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 Найдено в других БД:Труды Института высокотемпературной электрохимии УрО РАН (1)Труды сотрудников Института химии твердого тела УрО РАН (4)Публикации Чарушина В.Н. (4)
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Общее количество найденных документов : 101
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1.
Инвентарный номер: нет.
   
   U 61

   
    Unsymmetrical trifluoromethyl methoxyphenyl β-diketones: effect of the position of methoxy group and coordination at Cu(II) on biological activity / L. A. Khamidullina, I. S. Puzyrev, P. A. Slepukhin [et al.] // Molecules. - 2021. - Vol. 26, № 21. - Ст. 6466
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
COPPER(II) -- DIKETONATES -- CYTOTOXIC ACTIVITY -- ANTIMICROBIAL ACTIVITY
Аннотация: Copper(II) complexes with 1,1,1-trifluoro-4-(4-methoxyphenyl)butan-2,4-dione (HL1) were synthesized and characterized by elemental analysis, FT-IR spectroscopy, and single crystal X-ray diffraction. The biological properties of HL1 and cis-[Cu(L1)2(DMSO)] (3) were examined against Gram-positive and Gram-negative bacteria and opportunistic unicellular fungi. The cytotoxicity was estimated towards the HeLa and Vero cell lines. Complex 3 demonstrated antibacterial activity towards S. aureus comparable to that of streptomycin, lower antifungal activity than the ligand HL1 and moderate cytotoxicity. The bioactivity was compared with the activity of compounds of similar structures. The effect of changing the position of the methoxy group at the aromatic ring in the ligand moiety of the complexes on their antimicrobial and cytotoxic activity was explored. We propose that complex 3 has lower bioavailability and reduced bioactivity than expected due to strong intermolecular contacts. In addition, molecular docking studies provided theoretical information on the interactions of tested compounds with ribonucleotide reductase subunit R2, as well as the chaperones Hsp70 and Hsp90, which are important biomolecular targets for antitumor and antimicrobial drug search and design. The obtained results revealed that the complexes displayed enhanced affinity over organic ligands. Taken together, the copper(II) complexes with the trifluoromethyl methoxyphenyl-substituted β-diketones could be considered as promising anticancer agents with antibacterial properties

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2.
Инвентарный номер: нет.
   
   P 49

    Pestov, A. V.
    Triocarbaamoylation of chitosan [] : доклад, тезисы доклада / A. V. Pestov, Yu. A. Skorik, Yu. G. Yatluk // 10-th International Conference on Chitin and Chitosan - 7th International Conference of the European Chitin Society, Le Corum, Montpellier, France, 6-9 September 2006 : book of abstracts . - Le Corum, Montpellier (France), 2006. - 76 (PC 12)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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3.
Инвентарный номер: нет.
   
   T 82

   
    Transesterification of dialkyl carbonates with fluorine-containing alcohols / A. M. Semenova, M. G. Pervova, M. A. Ezhikova [et al.] // Russian chemical bulletin. - 2021. - Vol. 70, № 5. - P933-936
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Reactions of transesterification of dimethyl, diethyl and dibutyl carbonates with 2,2,3,3-tetrafluoroethyl-, 2,2,3,3,4,4,5,5-octafluorobutyl- and 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluorohexyl-carbinols were investigated in the presence of various catalysts. It was found that the conversion of starting dialkyl carbonate increases upon increasing the length of fluorine-containing radical in the presence of sodium alkoxide. It was shown that the maximum conversion of dimethyl carbonate (90%) was achieved in its reaction with 2,2,3,3,4,4,5,5-octafluoropentan-1-ol upon using catalysts such as K2CO3, NaOH, and sodium alkoxide. To achieve similar values of the conversion, Ti(OEt)4 and Ti(OiPr)4 should be used in the cases of diethyl and dibutyl carbonates, respectively.

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4.
Инвентарный номер: нет.
   
   T 45

   
    Thiocarbamoylation of chlorosulfonated polystyrene for preparing sorbents for noble metal ions / D. V. Nesterov, A. V. Mekhaev, A. V. Pestov, V. A. Bakulev, S. Y. Bratskaya // Russian Journal of Applied Chemistry. - 2018. - Vol. 91, № 2. - P292-296
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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5.
Инвентарный номер: нет.
   
   T 45

   
    Thiocarbamoyl chitosan: Synthesis, characterization and sorption of Au(III), Pt(IV), and Pd(II) [Text] / S. YU. Bratskaya, A. Yu. Ustinov, Yu. A. Azarova, A. V. Pestov // Carbohydrate Polymers. - 2011. - Vol. 85, № 4. - P854-861 : ил. - Bibliogr. : p. 860-861 (39 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Here we suggest a new method of chitosan sulfur derivatives (thiocarbamoylchitosans, TC-chitosans) synthesis via reaction in eutectic two-component system ammonium rodanide–thiourea that allows significant increase of substitution degrees at the reduced time and reagent consumption as compared to conventional synthetic procedures. The sorption properties of TC-chitosans with substitution degrees (DS) from 0.4 to 0.9 toward Au(III), Pt(IV), Pd(II) ions were studied in chloride solutions, including systems with 10 to 1000-fold excess of Fe(III), Cu(II), and Zn(II) over the precious metal ions content. The sorption capacities of TC-chitosans increase with DS and change in the row: Au(III) Pd(II) Pt(IV) ? Cu(II) Fe(III) Zn(II). The maximum sorption capacities of TC-chitosan with DS 0.9 for Pt(IV), Pd(II), and Au(III) were 1.24 mmol/g, 3.43 mmol/g, and 3.81 mmol/g, respectively. Characterization of precious metals oxidation states by the XPS method after the sorption on TC-chitosan revealed that the platinum and gold recovery occurred with reduction of Au(III) to Au(I)/Au(0) and Pt(IV) to Pt(II)????

\\\\Expert2\\nbo\\Carbohydrate Polymers\\2011, v. 85, p.854.pdf
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6.
Инвентарный номер: нет.
   
   T 45

   
    Thiocarbamoyl chitosan as a novel sorbent with high sorption capacity and selectivity for the ions of gold(III), platinum(IV), and palladium [Electronic resource] / A. V. Pestov, S. Yu. Bratskaya, A. Slobodyuk, V. A. Avramenko, Yu. G. Yatluk // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2010. - Vol. 59, № 7. - P1303-1306
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHITOSAN -- THIOCARBAMOYL CHITOSAN -- IONS OF GOLD(III)
Аннотация: Thiocarbamoyl chitosan (TCC) was synthesized by grafting thiourea on chitosan backbone in eutectic composition of ammonium thiocyanate—thiourea. Insoluble products with the amno group functionalization degree of 0.3–1.1 can be prepared by varying the conditions of polymer-analogous (synthesis in a gel) transformation. Structure of the synthesized chitosan derivatives was characterized by elemental analysis, diffuse reflectance infrared spectroscopy, and the solid state 13C NMR. Study of sorption properties of TCC shows high sorption capacity and selectivity for the ions of gold(III), platinum(IV), and palladium(II) as evidenced by results obtained at pH 2 in the presence of 100–1000-fold excess of iron(III), copper(II), zinc(II), and nickel(II). Sorption capacity of TCC for all ions increases with the increase in the degree of substitution and changes in the series: AuIII > PdII > PtIV

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2010, 59 (7), 1303-1306.pdf
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7.
Инвентарный номер: нет.
   

    Gabov, I. S.
    The reactivity of ethylene carbonate derivatives toward to imidazoles / I. S. Gabov, A. V. Pestov // Mendeleev 2021: book of abstracts XII international conference on chemistry for young scientists. - Saint Petersburg, 2021. - С. 547
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ИМИДАЗОЛЫ

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8.
Инвентарный номер: нет.
   
   T 44

   
    The first cubane-like complex of copper based on N -carboxyethyl-tris(hydroxymethyl)aminomethane: Synthesis and crystal structure [Electronic resource] / A. V. Pestov, A. V. Virovets, N. V. Podberezskaya, Yu. G. Yatluk // Russian Journal of Coordination Chemistry. - 2008. - Vol. 34, № 1. - P1-7. - Bibliogr. : p. 7 (9 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The interaction of acrylic acid with tris(hydroxymethyl)aminomethane (I) was studied. A simple method was suggested for preparing N-carboxyethyl-tris(hydroxymethyl)aminomethane (homotricin) (II). On the basis of compound II, the 1:1 Cu complex, [Cu(OCH2C(CH2OH)2NHCH2CH2COO)]4·nH2O (n = 4–11.25) (III), which is alkoxycarboxylate, was synthesized. The crystal structure of III was found to correspond to a cubane-like tetranuclear cluster (an automated Bruker X8Apex diffractometer with CCD detector (MoK radiation, graphite monochromator, v = 1.11°-27.5°), 8016 reflections, space group P , a = 12.5573(3), b = 19.1012(4), c = 21.2903(5) A, a = 80.7770(10)°, beta = 75.7430(10)°, y = 75.2260(10)°, V = 4761.62(19) A3, p(calcd.) = 1.704 g/cm3, Z = 4). The crystals are unstable due to the large number of water molecules

\\\\Expert2\\nbo\\Russian Journal of Coordination Chemistry\\2008, v. 34, N. 1, p.1.pdf
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9.
Инвентарный номер: нет.
   

   
    Synthesis of δ-Valerolactone Using Stable Hydrogen Peroxide Derivatives / Y. V. Solovyova, A. V. Pestov, I. S. Puzyrev [et al.] // Russian Journal of Organic Chemistry. - 2022. - Vol. 58, № 4. - P480-483
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The efficiencies of hydrogen peroxide derivatives in the Baeyer–Villiger oxidation of cyclopen­tanone to δ-valerolactone have been compared. The oxidants used were hydrogen peroxide in acetic, formic, or trifluoroacetic acid, magnesium and sodium monoperoxyphthalates, cumene hydroperoxide, and tert-butyl hydroperoxide. The oxidation was carried out in water, aqueous methanol, and water–ethyl acetate. Sodium and magnesium monoperoxyphthalates turned out to provide high conversion and selectivity under mild conditions.

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10.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of poly[N-(2,3-dihydroxypropyl)aminostyrene], a new sorbent for boron(III) ions / D. V. Nesterov, L. S. Molochnikov, M. I. Kodess, E. G. Matochkina, O. V. Koryakova, Yu. G. Yatluk, A. V. Pestov // Russian Journal of Applied Chemistry. - 2013. - Vol.86, №5. - С. 777-781. - Библиогр.: с. 781 (33 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMINOSTYRENE -- NITRATION -- GLYCIDOL
Аннотация: A procedure was developed for preparation of poly[N-(2,3-dihydroxypropyl)aminostyrene] via successive stages of nitration, reduction, and glycidol treatment of polystyrene, which gives the polymer with a maximal degree of functionalization. The composition and structure of the intermediates and end products of the polymer-analogous reactions were characterized by elemental analysis, IR spectroscopy, and solid-state 13C NMR spectroscopy. The sorption characteristics of poly[N-(2,3-dihydroxypropyl)aminostyrene] toward boroncontaining ions were assessed

\\\\expert2\\NBO\\Russian Journal of Applied Chemistry\\2013, v. 86, N 5, p.777.pdf
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