium'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Salam, Md Abdus. "Studies in vanadium chemistry /." Title page, contents and summary only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phs1595.pdf.

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2

Bolte, Stephanie Elizabeth. "Vanadium-51 solid state NMR of inorganic vanadium(V) dipicolinic acid complexes." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 76 p, 2009. http://proquest.umi.com/pqdweb?did=1889078501&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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3

Koussi, Erieta-Katerina. "Micro patterning of complex Waveguide Resonant Gratings (WRG)." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSES027.

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Cette thèse de doctorat intitulée “Micro structuration de Réseaux Résonants complexes” étudie les dispositifs de détection optique, qui impliquent diverses techniques de photolithographie et outils de micro/nanotechnologie pour leur fabrication. Ces dispositifs, dans leur forme classique, consistent en un réseau de diffraction formé de lignes microscopiques gravées périodiquement sur une surface photosensible, qui est déposée sur une couche diélectrique, le guide d'onde. Les deux couches sont supportées sur un substrat. Pour activer les fonctions de détection, le réseau de diffraction doit êtr

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4

Chieregato, Alessandro. "Glycerol oxidehydration to acrylic acid on complex mixed-metal oxides." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/49558.

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[EN] The project of this Ph.D. thesis is based on a co-supervised collaboration between Università di Bologna, ALMA MATER STUDIORUM (Italy) and Instituto de Tecnología Química, Universitat Politècnica de València ITQ-UPV (Spain). This Ph.D. thesis is about the synthesis, characterization and catalytic testing of complex mixed-oxide catalysts mainly related to the family of Hexagonal Tungsten Bronzes (HTBs). These materials have been little explored as catalysts, although they have a great potential as multifunctional materials. Their peculiar acid properties can be coupled to other functiona

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5

Polivchuk, Matthew. "The Formation of Vanadium Deposits in the Archean Rivière Bell Complex, Quebec: Insights from Fe-Ti Oxide Chemistry." Thesis, Université d'Ottawa / University of Ottawa, 2018. http://hdl.handle.net/10393/37071.

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Cryptic trends in the trace element chemistry of Fe-Ti oxide minerals have been used to elucidate the magmatic processes responsible for the formation of Fe-Ti-V deposits in the Rivière Bell Complex layered mafic-ultramafic intrusion near Matagami, Quebec, Canada. Although metamorphism at greenschist-amphibolite facies conditions has modified the primary igneous compositions of magnetite and ilmenite, their Cr and V contents appear to have been unaffected. Chemostratigraphic variations of these elements in Fe-Ti oxides therefore remain valid tracers of magmatic differentiation, even in metamor

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6

Godwin, Christopher. "Oxovanadium Complex-Catalyzed Aerobic C-C Bond Cleavage of Biomass-derived Scaffolds." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39567.

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The non-sustainable nature of fossil fuels as feedstocks for valuable chemicals, combined with the environmental damage caused by their extraction and combustion, increases the need for the development of a bio-based economy. While industry and public opinion are slowly shifting towards acceptance of this change, efficient technologies for the depolymerization and subsequent separation of lignocellulosic biomass fall short of the ever-increasing demand. In particular, there are currently no efficient, sustainable mass scale methods to convert lignin, the most abundant source of aromatic molecu

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7

Kuwata, Shigemasa. "Transition metal complexes of 3,7-diazabicyclo[3.3.1]nonane derivatives complex stabilities and oxidation reactivity of cobalt (II) and vanadium (IV) /." [S.l. : s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=974319856.

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8

Labonnette, Daniel. "Etude des especes du vanadium iv en milieu faiblement acide et alcalin : isopolyanions mixtes mo**(vi)-v**(iv), complexes carbonates de v**(iv)." Orléans, 1987. http://www.theses.fr/1987ORLE2009.

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L'alcalinisation progressive d'une solution acide de vo**(2+) par une base forte, entraine la formation successive des especes : vooh**(+), (vooh)::(2)**(2+) vo(oh)::(2), v::(4)o::(9)h**(-), v::(4)o::(9)h**(-), v::(4)o::(9)**(2-), vo(oh)::(3)**(-) et des ions polycondenses en milieu fortement basique et tres concentre en v(iv). Quand l'alcalinisation est realisee par hco::(3)**(-) ou co::(3)**(2-), il y a formation de complexes carbonato

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9

Brandt, Marcus. "Untersuchungen zur Oxygenierung organischer Substrate durch Oxo-Verbindungen der Elemente Vanadium und Mangan." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2007. http://dx.doi.org/10.18452/15646.

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Die vorliegende Arbeit beschäftigt sich mit der Oxygenierung von ungesättigten Kohlenwasserstoffen durch Übergansmetalle und katalytischer Oxidation von Olefinen und Aliphaten. Sie ist in die folgenden drei Teile gegliedert: 1. Matrixisolationsstudien zum System MnO3Cl/Allen: Das System Permanganylchlorid/Allen wurde in einer Argonmatrix durch Photolyse (546 nm) zu Reaktion gebracht. Die entstandenen Komplexe (O=)2MnCl(O=CCH2CH2) 37R und (O=)2MnCl(H2COCCH2) 38R wurden mit Hilfe der IR-Spektroskopie, Isotopenmarkierungs-Experimenten (18O, D) und DFT-Rechnungen (B3LYP/LANL2DZ) zweifelsfrei ide

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10

Walmsley, Ryan Steven. "An investigation into the antidiabetic and catalytic properties of oxovanadium(IV) complexes." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1004978.

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In part 1 of this thesis, the antidiabetic activity of a series of novel oxovanadium(IV) complexes was investigated. A range of bidentate N,O-donor ligands, which partially mimic naturally occurring bioligands, were prepared and reacted with the vanadyl ion to form the corresponding bis-coordinated complexes. Initially, 2-(2ˊ-hydroxyphenyl)-1R-imidazoline (where R = H, ethyl and ethanol) ligands were prepared. The aqueous pH-metric chemical speciation was investigated using glass electrode potentiometry which allowed for the determination of protonation and stability constants of the ligands a

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11

Gwatinetsa, Demand. "Distribution of iron-titanium oxides in the vanadiferous main magnetite seam of the upper zone : Northern limb, Bushveld complex." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013281.

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The main magnetite seam of the Upper Zone of the Rustenburg Layered Suite (SACS, 1980) on the Bushveld Complex is known to host the world‘s largest vanadium bearing titaniferous iron ores. The vanadiferous titanomagnetites, contain vanadium in sufficient concentrations (1.2 - 2.2 per cent V₂O₅) to be considered as resources and vanadium has been mined historically by a number of companies among them Anglo-American, Highveld Steel and Vanadium and VanMag Resources as well as currently by Evraz Highveld Steel and Vanadium Limited of South Africa. The titanomagnetites contain iron ore in the form

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12

Bai, Guangcai. "New methods for the syntheses of amido, imido, nitrido and dinitrogen metal complexes and organometallic hydrides and oxides." Doctoral thesis, [S.l.] : [s.n.], 2001. http://webdoc.sub.gwdg.de/diss/2002/bai/bai.pdf.

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13

Mirjana, Radanović. "Kompleksi nekih prelaznih metala sa Šifovim bazama aminogvanidina." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2015. https://www.cris.uns.ac.rs/record.jsf?recordId=95548&source=NDLTD&language=en.

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   U ovoj doktorskoj disertaciji opisane su sinteze novih kompleksa prelaznih metala sa piridoksiliden-  (PLAG), odnosno saliciliden-aminogvanidinom (SALAG). Dobijenikompleksi su okarakterisani elementalnom analizom, IR spektrima, konduktometrijskim i magnetnim merenjima, a većina i rendgenskomstrukturnom analizom. Osim toga, dobijene su i nove forme ovih &Scaron;ifovih baza, i to u vidu monokristala, čime su omogućena ispitivanja njihovih  molekulskih i kristalnih struktura, kao i uporedna analiza sa koordinovanim ligandima.    Sa PLAG je sintetisano 7 novi 

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14

Mougenot, Pierre. "Etude theorique ab initio scf et ci de complexes organometalliques binucleaires." Université Louis Pasteur (Strasbourg) (1971-2008), 1988. http://www.theses.fr/1988STR13025.

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Analyse approfondie du spectre photoelectronique se(fe(c::(5)h::(5)))::(2)(no)::(2). Etude critique des resultats experimentaux anterieurs concernant le diamagnetisme suppose se(co(c::(5)h::(5)))::(2)(no)::(2). Bon accord avec l'experience dans l'etude theorique de l'etat fondamental du cation dirhodium tetraacetate dihydrate. Etude sur la nature de l'interaction metal-metal dans (v(c::(5)h::(5)))::(2) (c::(8)h::(8))

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15

Tsai, Du Wei, and 蔡篤慰. "Three Coordinate Vanadium Complex and Its Imido Derivatives." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/84872228971054481884.

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碩士<br>國立清華大學<br>化學系<br>93<br>We have developed two new amino ligands [N,N’-cyclohexyl –(2,6-diisopropylphenyl) amino Lithium] and [N,N’-cyclohexyl –(2,4,6-trimethylphenyl) amino Lithium] reacting with VCl3(thf)3 to get two masked three coordinate complex: Complex 1 [VCl(THF)(N(Cy)dipp)2] and Complex 2 [VCl (THF)(N(Cy)dipp)2].To this bulkyl Complex 1,treat with N2C(H)TMS or N3R (R=Mes,TMS),we can get three organo imido vanadium complex product Complex 3 [(TMS-C(H)N2)VCl(THF)(N(Cy) dipp)2], Complex 4 [(Mes-N3)VCl(THF)(N(Cy)dipp)2] ,and Complex 5 [(TMS-N)VCl(THF)(N(Cy)dipp)2].We also treat a n-

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16

Salam, Md Abdus. "Studies in vanadium chemistry / by Md. Abdus Salam." Thesis, 1986. http://hdl.handle.net/2440/20403.

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17

Chang-Ying, Chu, and 朱常瑩. "Chiral Vanadium Complex Catalyzed the C-C Bond Formation Reaction." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/5m4u75.

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博士<br>國立清華大學<br>化學系<br>93<br>A series of chiral vanadium complexes were prepared with amino acid and salicylaldehyde. These chiral complexes have been utilized in the studies of asymmetric coupling of 2-naphthols, chiral cyanohydrins and chiral aminonitriles syntheses. In asymmetric coupling of 2-naphthols, addition of trimethylsilyl chloride was necessary to promote the reaction rate when complex 13 was the catalyst. However, when using complex 19b as the catalyst to catalyze the enantioselective coupling of 2-naphthols, the BINOL products were obtained with up to 75% ee without additive.

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18

Chen, Yung-Chun, and 陳永君. "Chemical Vapor Deposition of Vanadium Carbonitride Thin Films from Alkylimidovanadium Complex." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/64528452863768281414.

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碩士<br>國立交通大學<br>應用化學系<br>87<br>The imido complexes tBuNVCl3 and tBuNV(NEtMe)3 were successfully synthesized. NMR spectroscopy, mass spectroscopy and elemental analysis characterized these complexes. tBuNV(NEtMe)3 was used as a single-source precursor to deposit thin films on silicon substrates by low-pressure chemical vapor deposition. Deposition was carried out at temperature 773K~923K in a cold-wall reactor, while the precursor was vaporized at 323K. XRD analysis indicated that films exhibited polycrystalline structures. AFM studies indicated the root-mean square of roughness were

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19

Wheeler, Dale E. "The chemistry of para-tolylimidovanadium V trichloride: synthesis and characterization of dialkyldithiocarbamate and related derivatives and of bis(organophosphine)vanadium IV complexes." 1986. http://hdl.handle.net/2097/22175.

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20

Abreu, Elsa. "Electronic and structural dynamics of vanadates and nickelates: effect of temperature, strain and photoexcitation." Thesis, 2014. https://hdl.handle.net/2144/15110.

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The scientific relevance and potential for technological applications of complex materials have made them the focus of active investigation in order to fully charac- terize the competition and interactions between their electronic, structural, orbital, and spin degrees of freedom. Optical and terahertz (THz) spectroscopy provide ac- cess to electronic and low frequency quasiparticle responses, and therefore play a key role in understanding the fundamental mechanisms which dictate the macroscopic properties of complex materials. Time-resolved experiments, in turn, have the po- tential to disent

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21

Wen, Shung-Shien, та 溫學賢. "(一) vanadium(IV) complex mediated in catalyze asymmetric Mukaiyama aldol addition reaction (二)Study of C2 symmetric 2,6-dioxabicycle[3,3,0]octane as chiral templet". Thesis, 1999. http://ndltd.ncl.edu.tw/handle/04931318409431181780.

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碩士<br>國立臺灣師範大學<br>化學研究所<br>87<br>Condensation of vanadyl sulfate with 2,2-biphenol in the presence of N-containing ligands provides oxovanadium complexes which serve as efficient catalysts in Mukaiyama aldol reactions to afford aldol products in 78-99% yields with diastereoselectivities of up to 91/9 (anti/syn)

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22

Wu, Pei-Fang, and 吳佩芳. "1. Reactivity Studies of Quintuply-Bonded Dichromium Complex with Amidinates, Alkynes, and Nitric Oxide. 2. Synthesis of Low-Coordinated Zirconium, Vanadium, and Manganese Complexes." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/05221213820174851116.

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23

Kuwata, Shigemasa [Verfasser]. "Transition metal complexes of 3,7-diazabicyclo[3.3.1]nonane derivatives : complex stabilities and oxidation reactivity of cobalt (II) and vanadium (IV) / vorgelegt von Shigemasa Kuwata." 2005. http://d-nb.info/974319856/34.

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