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Dissertations / Theses on the topic 'Nitroso groups'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Richter-Addo, George Bannerman. "Synthetic utilization of the redox properties of some group 6 organometallic nitrosyl complexes." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/29174.

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The redox behavior of a series of organometallic complexes containing Cp'M(NO) groups (Cp' = ƞ⁵-C₅H₅(Cp) or ƞ⁵-C₅Me₅(Cp*) ; M = Mo or W) has been investigated both by cyclic voltammetry and by chemical means. The neutral 16-electron Cp'Mo(N0)X₂ compounds (X = CL, Br or I) undergo a single, essentially reversible, one-electron reduction in CH₂CL₂/O.1M [n-Bu₄N]PF₆ at relatively low potentials (<-0.1 V vs SCE). The electrochemically observed reductions can be effected on a preparative scale by employing CP₂C0 as the chemical reductant. The isolable 17-electron [Cp'Mo (NO)X₂]•⁻ radical anions are

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2

Sharp, William Brett. "Synthesis and ligand reactivity of group 6 organometallic nitrosyl complexes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ61173.pdf.

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3

Zhou, Yang. "DEVELOPMENT OF PHOTOACTIVATABLE NITROXYL (HNO) DONOR MOLECULES USING PHOTOLABILE PROTECTING GROUPS." Kent State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=kent1501350106636151.

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4

Scheibel, Markus. "Metal-Nitrogen Multiple Bonds with Square-Planar Group 9 Transition Metal PNP Pincer Complexes." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2014. http://hdl.handle.net/11858/00-1735-0000-0023-9944-4.

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5

Formenti, D. "REDUCTIVE TRANSFORMATIONS OF THE NITRO GROUP: FROM HOMOGENEOUS TO HETEROGENEOUS CATALYSIS." Doctoral thesis, Università degli Studi di Milano, 2017. http://hdl.handle.net/2434/479447.

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This thesis focuses its attention into two different aspects of catalysis. In the first part, transition-metal complexes were used as homogeneous catalysts for the preparation nitrogen-containing heterocycles (especially indoles) using liquid sources of carbon monoxide. In the second part, in collaboration with Prof. Matthias Beller (Leibniz Institute for Catalysis-LIKAT, Rostock), doped-carbon heterogeneous non-noble metal catalysts were employed as catalytic materials in the hydrogenation of nitroaromatics. In both cases, nitro compounds were used as valuable starting materials corroborating

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6

Peerless, B. "Synthesis, characterisation and reactivity of low-valent and hypercoordinate azido, triazenido and nitrato complexes of Group 14 and Group 15 elements." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/19019/.

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7

Kidwell, Andy R. "Factors influencing the metathesis of group VI transition metal complexes containing Nitrido and Alkylidyne Ligands." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1413370830.

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8

Hartdegen, Vera [Verfasser], and Thomas M. [Akademischer Betreuer] Klapötke. "Energetic polymers and plasticizers based on organic azides, nitro groups and tetrazoles : synthesis and characterization / Vera Hartdegen. Betreuer: Thomas M. Klapötke." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2016. http://d-nb.info/1105374033/34.

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9

Dursun, Hayrettin. "Determination Of The Postexplosion Residues Of Nitro Group Containing Explosives In Soil With Gc-ms And Gc-tea." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/2/12609014/index.pdf.

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There is an increase in bombing assaults in recent years in our country. Determining the explosive material used in these cases by the quick and correct analysis of the evidence obtained after the explosions, is an important starting point for the investigations which are done to reach the perpetrators. The forensic chemistry investigations have to be correct, exact and rapid in order to reach the right criminal. In this study, the Gas Chromatography-Mass Spectrometry (GC-MS) and Gas Chromatography-Thermal Energy Analyser (GC-TEA) methods which are being used for the determination of the explo

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10

El, Berjawi Rayane. "Construction and characterizations of new perylenediimide based molecular assemblies derived from nitro or amino bay-substituted derivatives." Thesis, Angers, 2019. http://www.theses.fr/2019ANGE0062.

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Les dérivés de pérylènediimide (PDI) font partie des accepteurs d’électrons les plus performants. Leur squelette rigide liéà un système π aromatique étendu, des propriétés optiques et électroniques remarquables et une bonne stabilité chimique et thermique en font de bons candidats comme matériaux de type-n avec de nombreuses applications, en particulier dans le domaine du photovoltaïque organique. Ce travail étudie la réactivité de dérivés pérylènediimides en position «bay» pour la synthèse et la caractérisation de nouveaux systèmes accepteurs originaux dont certains seront utilisés comme maté

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11

Orlandi, M. "DESIGN OF NEW CHIRAL BRØNSTED ACID CATALYSTS AND RATIONALIZATION OF H-BOND MEDIATED REACTIONS." Doctoral thesis, Università degli Studi di Milano, 2015. http://hdl.handle.net/2434/330245.

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The present thesis work is mainly focused on the study of the influence of the Brønsted acid-base interaction on different chemical systems. In the first chapter an overview of chiral Brønsted catalysis is provided. Due to the recent publication of exhaustive reviews,1-3 this introductory chapter assumes a conceptual role, avoiding the listing of the numerous published papers on the topic. Indeed, after an overview on the synthesis of the most common acidic catalysts, only the most significant examples of their application are reported, which represent the most known modes of activation involv

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12

Adas, Sonya K. "Part 1 Synthesis and Structural Investigation of Group 11 1,3-Dicyclohexyl-2,2-diethylguanidinate Complexes.Part 2 Synthesis and Kinetic Studies of N-Hydroxysulfonamide Nitrosyl Hydride Donor Molecules and their Reactions with Cob(III)alamin." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1460141806.

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13

Kim, Kilyoung. "Super Collision Energy Transfer Studies in Single Collisions Between Vibrationally Hot Benzene Like Molecules and Ground State Bath Molecules: The Effect of Physical Properties of Donor and Bath Molecules on Super Collision Energy Transfer." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/2497.

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This research is focused on single-collision energy transfer events between highly vibrationally excited benzene-like donor molecules and small bath molecules, CO2 and N2O in the vibrational ground level. Measuring how much energy is transferred from donors to bath molecules was accomplished by probing bath molecules scattered into specific-rotational states using a tunable Δv=0.0003 cm-1 solid state diode laser. The normalized energy transfer probability distribution function, P(E,E'), determined from energy gain information, is very useful in comparing collisional energy transfer efficiency

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14

Onchoke, Kefa Karimu. "Experimental and theoretical studies of nitrated polycyclic aromatic hydrocarbons." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1143220534.

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15

Keuter, Andreas. "Nitrogen response efficiency, nitrogen retention efficiency, and asymbiotic biological nitrogen fixation of a temperate permanent grassland site under different sward compositions and management practices." Doctoral thesis, Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2013. http://hdl.handle.net/11858/00-1735-0000-000D-FCBE-5.

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16

Habibian, Maryam. "Oxygen- and Nitrogen-Group Transfers in Aryl-Nitroso Iron Complexes." Thesis, 2011. http://spectrum.library.concordia.ca/7042/1/Habibian_MSc_S011.pdf.

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Transition metal complexes containing imido ligands (M=NR) are an important class of coordination compounds implicated in nitrogen-group-transfer reactions such as aziridination. The present thesis investigates the formation of iron-imido complexes via deoxygenation of iron-nitroso complexes that have a nitroso (RN=O) functionality tethered to their main ligand framework. This process is at the heart of important oxygen-atom- transfer (OAT) reactions such as the epoxidation of alkenes or the hydroxylation of organic substrates. For this purpose, the new pentadentate monoanionic ligand BPAEBNH

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17

Brouwer, Eric B. "Heterocumulene insertions with group 6 Diaryl Nitrosyl complexes." Thesis, 1992. http://hdl.handle.net/2429/2203.

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Treatment of the 16-electron complexes Cp*M(NO)(aryl)2 (Cp* = i5-05Me5; M =Mo, W; aryl = phenyl, o-tolyl, p-tolyl) with the heterocumulenes carbon dioxide, p-tolylisocyanate, and carbon disulfide leads to the i2-carboxylate-, i2-amide-, and i2-thiocarboxylate-containing complexes, respectively, in 10-50% yields. Treatment with a fourth member of the heterocumulene class, diphenylketene, does not result in an isolable inserted complex, although spectroscopic data suggest that insertion has taken place. Cp*M(NO)(aryl)2 complexes thus insert one heterocumulene molecule into a metal-aryl bond; the

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18

Chen, Chih-Wei, and 陳智偉. "Synthesis of Isostructural Metal-Organic Frameworks with Nitro Functional Groups." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/12292582280616526840.

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碩士<br>中原大學<br>化學研究所<br>104<br>In this study, four series of metal-organic frameworks (MOFs) were synthesized by the reactions of mixed organic ligands and trivalent metal (M3+) ions. The mixed organic ligands contain benzenedicarboxylic acid (H2BDC) and 2-nitroterephthalic acid (NO2-H2BDC) with various ratio of NO2-H2BDC/H2BDC by 0%, 10%, 30% and 50%. The presented chemical formula of four series are listed as follows: NO2-MIL68 (Al)……………………(1) NO2-MIL68 (Ga)……………………(2) NO2-MIL68 (In) ……………………(3) NO2-MIL68 (V) .……………………(4) These MOFs were fu

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19

Sharp, William Brett. "Synthesis and ligand reactivity of group 6 organometallic nitrosyl complexe." Thesis, 2001. http://hdl.handle.net/2429/13416.

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Reaction of Cp*WR₂(NO) (R = CH₂SiMe₃ , CH₂Ph) complexes with HBF₄ yields the nitrosyl-borane adduct species Cp*WR₂ (NOBF₃) via degradation of the tetrafluoroborate counterion. The similar materials, Cp*WR₂(NOB(C₆F₅)₃), can be prepared by the addition of perfluorophenylborane to the metallonitrosyl complex. The reaction of a protic acid containing a very weakly coordinating anion ([H(OEt₂)₂][B(3,5-(CF₃)C₆H₃)₄]) with the tungsten nitrosyl species yields the first complexes containing a terminal hydroxylimido ligand, [Cp*WR₂ (NOH)]⁺. These complexes have been characterised by single crystal X-ray

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20

Lundmark, Penelope J. "Synthesis, characterization and reactivity of Group 6 alkoxo nitrosyl complexes." Thesis, 1993. http://hdl.handle.net/2429/1832.

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Three new classes of alkoxo nitrosyl complexes of the type Cp*M(NO)(OR)X (Cp* =C5Me5; M = Mo, W; R = alkyl, aryl; X = CI, OR, alkyl), all of which have been fully characterized, are prepared by metathesis reactions. The molecular structures ofCp*W(NO)(OCMe3)2 and Cp*W(NO)(OCH2Ph)2 have been established by X-ray crystallographic analyses. While in general the above metathesis reactions are straightforward, two interesting bimetallic complexes, [Cp*W(N0)(CH2SiMe3)][Cp*W(C1)(0)]-(112-il:T12-NC(H)SiMe3) and [Cp*W(N0)(CH2SiMe3)C1][Cp*W(C1)(i2-N{0){H)CH2SiMe3)]-(1.t-N), are produced in attempts to p

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21

Chao, Chih-Yi, and 趙芷儀. "Syntheses of Group VIII Nitrosyl Complexes Supported by Bulky Thiolate and Group VI Carbene Complexes." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/72410728863304601768.

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22

Veltheer, John E. "Synthesis and characteristic chemistry of sixteen-electron group 6 hydrocarbyl-containing nitrosyl complexes." Thesis, 1993. http://hdl.handle.net/2429/2202.

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This thesis addresses the non-generality of the previous method used to prepare CpW(NO)(alkyl)2 complexes from their diiodide precursors. The three most significant problems inherent to the original synthetic method were: (a) the reagents being used (i.e. transition-metal dihalide, alkylating agent and solvent), (b) excessive hydrolysis during workup, and (c) thermal decomposition. This work presents a rationalization for, and utilization of, a new general methodology for the preparation of Cp'M(NO)R2 [Cp' = Cp (i5-05H5), Cp* (i5-05Me5); M = Mo, W; R = alkyl, aryl] complexes. Reactions of Cp*

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23

Wei, Kaiting, and 魏楷庭. "Iron Assisted Nitro Group Reduction in Inner-Carbon Nitro Substituted N-Confused Porphyrin and the Zinc Coordination of inner-carbon Nitro Substituted N-Confused Porphyrin." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/46680235154225137459.

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24

Masters, Bronwyn Leanne. "Nitrous oxide emissions from soil in mango and banana fields: effects of nitrogen rate, fertiliser type, and ground cover practices." Thesis, 2019. https://researchonline.jcu.edu.au/62335/1/JCU_62335_BronwynMasters_2019_Thesis.pdf.

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Globally, agricultural soils are the dominant source of the greenhouse gas, nitrous oxide (N₂O), and a growing body of evidence indicates that soils in tropical zones may emit disproportionately large amounts to the atmosphere. This is important as N₂O contributes approximately 6% of anthropogenically induced global warming and is also responsible for ozone depletion. These emissions primarily originate from microbial nitrification and denitrification processes in soil, which are driven by soil water content, temperature, available nitrogen (N), organic carbon (OC) and their interactions. This

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25

Kreye, Christine [Verfasser]. "Greenhouse gas emissions (methane and nitrous oxide) and water use in a water-saving ground cover rice production system (GCRPS) in North China, Beijing / vorgelegt von Christine Kreye." 2004. http://d-nb.info/975516833/34.

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26

Hsu, Jui-Ching, and 徐瑞靜. "(1)Synthesis of modified lithocholic acids: coumarin, nitro-2,1,3-benzoxadiazole and other functional groups as effective anticancer agents and biological probes.(2)Analogues of Malyngamide 1 and Isomalyngamide A as inhibitors of sialyltransferases: A." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/89679751678651977714.

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碩士<br>國立中央大學<br>化學研究所<br>96<br>Part I: Synthesis of modified lithocholic acids: coumarin, nitro-2,1,3-benzoxadiazole and other functional groups as effective anticancer agents and biological probes. Overexpression of sialyltransferase is a vital biological process, which plays a role in various physiological and pathological events, such as cell-cell adhesion, tumor cell metastasis and invasions. To increase the inhibitory potency of sialyltransferase, we prepared the coumarin, NBD (7-nitro-2,1,3-benzoxadiazole) and other functional derivatives of lithocholic acid based on our previous studie

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27

Kutniewska, Sylwia. "Fotokrystalograficzne badania reakcji izomeryzacji grupy nitrowej w wybranych kompleksach metali przejściowych." Doctoral thesis, 2021. https://depotuw.ceon.pl/handle/item/4018.

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Streszczenie Niniejsza rozprawa doktorska dotyczy projektowania i charakterystyki związków koordynacyjnych potencjalnie przełączalnych za pomocą światła lub temperatury w ciele stałym. W swojej pracy skupiłam się na analizie procesu izomeryzacji grupy nitrowej w kryształach serii nowych kompleksów niklu (II) oraz miedzi (II), który badałam głównie z wykorzystaniem technik spektroskopii w podczerwienie w ciele stałym oraz fotokrystalografii. Celem pracy doktorskiej było zaproponowanie i zsyntezowanie efektywnych układów fotoprzełączalnych. Część pierwsza rozprawy przedstawia główne osiągnięcia

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