Relevant bibliographies by topics / Phenoxyl-radicals

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Phenoxyl-radicals'

Author: Grafiati
Published: 4 June 2021
Last updated: 22 June 2024

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Journal articles on the topic "Phenoxyl-radicals"

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Manderville, Richard A. "Ambident reactivity of phenoxyl radicals in DNA adduction." Canadian Journal of Chemistry 83, no. 9 (2005): 1261–67. http://dx.doi.org/10.1139/v05-121.

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Phenols are a class of compounds that can create beneficial effects in vivo owing to their antioxidant properties (through radical scavenging), or they can display hazardous effects owing to their pro-oxidant properties. The mechanism by which phenols act as pro-oxidants stems from their one-electron oxidation into reactive phenoxyl radicals by peroxidase enzymes or redox-active transition metals. In the presence of thiols and molecular oxygen, these reactive phenoxyl radicals stimulate an oxidative stress and cause oxidative damage to biomolecules, which is proposed to contribute to the occur
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Shukla, D., N. P. Schepp, N. Mathivanan, and L. J. Johnston. "Generation and spectroscopic and kinetic characterization of methoxy-substituted phenoxyl radicals in solution and on paper." Canadian Journal of Chemistry 75, no. 12 (1997): 1820–29. http://dx.doi.org/10.1139/v97-615.

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A number of methoxy-substituted phenoxyl radicals have been generated and characterized by laser flash photolysis techniques in solution and on paper. The radicals have been produced by three routes in solution: hydrogen abstraction from phenols by tert-butoxyl radical, photolysis of α-aryloxyacetophenones, and direct excitation of phenols. Most of the phenoxyl radicals studied have a characteristic absorption near 400 nm; the ortho-substituted radicals have an additional broad absorption in the visible in non-hydroxylic solvents (e.g., 650 nm for 2-methoxyphenoxyl radical). The relative inten
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Aotake, Tatsuya, Mitsuharu Suzuki, Naoki Aratani, et al. "Correction: 9,9′-Anthryl-anthroxyl radicals: strategic stabilization of highly reactive phenoxyl radicals." Chemical Communications 51, no. 24 (2015): 5124. http://dx.doi.org/10.1039/c5cc90112j.

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de Jonge, Cornelis R. H. I. "Reactions with Stable Phenoxyl Radicals." Liebigs Annalen der Chemie 1986, no. 2 (1986): 299–304. http://dx.doi.org/10.1002/jlac.198619860210.

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Teng, Zhuochao, Xianwei Zhao, Hetong Wang, et al. "Mechanism and kinetic properties for the complete series reactions of chloro(thio)phenols with O(3P) under high temperature conditions." RSC Advances 11, no. 29 (2021): 17683–93. http://dx.doi.org/10.1039/d1ra02407h.

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Under pyrolysis or combustion conditions, chlorophenols (CPs) and chlorothiophenols (CTPs) can readily form chlorophenoxy radicals (CPRs) and chlorotriophenoxy radicals (CTPRs) by abandoning the phenoxyl-H and sulfydryl-H, respectively.
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Wojnárovits, L., A. Kovács, and G. Földiák. "Spectral characteristics of monosubstituted phenoxyl radicals." Radiation Physics and Chemistry 50, no. 4 (1997): 377–79. http://dx.doi.org/10.1016/s0969-806x(97)00053-4.

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Thomas, Fabrice. "ChemInform Abstract: Metal-Coordinated Phenoxyl Radicals." ChemInform 42, no. 41 (2011): no. http://dx.doi.org/10.1002/chin.201141217.

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Dol, Cyrielle, Guillaume Gerbaud, Bruno Guigliarelli, Emily Bloch, Stéphane Gastaldi, and Eric Besson. "Modulating lifetimes and relaxation times of phenoxyl radicals through their incorporation into different hybrid nanostructures." Physical Chemistry Chemical Physics 21, no. 29 (2019): 16337–44. http://dx.doi.org/10.1039/c9cp03052b.

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Kasumov, Veli T., Bünyamin Karabulut, Ibrahim Kartal, and Fevzi Köksal. "Synthesis And Spectroscopic Studies Of New Bis(N-1-hydroxy-2,6-Di-Fe/Tf-Butylphenyl- Salicylideneaminato)Cobalt(Ii) Complexes And Their Oxidation With PbO2." Zeitschrift für Naturforschung B 56, no. 8 (2001): 778–86. http://dx.doi.org/10.1515/znb-2001-0811.

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A series of new bis[N-(1-OH-2,6-di-tert-butylphenyl)salicylaldiminato]cobalt(II) complexes possessing one or two HO- and CH3O - substituents on the salicylaldehyde moiety were prepared, and their spectroscopic properties as well as their oxidation with PbO2 were examined. ESR data indicate that oxidation of the complexes produces stable phenoxyl radicals. All phenoxyl radicals have similar g-values and hyperfine coupling constants, which are influenced very little by the substituents and by coordination. The experimental observations indicate that the Co(L·x)2 radicals are ligand-localized and
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Molloy, J. K., O. Jarjayes, C. Philouze, L. Fedele, D. Imbert, and F. Thomas. "A redox active switch for lanthanide luminescence in phenolate complexes." Chemical Communications 53, no. 3 (2017): 605–8. http://dx.doi.org/10.1039/c6cc07942c.

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Dissertations / Theses on the topic "Phenoxyl-radicals"

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Parker, David John. "Hydrogen bonded phenoxyl radicals and their complexes." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423310.

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Al-Malki, Fatima Khamis S. "Model studies of reductase enzyme inhibition using hindered phenoxyl radicals." Thesis, University of Sussex, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.550838.

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The reactions of a number of unsaturated compounds with tri-t-butylphenoxyl, pentabromophenoxyl and pentachlorophenoxyl radicals (models for the tyrosyl phenoxyl centreso f reductasee nzymes)h ave been investigatedt o assessth e suitability of different unsaturated groups as potential inhibitors for the enzyme. To do this, we studied kinetically (by ESR and UVNIS) the reactions of the phenoxyl radicals with a number of unsaturated compounds to obtain rates of reaction for loss of the phenoxyl radicals. Compounds which have conjugated or cumulated unsaturation are more reactive than simple alke
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Nairn, Alison Kathleen. "Metal bound radicals in proteins : a biomimetic approach." Thesis, University of York, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341097.

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Holubcová, Petra. "Radikálové produkty oxidace vybraných typů fenolů a aminů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2008. http://www.nusl.cz/ntk/nusl-216416.

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In the framework of diploma thesis, radical products of the oxidation of selected para­methyl phenols and secondary amines were investigated. In the case of para-methyl phenols using EPR spectroscopy the reaction mechanism was proved, where the abstraction of hydrogen from para-methyl group is involved. In this way benzyl radicals are formed, which can be identified by spin-trapping technique using nitroso compounds. The adducts formed undergo the consecutive rearrangement, which leads to the formation of the corresponding nitrones. In addition to phenols, the radical products of the oxidation
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Šafaříková, Lenka. "Radikálové meziprodukty generované štěpením X-H vazeb v různých typech H-donorů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2010. http://www.nusl.cz/ntk/nusl-216571.

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In the frame of submitted diploma thesis dealing with the radical products of the decomposition of different X-H bonds, primary attention was focused on the detection of radical intermediates from decomposed N-H bonds. This access was realized with secondary amines of N-alkylaniline group, as well as with other structures R1-NH-R2. The aim was to confirm the formation of unstable aminyl radicals R1-N•-R2, which is possible by using spin-trapping method. In the series of experiments, where the compounds of lead and cobalt, as well as stable radical DPPH were applied as initiators of the decompo
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Marešová, Renata. "EPR studium radikálových meziproduktů H-transferu z kyslíkatých, uhlíkatých a dusíkatých donorů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2009. http://www.nusl.cz/ntk/nusl-233296.

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Within the PhD. thesis the problems of H-transfer from selected types of phenols, aromatic secondary amines and compounds with acidic CH bond were investigated. This process was initiated by the action of redox agents, mostly PbO2, in nonpolar solvents. The abstraction of hydrogen atom results in the formation of radical intermediates, which were detected by EPR spectroscopy. Because in most cases, highly unstable radicals were produced, it was neccessary to apply the technique of indirect detection, so called spin trapping. This method enables to interpret the character of generated radicals
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Dabbousy, Ranin. "Mécanisme de la lignification : isolement et caractérisation des enzymes, transformation des substrats in vitro, et caracterisation de la lignine obtenue." Electronic Thesis or Diss., Université de Lille (2022-....), 2022. https://pepite-depot.univ-lille.fr/ToutIDP/EDSMRE/2022/2022ULILR061.pdf.

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La lignine est le deuxième biopolymère sur terre mais le mécanisme de sa formation et ses structures sont encore mal compris. Dans ce travail, la lignine et la lignification ont été étudiées selon trois stratégies. La première stratégie a été développée pour étudier les liaisons inter-unités de la lignine formées par l'action d'enzymes immobilisées qui permettent de mimer l'environnement hydrophobe de la synthèse de la lignine en utilisant un composé monomère modèle de la lignine. La deuxième stratégie s'est concentrée sur l'identification des peroxydases spécifiques de la lignine, grâce à l'i
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Millen, Andrea. "Properties of C-linked C8-phenoxyl guanine DNA adducts." Thesis, Lethbridge, Alta. : University of Lethbridge, Dept. of Chemistry and Biochemistry, c2011, 2011. http://hdl.handle.net/10133/3312.

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DNA damage is important to understand since it has the potential to lead to disease if unrepaired. In particular, bulky C8 guanine adducts (addition products) are known to induce a variety of mutations due to their conformational flexibility. C-linked C8-phenoxyl-deoxyguanosine adducts (PhOH-dG) have been poorly understood despite their potential for genotoxicity. This thesis systematically develops a computational model to predict the conformational and base-pairing preferences of PhOH-dG by gradually increasing the size of the system. The structure of PhOH-dG in DNA is determined, where the
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Books on the topic "Phenoxyl-radicals"

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Fischer, H., ed. Alkoxyl, Carbonyloxyl, Phenoxyl, and Related Radicals. Springer-Verlag, 1997. http://dx.doi.org/10.1007/b47745.

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Howard, J. A., and K. Lusztyk. Alkoxyl, Carbonyloxyl, Phenoxyl, and Related Radicals (Numerical Data & Functional Relationships in Science & Technology). Springer, 1997.

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Book chapters on the topic "Phenoxyl-radicals"

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Thomas, Fabrice. "Metal Coordinated Phenoxyl Radicals." In Stable Radicals. John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470666975.ch8.

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Stein, Stephen E., and Mahendra M. Suryan. "Homolysis of Substituted Anisoles: Substituent Effects on Phenoxyl Radical Stabilities." In Oxygen Radicals in Biology and Medicine. Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5568-7_15.

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Zhang, J., D. Liu, and Y. Chen. "1.9 Oxygen-Centered Radicals." In Free Radicals: Fundamentals and Applications in Organic Synthesis 1. Georg Thieme Verlag KG, 2021. http://dx.doi.org/10.1055/sos-sd-234-00177.

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AbstractOxygen-centered radicals (R1O•) are reactive intermediates in organic synthesis, with versatile synthetic utilities in processes such as hydrogen-atom transfer (HAT), β-fragmentation, radical addition to unsaturated carbon–carbon bonds, and rearrangement reactions. In this review, we focus on recent advances in the generation and transformation of oxygen-centered radicals, including (alkyl-, α-oxo-, aryl-) carboxyl, alkoxyl, aminoxyl, phenoxyl, and vinyloxyl radicals, and compare the reactivity of oxygen-centered radicals under traditional reaction conditions with their reactivity under visible-light-induced reaction conditions.
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Scarso, A., and G. Strukul. "Reaction of Cobalt(III) Superoxo Complexes with Phenoxyl Radicals." In Peroxides, Inorganic Esters (RO-X, X=Hal, S, Se, Te, N). Georg Thieme Verlag KG, 2009. http://dx.doi.org/10.1055/sos-sd-038-00216.

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"THE REACTIVITY OF TERPENEPHENOLS AND THEIR PHENOXYL RADICALS IN REACTIONS OF OXIDATION." In Chemistry and Physics of Complex Materials. Apple Academic Press, 2013. http://dx.doi.org/10.1201/b16302-17.

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Conference papers on the topic "Phenoxyl-radicals"

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Westerfield, J., Kyle Crabtree, Timothy Zwier, and Blair Welsh. "IMPROVEMENTS TO NEW PROGRAM FOR SPIN-TORSION-ROTATION & THE METHYL-PHENOXYL RADICALS." In 2022 International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2022. http://dx.doi.org/10.15278/isms.2022.tn04.

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