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  1. No Access

    Article

    Activity Coefficients of the System {yNaCl + (1 – y)Na2HPO4}(aq) at T = 298.15 K Determined by Electromotive Force Measurements

    The mean ionic activity coefficients of NaCl in a ternary system {yNaCl + (1 – y)Na2HPO4}(aq) were determined from measurements of the electromotive force (EMF) where the NaCl ionic strength fraction was y = (0.3...

    D. Ž. Popović, T. G. Ivanović, J. Miladinović… in Russian Journal of Physical Chemistry A (2023)

  2. No Access

    Article

    Catalysts for Liquid-Phase Oxidation of Organic Compounds with Hydrogen Peroxide: Homogeneous and Phase Transfer Systems

    The review presents a comparative analysis of promising homogeneous metal complex catalysts and the results of studies on the synthesis and determination of the structural characteristics of efficient catalyst...

    Z. P. Pai, V. N. Parmon, V. I. Bukhtiyarov in Kinetics and Catalysis (2023)

  3. Article

    Erratum to: Solubility in K+–Na+–Mg2+– \({\text{SO}}_{4}^{{2 - }}\) Aqueous Solution at T = 298.15 K

    An Erratum to this paper has been published: https://doi.org/10.1134/S0036024423340010

    D. Ž. Popović, J. M. Miladinović… in Russian Journal of Physical Chemistry A (2023)

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  4. No Access

    Article

    Kinetics of the Catalytic Oxidation of Methyl Oleate

    The results of studying the reaction kinetics of the catalytic oxidation of methyl oleate with hydrogen peroxide in a two-phase system (aqueous phase-organic phase) in the presence of the bifunctional catalyst...

    D. Yu. Yushchenko, Z. P. Pai, Yu. V. Uchenova, T. B. Khlebnikova in Kinetics and Catalysis (2023)

  5. No Access

    Article

    New Catalysts for Asymmetric Oxidation of Prochiral Sulfides Based on Vanadium Complexes with Levopimaric Acid Derivatives

    The formation of vanadium complexes with synthesized enantio- and diastereomerically pure polydentate tetrahydrosalicylidene ligands of the diterpene series was studied using UV, visible, and 51V NMR spectroscopy...

    V. N. Konev, I. V. Eltsov, Z. P. Pai, T. B. Khlebnikova in Kinetics and Catalysis (2022)

  6. No Access

    Article

    TUNGSTEN PEROXOPOLYOXO COMPLEXES– PROMISING CATALYSTS FOR OXIDATION OF ORGANIC COMPOUNDS. II. STRUCTURE OF THE [(n-Oct)3NME]3{PO4[WO(O2)2]4} COMPLEX FROM THE SMALL-ANGLE X-RAY SCATTERING DATA

    By small angle X-ray scattering (SAXS) solutions of the [(n-Oct)3NMe]3{PO4[WO(O2)2]4} peroxopolyoxo complex are studied using 13 different organic solvents. In solutions of heptane, cyclohexane, and diethyl ether...

    Yu. V. Larichev, N. V. Selivanova, P. V. Berdnikova… in Journal of Structural Chemistry (2022)

  7. No Access

    Article

    Methods for the Catalytic Synthesis of Piperazine

    Piperazine synthesis methods on intermolecular and intramolecular cyclization catalytic processes are compared and reviewed analytically. The advantages and disadvantages of current ways of synthesizing pipera...

    E. E. Sergeev, L. L. Gogin, T. B. Khlebnikova, E. G. Zhizhina… in Catalysis in Industry (2022)

  8. No Access

    Article

    A Facile Synthesis of Nano Gold Doped TiO2 and Its Photocatalytic Activity toward Citric Acid

    In this paper the nano gold doped in TiO2 were prepared, and characterized by scanning electron microscopy with energy dispersive analysis, powder X-ray diffraction, IR spectrometry and electrochemical methods. I...

    Y. Z. Song, H. D. Heng, K. Z. Di, Z. P. Feng… in Russian Journal of Physical Chemistry A (2021)

  9. No Access

    Article

    A 3,5-Connected 3D Nickel-Mixed Ligands Coordination Polymer with Selective Adsorption of Carbon Dioxide

    The gas adsorption is an important research field of coordination chemistry and bioinorganic chemistry, in which the selective absorption of CO2 in the presence of N2 is a challenge in these fields. A coordinatio...

    J. A. Hua, Z. P. Duan, C. K. Gao, X. H. **e… in Russian Journal of Coordination Chemistry (2021)

  10. No Access

    Article

    Efficient Oxidative Depolymerization of **linguole Lignite to Produce Humic Acids with Little CO2 Production

    At present, non-fuel utilization as alternative chemical feedstocks becomes very important and significant for the efficient conversion of lignite. To reduce CO2 production, an oxy-cracking technique in weak alka...

    Z. C. Wang, Z. Q. Wu, Q. Wang, C. X. Pan, J. C. Yan, Z. K. Li… in Solid Fuel Chemistry (2021)

  11. No Access

    Article

    Glyphosate: Methods of Synthesis

    The review describes the main chemical processes used in the preparation of glyphosate by different methods. Methods for the synthesis of glyphosate are considered, both industrial syntheses (from glycine and ...

    D. Yu. Yushchenko, T. B. Khlebnikova, Z. P. Pai… in Kinetics and Catalysis (2021)

  12. No Access

    Article

    Production of Methacrylic Acid and Metacrylates

    The literature on the existing processes for the preparation of an important organic product, methacrylic acid and its ester, methyl methacrylate is analyzed. It is shown that the main method of their industri...

    L. L. Gogin, E. G. Zhizhina, Z. P. Pai in Catalysis in Industry (2021)

  13. No Access

    Article

    Oxidation of Organic Substrates in Two-Phase Liquid Systems in the Presence of Tungsten Peroxo Complexes with the Formation of Carboxylic Acids

    A brief review is given for the results obtained by the authors at the Boreskov Institute of Catalysis when studying the processes of hydrogen peroxide oxidation for different organic compounds. Some basic cat...

    N. V. Selivanova, P. V. Berdnikova, Z. P. Pai in Catalysis in Industry (2021)

  14. No Access

    Article

    Phenol-Formaldehyde Resins: Properties, Fields of Application, and Methods of Synthesis

    This review considers the current situation in the market of phenol-formaldehyde resins, which serve as a basis for a wide range of binders, whose properties can be varied to obtain different materials for cer...

    P. V. Berdnikova, E. G. Zhizhina, Z. P. Pai in Catalysis in Industry (2021)

  15. No Access

    Article

    Catalytic and photocatalytic properties of zinc-nickel ferrites

    A synthetic procedure combining high energy ball-milling and calcination at 900 °C was applied to obtain mixed metal oxides of the type Zn1−xNixFe2O4 (x = 0.25; 0.5; 0.75). The formation of spinel-like structures...

    M P Tsvetkov, M. M Milanova, Z P Cherkezova-Zheleva… in Journal of Chemical Sciences (2021)

  16. No Access

    Article

    TUNGSTEN PEROXOPOLYOXO COMPLEXES ARE PROSPECTIVE CATALYSTS FOR THE OXIDATION OF ORGANIC COMPOUNDS. I.  STRUCTURE OF COMPLEX [(BUn)4N]3{PO4[WO(O2)2]4} ACCORDING TO SMALL-ANGLE X-RAY SCATTERING

    The structure of the H3PW12O40 oxometalate precursor and that of the [(Bun)4N]3{PO4[WO(O2)2]4} peroxo complex which was synthesized from it are studied by small-angle X-ray scattering (SAXS) in solutions. It is s...

    Yu. V. Larichev, N. V. Selivanova, P. V. Berdnikova… in Journal of Structural Chemistry (2020)

  17. No Access

    Article

    Synthesis of New Chiral Secondary 1,2-Diamines Based on Levopimaric Acid and Their Use as Ligands in Copper(II)-Catalyzed Asymmetric Henry Reaction

    Methods have been developed for the synthesis of new chiral imino amines and unsymmetrically substituted trans-1,2-diamines based on fumaropimaric acid. The new trans-1,2-diamines were tested as ligands in the co...

    V. N. Konev, Z. P. Pai, T. B. Khlebnikova in Russian Journal of Organic Chemistry (2020)

  18. No Access

    Article

    Synthesis and structure of 9-hydroxy-1,2-dicarba-closo-dodecaborane(11)

    The oxidation of 1,2-C2B10H12 (1) with 100% nitric acid was studied in two solvents (CH2C12 and CCl4). Under the action of superacid (CF3SO3H), the compound 9-HO-1,2-C2B10H11 (2) gives the onium cation 9-H2O+-1,2...

    D. A. Rudakov, A. M. Genaev, Yu. V. Gatilov, E. A. Dikusar… in Russian Chemical Bulletin (2020)

  19. No Access

    Article

    Methods for the Synthesis of Phthalic Acid Dichlorides

    Isophthalic and terephthalic acid chlorides (also known as isophthaloyl and terephthaloyl chlorides) are without doubt strategically important compounds. One area in which they are used is the synthesis of ara...

    D. Yu. Yushchenko, E. G. Zhizhina, Z. P. Pai in Catalysis in Industry (2020)

  20. No Access

    Article

    Halogenation and μH Tautomerism of 7-Benzyl-7,8-dicarba-nido-undecaborate(−1) Anion

    Deboration of 1-PhCH2-1,2-C2B10H11 by heating in ethanolic potassium hydroxide afforded Me4N+ [7-PhCH2-7,8-C2B9H11]− which was treated with excess halosuccinimide (NCS, NBS) in acetonitrile or with elemental iodi...

    D. A. Rudakov, A. M. Genaev, E. A. Dikusar… in Russian Journal of Organic Chemistry (2019)

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