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Kinetic and Thermodynamic Properties of the Aminoxyl (NH2O•) Radical
The Journal of Physical Chemistry A, 2005The product of one-electron oxidation of (or H-atom abstraction from) hydroxylamine is the H2NO* radical. H2NO* is a weak acid and deprotonates to form HNO-*; the pKa(H2NO*) value is 12.6+/-0.3. Irrespective of the protonation state, the second-order recombination of the aminoxyl radical yields N2 as the sole nitrogen-containing product.
Johan, Lind, Gábor, Merényi
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Aminoxyl (Nitroxyl) Radicals in the Early Decomposition of the Nitramine RDX
The Journal of Physical Chemistry A, 2013The explosive nitramine RDX (1,3,5-trinitrohexahydro-s-triazine) is thought to decompose largely by homolytic N-N bond cleavage, among other possible initiation reactions. Density-functional theory (DFT) calculations indicate that the resulting secondary aminyl (R2N·) radical can abstract an oxygen atom from NO2 or from a neighboring nitramine molecule,
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DFT studies of ESR parameters for NO centered radicals, N‐alkoxyaminyl and aminoxyl radicals
Magnetic Resonance in Chemistry, 2011AbstractTheoretical calculations of ESR parameters for aminoxyl radicals have been widely studied using the density functional theory (DFT) calculations. However, the isomer N‐alkoxyaminyl radicals have been limitedly studied. With the use of experimental data for 46 N‐alkoxyaminyl and 38 aminoxyl radicals, the isotropic 14N hyperfine coupling ...
Akio, Tanaka, Kouichi, Nakashima
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Intramolecular charge effects in the electrochemical oxidation of aminoxyl radicals
New Journal of Chemistry, 2006The redox potentials of a series of aromatic nitroxides derived from tert-butyl phenyl nitroxide are determined by cyclic voltammetry in non-aqueous solution. It is shown that the first oxidation potential as well as the reduction potential strongly depend on the electron donating and withdrawing substituents of the compounds.
Lucien Marx, Bernd Schöllhorn
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Some Recent Developments in the Aminoxyl Radical Trapping Technique
1994The radical trapping technique employing the stable aminoxyl (nitroxide) 1 as a radical scavenger, has been used to study (a) the initiation stage in the mechanism of formation of alternating copolymers (b) the reaction of diphenylphosphinoyl and dimethyl phosphoryl radicals with monomers (c) the unusual polymerisation characteristics of maleates and ...
S. E. Bottle +6 more
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Generation and characterisation of a stable nickel(
A stable nickel(ii)-aminoxyl radical complex was generated by the reaction of a nickel(ii) complex and m-chloroperoxybenzoic acid.
Arnaud Parrot +5 more
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Reactivity of Sulfur-Centered Radicals with Indolinonic and Quinolinic Aminoxyls
European Journal of Organic Chemistry, 1999Indolinonic, phenylimino-indolinonic and quinolinic aromatic aminoxyls readily react with sulfur-centered radicals, generated upon reaction with p-methylthiophenol at room temperature. The main product is the deoxygenated derivative i.e. the corresponding amine.
Elisabetta Damiani +4 more
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Formation of aminoxyl radicals in the reaction between penicillins and hydrogen peroxide
Free Radical Biology and Medicine, 1992Aminoxyl radicals are formed in high yield in the reaction between penicillins and hydrogen peroxide in water solutions in the pH range between 7 and 8. The nine-line EPR spectrum, 3 x 3 (1:2:1), indicated an interaction of the unpaired electron with one 14N nucleus (aN = 1.44 mT) and two equivalent hydrogen nuclei (aH = 2.00 mT). The reaction involves
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A Critical Evaluation of the Present Status of Toxicity of Aminoxyl Radicals
Journal of Pharmaceutical Sciences, 1992The literature on the toxicity of aminoxyl radicals was critically reviewed. It was concluded that, in general, the aminoxyl radicals possess a very low toxicity and are not mutagenic. In support of this contention, several aminoxyl radicals were evaluated in vitro.
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Integrative oncology: Addressing the global challenges of cancer prevention and treatment
Ca-A Cancer Journal for Clinicians, 2022Jun J Mao,, Msce +2 more
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