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 Найдено в других БД:Каталог препринтов УрО РАН (1975 г. - ) (1)
Формат представления найденных документов:
полныйинформационныйкраткий
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авторузаглавиюгоду изданиятипу документа
Поисковый запрос: (<.>K=BIPHENYL<.>)
Общее количество найденных документов : 8
Показаны документы с 1 по 8
1.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis, structure, and complexing ability of fluoroalkyl-containing 2,2-(biphenyl-4,4-diyldihydrazono)bis(1,3-dicarbonyl) compounds [Electronic resource] / I. V. Shchur, O. G. Khudina, Ya. V. Burgart, V. I. Saloutin, M. A. Grishina, V. A. Potemkin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2007. - Vol. 43, № 12. - P1781-1787
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: New fluoroalkyl-containing 2,2?-(biphenyl-4,4?-diyldihydrazono)bis(1,3-diketones) and 2,2?-(biphenyl-4,4?-diyldihydrazono)bis(3-oxopropionates) were synthesized by azo coupling of the corresponding 1,3-dicarbonyl compounds with biphenyl-4,4?-bis(diazonium) dichloride. Complexing ability of the obtained bis-hydrazones was studied, and new coordination compounds of the general formula M2L2 [where M = Ni(II), Cu(II); L = fluoroalkyl-containing 2,2?-(biphenyl-4,4?-diyldihydrazono)bis(1,3-diketone)] were obtained

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2007, 43 (12), 1781.pdf
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2.
Инвентарный номер: нет.
   
   R 30


   
    Reactions of polychlorodiphenyls with alcohols [Text] / T. I. Gorbunova, A. Ya. Zapevalov, V. E. Kirichenko, V. I. Saloutin, O. N. Chupakhin // Russian Journal of Applied Chemistry. - 2000. - Vol. 73, № 4. - P650-654. - Bibliogr. : p. 654 (12 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ALCOHOL -- BIPHENYL -- POLYCHLORINATED BIPHENYL -- ALKOXY GROUPS
Аннотация: Procedures are proposed for chemical treatment of commercial polychlorodiphenyls through nucleophilic substitution of two chlorine atoms by various alkoxy groups.

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3.
Инвентарный номер: нет.
   
   Z 11


    Zabelina, O. N.
    Analysis of polychlorinated biphenyl mixtures by gas chromatography [Electronic resource] / O. N. Zabelina, V. I. Saloutin, O. N. Chupakhin // Journal of Analytical Chemistry. - 2010. - Vol. 65, № 11. - P1098-1108 : табл. - Bibliogr. : p. 1106-1108 (129 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLORINATED BIPHENYLS -- GAS CHROMATOGRAPHY -- AROCLORS -- MASS-SPECTROMETRIC DETECTION
Аннотация: The data published during the recent 10–15 years on the conditions of gas chromatographic separation (columns, temperature modes, and detection methods), identification, and determination of the components of polychlorinated biphenyl technical mixtures are summarized. Special attention is paid to mass-spectrometric detection.

\\\\Expert2\\nbo\\Journal of Analytical Chemistry\\2010, V. 65, N 11, p. 1098-1108.pdf
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4.
Инвентарный номер: нет.
   
   T 44


   
    Thermodynamic modeling of the reaction of polychlorinated biphenyls with sodium methoxide [Electronic resource] / T. V. Kulikova, A. V. Maiorova, K. Yu. Shunyaev, T. I. Gorbunova, V. I. Saloutin, O. N. Chupakhin // Russian Journal of General Chemistry. - 2013. - Vol.83, №5. - С. 893-900. - Библиогр.: с. 900 (17 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
THERMODYNAMIC MODELING -- SODIUM METHOXIDE -- POLYCHLORINATED BIPHENYLS
Аннотация: Thermochemical parameters, like standard enthalpy of formation (ΔH 298 0), enthalpy increment from 0 to 298 K (H 298 0 - H 0 0), standard heat capacity (C p298 0) and its temperature dependence [Cp(T)], and entropy (S 298 0), were calculated for the gaseous methoxy derivatives formed from polychlotinated biphenyl (PCB) congeners. Thermodynamic modeling and the HSC software were used to evaluate the reactivity of PCB congeners toward sodium methoxide in DMSO, and the calculation results were compared with experimental data

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5.
Инвентарный номер: нет.
   
   R 30


   
    Reactivity of polychlorinated biphenyls in nucleophilic and electrophilic substitutions [Electronic resource] / T. I. Gorbunova, J. O. Subbotina, V. I. Saloutin, O. N. Chupakhin // Journal of Hazardous Materials. - 2014. - Vol.278. - С. 491-499. - Bibliogr. : p. 498-499 (58 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CONGENERS -- DESCRIPTORS -- ELECTROPHILIC SUBSTITUTION
Аннотация: To explain the chemical reactivity of polychlorinated biphenyls in nucleophilic (SN) and electrophilic (SE) substitutions, quantum chemical calculations were carried out at the B3LYP/6-31G(d) level of the Density Functional Theory in gas phase. Carbon atomic charges in biphenyl structure were calculated by the Atoms-in-Molecules method. Chemical hardness and global electrophilicity index parameters were determined for congeners. A comparison of calculated descriptors and experimental data for congener reactivity in the SN and SE reactions was made. It is shown that interactions in the SN mechanism are reactions of the hard acid-hard base type, these are the most effective in case of highly chlorinated substrates. To explain the congener reactivity in the SE reactions, correct descriptors were not established. The obtained results can be used to carry out chemical transformations of the polychlorinated biphenyls in order to prepare them for microbiological destruction or preservation

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6.
Инвентарный номер: нет.
   
   P 80


   
    Polychlorinated biphenyls: Correlation between experimental data and quantum-chemical simulation / T. I. Gorbunova, J. O. Subbotina, V. I. Saloutin, O. N. Chupakhin // Russian Journal of General Chemistry. - 2014. - Vol.84, №3. - С. 486-495. - Bibliogr. : p. 494-495 (43 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLORINATED BIPHENYLS -- SOVOL MIXTURE -- NUCLEOPHILIC SUBSTITUTION
Аннотация: In order to comprehend the data on reactivity of polychlorinated biphenyls of the Sovol mixture in nucleophilic substitution reactions we have performed quantum-chemical simulation using the RB3LYP\6-31G(d) gas phase approximation. Using the "Atoms-in-Molecules" approach, we have computed charges on the biphenyl carbon atoms adjacent to chlorine; furthermore, absolute chemical hardness and global electrophilicity index have been determined for the studied chlorobiphenyls. The calculated descriptors have been correlated with experimentally determined reactivity of the biphenyls in the hard acid-hard base nucleophilic reactions. The higher reactivity of more chlorinated substrates has been confirmed

\\\\expert2\\nbo\\Russian Journal of General Chemistry\\2014, V. 84, N 3, p. 486–495.pdf
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7.
Инвентарный номер: нет.
   


   
    Features of sulfonation of polychlorinated biphenyl congeners / K. A. Plotnikova, T. I. Gorbunova, M. G. Pervova, V. I. Saloutin, O. N. Chupakhin // Russian Journal of General Chemistry. - 2018. - Vol. 88, № 2. - P257-261
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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8.
Инвентарный номер: нет.
   
   M 78


   
    Modeling of the biphenyl dioxygenase α-subunit structure of rhodococcus strains and features of the destruction of chlorinated and hydroxylated biphenyls at different temperatures / D. O. Egorova, T. I. Gorbunova, T. D. Kir’yanova [et al.] // Applied Biochemistry and Microbiology. - 2021. - Vol. 57, № 6. - P732-742
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
RHODOCOCCUS -- BIPHENYL DIOXYGENASE -- 3,4-DICHLOROBIPHENYL -- HYDROXYBIPHENYL
Аннотация: Based on modeling of the protein structure of the α subunit of biphenyl 2,3-dioxygenase (BphA1) (EC 1.14.12.18), the key enzyme for the destruction of biphenyl and polychlorinated biphenyls (PCBs), it was found that BphA1 Rhodococcus wratislaviensis KT112-7 (= VKM Ac-2623D) had the highest level of similarity with classical biphenyl dioxygenases (BDOs) of the PCBs-degrader strains of the genus Rhodococcus. The structure of BphA1 Rhodococcus wratislaviensis CH628 had the highest similarity with naphthalene dioxygenase of the strains of the genus Rhodococcus, and the structure of BphA1 Rhodococcus ruber P25 (= IEGM 896) was unique, since no protein molecules with a high level of similarity were identified. It was shown that all of the studied strains, despite their differences in the BphA1 structure, carried out dioxygenation of the unsubstituted ring in molecules of 3,4-dichlorobiphenyl (PCB 12), as well as monochlorinated and monohydroxy-monochlorinated biphenyls (mixture P). The level of destruction of PCB 12 and mixture P was 95.4–100% at 30°C for 10 days at an initial concentration of 0.1 g/L. It was found that a change in temperature (10–50°C) had the greatest effect on the biodegradative activity of the strain R. ruber P25 (a decrease by 3.1–3.9 times). R. wratislaviensis CH628 and R. wratislaviensis KT112-7 efficiently degraded PCB 12 at temperatures of 20–40 and 10–30°C, respectively (the destruction level was 93.2–100%).

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