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61.
A. N. Borisov A. V. Shchukarev G. A. Shagisultanova 《Russian Journal of Applied Chemistry》2009,82(7):1242-1250
Conducting polymeric form of the complex of Cu(II) with N,N′-bis(3-methoxysalicylidene)-1,3-propylenediamine was obtained by the electrochemical method. X-ray photoelectron spectroscopy
and electronic absorption spectroscopy were used to characterize the starting substances and their polymeric forms. The invariance
of the charge state of copper in the oxidation-reduction of the polymer based on the complex of Cu(II) with a Schiff base
was substantiated. 相似文献
62.
A. V. Borisov Zh. V. Matsulevich V. K. Osmanov G. N. Borisova 《Russian Chemical Bulletin》2013,62(4):1042-1043
A reaction of 2-pyridinetellurium trichloride with unsaturated hydrocarbons leads to [1,3]tellurazolo[3,2-a]pyridinium-4 derivatives — the products of polar cycloaddition of tellurium-containing electrophile at the multiple bond. 相似文献
63.
Yu. A. Borisov S. S. Kiselev 《Russian Journal of Physical Chemistry A, Focus on Chemistry》2016,90(9):1822-1827
The interaction between cyclodextrins (CyD), β-CyD, and γ-CyD, and the L- and D-optical isomers of several amino acids (Ala, Leu, His, Phe) are calculated using DFT. It is found that the L-forms of the investigated amino acids bond more strongly to CyD, due to the different numbers of hydrogen bonds that form. The structures of the resulting complexes are analyzed. 相似文献
64.
Yann K. Petit Christian Leypold Nika Mahne Elonore Mourad Lukas Schafzahl Christian Slugovc Sergey M. Borisov Stefan A. Freunberger 《Angewandte Chemie (International ed. in English)》2019,58(20):6535-6539
Singlet oxygen (1O2) causes a major fraction of the parasitic chemistry during the cycling of non‐aqueous alkali metal‐O2 batteries and also contributes to interfacial reactivity of transition‐metal oxide intercalation compounds. We introduce DABCOnium, the mono alkylated form of 1,4‐diazabicyclo[2.2.2]octane (DABCO), as an efficient 1O2 quencher with an unusually high oxidative stability of ca. 4.2 V vs. Li/Li+. Previous quenchers are strongly Lewis basic amines with too low oxidative stability. DABCOnium is an ionic liquid, non‐volatile, highly soluble in the electrolyte, stable against superoxide and peroxide, and compatible with lithium metal. The electrochemical stability covers the required range for metal–O2 batteries and greatly reduces 1O2 related parasitic chemistry as demonstrated for the Li–O2 cell. 相似文献
65.
N. S. Bredov E. Yu. Shporta Yanqing Liu V. V. Kireev R. S. Borisov M. V. Gorlov V. F. Posokhova V. P. Chuev 《Polymer Science Series B》2013,55(7-8):472-477
Methyl acrylate oligosilsesquioxanes based on γ-methacryloxypropyltrimethoxysilane and its mixtures with phenyltrimethoxysilane have been synthesized through acidohydrolytic polycondensation and studied via NMR spectroscopy and MALDI-TOF mass spectrometry. It is shown that the addition of the aforementioned oligosilsesquioxanes to a dental composition based on 2,2-bis[p-(3-metacryloyloxy-2-hydroxypropoxy)phenyl]propane and triethylene glycol dimethacrylate improves the mechanical characteristics of cured polymer composites. 相似文献
66.
Summary Thallium trichloride exchanges two of its halogen atoms only for a radical that possesses a trans-configuratlon in cis-trans compounds, or for a radical that experiences electrophilic attack by the hydrogen ion in the decomposition of RHgR' by hydrochloric acid. 相似文献
67.
68.
69.
A. V. Varlamov D. G. Grudinin A. I. Chernyshev A. N. Levov N. I. Golovtsov R. S. Borisov 《Chemistry of Heterocyclic Compounds》2001,37(3):346-352
4,5-Dihydro-5-methyl-3H-spiro[benz-2-azepine-3-cyclohexane] N-oxide reacted with cyanide ion and isopropyl magnesium bromide to give the corresponding 1-cyano- and 1-isopropyl-4,5-dihydro-5-methyl-3H-spiro[benz-2-azepine-3-cyclohexane], but reaction with phenyl magnesium bromide, benzyl magnesium chloride, and nitromethane gave cyclic hydroxylamines: 1-substituted N-hydroxy-1,2,4,5-tetrahydro-5-methyl-3H-spiro[benz-2-azepine-3-cyclohexanes] which were oxidized to the corresponding nitrones. 相似文献
70.
Quantum yields () for the generation of singlet oxygen sensitized by Pd(II) complexes of water-soluble porphyrins: meso-tetrakis(4-N-methylpyridyl)porphine [PdTMPyP]4+ ( = 0.9), meso-tetrakis(4-N,N,N-trimethylaminophenyl)porphine [PdTTMAPP]4+ ( = 0.8), meso-tetrakis(4-carboxyphenyl)porphine [PdTCPP]4– ( = 0.7), and meso-tetrakis(4-sulfonatophenyl)porphine [PdTSPP]4– ( = 0.5) were determined using a chemical method. It was found that the dimerization and aggregation of metalloporphyrins greatly influence the value. The quantum yields evaluated for the formation of singlet oxygen sensitized by metalloporphyrin monomeric and dimeric forms are , M 0.9 and , D 0.2, respectively, and do not depend on the porphyrin nature. 相似文献