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 Найдено в других БД:Труды Института высокотемпературной электрохимии УрО РАН (1)Труды сотрудников Института теплофизики УрО РАН (4)Труды сотрудников Института химии твердого тела УрО РАН (15)Публикации Чарушина В.Н. (2)
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Общее количество найденных документов : 16
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 1-10    11-16 
1.
Инвентарный номер: нет.
   
   M 81

   
    Mono- and diadducts and bicyclic adducts in reactions of 2,3-dicyano-1-ethylpyrazinium cation with C- and O-nucleophiles [Electronic resource] / P. A. Slepukhin, G. L. Rusinov, V. N. Charushin, V. I. Filyakova, N. S. Karpenko, D. B. Krivolapov, I. A. Litvinov // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - P1272-1278
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Products of diaddition of O- and C-nucleophiles to the 2,3-dicyano-1-ethylpyrazinium cation were isolated for the first time. The tandem AN—AN reactions of 2,3-dicyano-1-ethylpyrazinium tetrafluoroborate with 1,3-diketone enolates or keto esters afforded tetrahydrofuro[2,3-b]pyrazine derivatives, whereas cyclization with ethylene glycol gave tetrahydro-1,4-dioxino[2,3-b]pyrazine. Crystallographic data on the three-dimensional structures of these compounds were reported

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1272.pdf
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2.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of hydrogels based on silicon polyolates [Electronic resource] / T. G. Khonina, E. V. Shadrina, A. A. Boyko, O. N. Chupakhin, L. P. Larionov, A. A. Volkov, V. D. Burda // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2010. - Vol. 59, № 1. - P75-80
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ORGANOSILICON COMPOUNDS -- DIOLS -- GLYCEROL
Аннотация: Biologically active hydrogels based on silicon polyolates, which are the products of reactions of tetraethoxy- and methyltriethoxysilanes with polyols (1,2-propanediol, glycerol, polyethylene glycol), were synthesized. The optimal conditions for hydrogel formation and hydrogel composition were determined. The acute toxicity and transcutaneous and wound-healing activities of the synthesized compounds were studied. The experimental results show that hydrogels based on silicon polyolates can be recommended for further preclinical and clinical tests with the purpose of their use in medical practice both as self-sufficient agents and ointment bases of pharmaceutical compositions with wound-healing, regenerative, and transcutaneous action

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2010, 59 (1), 75-80.pdf
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3.
Инвентарный номер: нет.
   
   R 30

   
    Reaction of polychlorinated biphenyls and benzenes with neopentyl glycol / M. G. Pervova, T. I. Gorbunova, M. A. Samorukova, V. I. Saloutin, O. N. Chupakhin // Russian Journal of General Chemistry. - 2012. - Vol.82, №3. - С. 428-435
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1,2,4-TRICHLOROBENZENE -- BIPHENYLS -- SOVOL
Аннотация: The reactions of a mixture of 1,2,3- and 1,2,4-trichlorobenzene and polychlorinated biphenyls congeners of the industrial mixture Sovol with neopentyl glycol in the presence of alkali in DMSO medium was studied. In the conditions of nucleophilic substitution the aromatic compounds are converted completely. Using the method of gas chromatography with flame ionization and mass spectrometric detectors the structure of all synthesized compounds was studied and the following series of increasing reactivity of the polychlorinated biphenyls congeners was revealed: tetra- < penta- < hexachlorobiphenyls. The process can serve as a preliminary step of the preparation of industrial waste for the subsequent biological degradation

\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 82, N3, p. 428-435.pdf
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4.
Инвентарный номер: нет.
   
   I-55

   
    Imidazole-containing chitosan derivative: a new synthetic approach and sorption properties [Electronic resource] / A. V. Pestov, S. YU. Bratskaya, Yu. A. Azarova, Yu. G. Yatluk // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2012. - Vol.61, №10. - С. 1959-1964. - Bibliogr. : p. 1963-1964 (33 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHITOSAN -- SORBENT -- GOLD(III)
Аннотация: A novel method for the synthesis of a hetaryl containing chelate amino polymer, namely, N (4(5) imidazolylmethyl)chitosan (IMC), with a degree of substitution up to 0.3 was pro posed. The "synthesis in gel" approach involves direct substitution of the hydroxyl group in 4(5) imidazolylmethanol. The structures of these polymers were confirmed by 1H NMR data. For sorption studies, IMC samples were crosslinked with epichlorohydrin and diglycidyl ethers of ethylene glycol and diethylene glycol. The degrees of swelling and sorption properties of the polymers largely depend on the crosslinking agent and the degree of crosslinking. The sorption capacities of IMC for AuIII, PtIV, and PdII ions are higher than those of the nonmodified polymer. The extraction of noble metal ions from chloride solutions becomes more selective with increasing degree of crosslinking. The sorption capacity of IMC for CoII and NiII ions is higher than those of chitosan and its known N heterocyclic derivatives

\\\\expert2\\NBO\\Russian Chemical Bulletin\\2012, 61 (10), 1959-1964.pdf
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5.
Инвентарный номер: нет.
   
   A 62

   
    Antifriction properties of fluorine-containing poly(ethylene glycol) esters / T. I. Gorbunova, D. N. Bazhin, A. Ya. Zapevalov, L. G. Korshunov, I. V. Beketov, V. I. Saloutin // Russian Journal of Applied Chemistry. - 2012. - Vol.85, №2. - С. 267-271
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ANTIFRICTION PROPERTIES -- FLUORINE-CONTAINING POLY(ETHYLENE GLYCOL) ESTERS -- EQUILIBRIUM MIXTURES
Аннотация: Equilibrium mixtures of fluorine-containing mono- and diesters based on poly(ethylene glycol) (M = 1000) were synthesized. The effect of these compounds on antifriction properties of industrial oil was studied

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2012, v. 85, N 2, p.267.pdf
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6.
Инвентарный номер: нет.
   
   A 10

   
    A new application of derivatives of polychlorobiphenyls and polyethylene glycols / T. I. Gorbunova, M. G. Pervova, E. B. Trushina, S. V. Pavlysko, A. Ya. Zapevalov, V. I. Saloutin // Russian Journal of Applied Chemistry. - 2012. - Vol.85, №10. - С. 1622-1626
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLOROBIPHENYLS -- POLYETHYLENE GLYCOLS -- SYNTHESIS
Аннотация: The reaction of congeners of Sovol technical mixture of polychlorobiphenyls with polyethylene glycols was studied. Mixtures of hydroxy and mono(polyethylene glycol)oxy derivatives were obtained. The mixtures synthesized, which are of low hazard, were used as additives to industrial oil to improve its tribological char

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2012, v. 85, N 10, p.1662.pdf
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7.
Инвентарный номер: нет.
   
   B 12

   
    Bacterial degradation of a mixture obtained through the chemical modification of polychlorinated biphenyls by polyethylene glycols / D. O. Egorova, T. I. Gorbunova, M. G. Pervova, V. A. Demakov // Applied Biochemistry and Microbiology. - 2014. - Vol. 50, № 7. - С. 722-729. - Bibliogr. : p. 729 (29 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
BACTERIAL DEGRADATION -- CHEMICAL MODIFICATION -- POLYETHYLENE GLYCOLS
Аннотация: Polychlorinated biphenyls (PCBs), also known by the trade name Sovol, are toxic industrial wastes. They have been subjected to chemical treatment by polyethylene glycols (PEGs) and potassium hydroxide. As a result of the interaction of the Sovol with various molecular mass PEGs (MMPEG-4 ∼ 200, MMPEG-22 ∼ 1000), water-soluble mixtures M1 and M2 containing mono(polyethylene glycol)oxy-derivatives (PCB-PEG-4 and PCB-PEG-22), polychlorobiphenylols, and unreacted PCB congeners (PCB 44, PCB 47, PCB 49, PCB 52, and PCB 66) were obtained. It was shown for the first time that mixtures M1 and M2 are susceptible to bacterial degradation without their fractionation. According to the gas-liquid chromatography with flame-ionization and mass-spectrometric detection, the Rhodococcus wratislaviensis KT112-7 strain degraded all of the chemical compounds occurring in the mixtures. In a 5-day experiment, it was found that the KT112-7 strain decomposes mono(polyethylene glycol)oxy-derivatives completely (by 100%) and polychlorobiphenylols and PCB congeners by 90–95% in the M1 and M2 mixtures. The culture medium did not contain transformation products, whereas free chlorine ions were accumulated (72–94% of the maximum possible amount). Thus, the use of the chemical modification and consecutive bacterial degradation provided an effective destruction of technical PCB mixtures with a high content of highly chlorinated congeners

\\\\expert2\\nbo\\Applied Biochemistry and Microbiology\\2014, v.50, N 7, p.722-729.pdf
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8.
Инвентарный номер: нет.
   
   K 96

    Kuznetsov, V. A.
    Development of complex approach to the synthesis of trimethylene carbonate as a monomer for biodegradable polymers [Electronic resource] / V. A. Kuznetsov, M. G. Pervova, A. V. Pestov // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2014. - Vol.50, №5. - С. 654-658. - Bibliogr. : p. 658 (30 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYMERS -- TRIMETHYLENE CARBONATE -- DIALKYL CARBONATES
Аннотация: With the aim of production of polymers for medicine a new preparation method was developed for trimethylene carbonate based on transesterification with trimethylene glycol of dialkyl carbonates obtained without the use of phosgene. As initial reagents alkylene carbonates or polycarbonates and titanium alkoxides can be utilized. The advantages of this approach consist in obtaining some additional useful substances and the possibility of reprocessing polycarbonate wastes

\\\\expert2\\nbo\\Russian Journal of Organic Chemistry\\2014, 50, (5), 654-658.pdf
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9.
Инвентарный номер: нет.
   
   F 33

   
    Features of silicon- and titanium-polyethylene glycol precursors in sol-gel synthesis of new hydrogels [Electronic resource] / T. G. Khonina, A. P. Safronov, M. V. Ivanenko, E. V. Shadrina, O. N. Chupakhin // Journal of Materials Chemistry B. - 2015. - Vol. 3, № 27. - С. 5490-5500. - Bibliogr. : p. 5499-5500 (38 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
MODIFIED SILANES -- MINERALIZATION -- MONOLITHS
Аннотация: The formation of organic/inorganic hydrogels based on silicon and titanium polyethylene glycolates, new biocompatible water-soluble precursors in sol-gel processing, was investigated. The influence of different factors on the gelation process, such as excess of PEG, water molar content, pH of medium, electrolyte additives, was investigated in comparison with silicon-and titanium-glycerol precursors. The specific features of gelation for each type of precursor were revealed. It has been determined that titanium polyethylene glycolates synthesized and used in the excess of PEG formed transparent polymeric hydrogels resistant to syneresis under certain conditions. The titanium polyethylene glycolates synthesized without excess of PEG formed turbid heterogeneous colloidal gels. In the case of silicon polyethylene glycolates the hydrogels obtained were polymeric. Dynamic light scattering was used to confirm the polymeric or colloidal type of gelation. The solid and liquid phases of polymeric silicon- and titanium-polyethylene glycol hydrogels were separated by exhaustive extraction. The solid phase was characterized by combined thermal analysis with simultaneous quadruple mass spectrometry, XRD, IR spectroscopy, and liquid phase-atomic emission spectroscopy. The structural features of polymeric gels were investigated by SEM and TEM methods. The cross-linking density of polymeric hydrogels was evaluated using Flory-Rehner theory based on the mechanical properties of swollen networks of flexible polymeric chains

\\\\expert2\\nbo\\Journal of Materials Chemistry B\\2015. V. 3, N 27. P. 5490-5500.pdf
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10.
Инвентарный номер: нет.
   
   N 52

   
    New examples of chelating triketone-like ligands that promote formation of binuclear complexes [Electronic resource] / A. V. Pestov, L. A. Khamidullina, V. Ya. Sosnovskikh, P. A. Slepukhin, I. Puzyrev // Polyhedron. - 2016. - Vol. 106. - С. 75-83
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
cHROMAN-4-ONES -- TRIKETONE-LIKE LIGANDS -- BINUCLEAR COMPLEXES
Аннотация: The present work is to investigate of binding properties of chelating triketone-like ligands, which are able to forming of binuclear complexes. The studied compounds are able to exist in cyclic or 'close form' (phenyl substituted or unsubstituted 2-hydroxy-2-(trifluoromethyl)chroman-4-ones) as well as in their associated 'open form' (phenyl substituted or unsubstituted 1,1,1-trifluoro-4-(2-hydroxyphenyl)butan-2,4-diones). In this paper there is good evidence for the compounds are being in solid in 'close form' (pre-ligands), whereas in basic solutions and when involved in metal ion coordination sphere they are being in 'open form' (ligands). Protolytic equilibria of the compounds in aqueous ethylene glycol solutions were studied. Schemes of acid-base equilibria of these compounds were proposed. Apparent ionization constants of compounds containing electron-donor and electron-acceptor substituents in the benzene ring were determined using spectrophotometric method. The binding properties of 1,1, 1-trifluoro-4-(2-hydroxyphenyl)butan-2,4-dione towards Cu(II), Ni(II) and Co(II) were studied. The formation of 2:2 metal-ligand complexes was observed. X-ray analysis gives evidence the formation of complexes in which the ratio metal to ligand can be 1:2 and 2:2. Similar to beta-triketones the studied ligands tends to formation of binuclear complexes with transition metal ions

\\\\expert2\\NBO\\Polyhedron\\2016, v.106, p.75-83.pdf
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