1. Equilibrium Processes in AlkNHCH₂SO₃H–NH₂CH₂CH₂OH–H₂O Solutions

   • R. E. Khoma
   • A. A. Ennan
   • E. M. Rakhlitskaya

   OriginalPaper 21 May 2021 Pages: 583 - 592

   

2. Chemically Induced Dynamic Nuclear Polarization in Photoreduction Reactions of 1,4-Benzoquinone in an Acidic Medium

   • V. I. Porkhun
   • A. V. Arshinov
   • A. G. Podoprigora

   OriginalPaper 21 May 2021 Pages: 593 - 595

   

3. Alkaline Alcoholysis of gem-Dichlorocyclopropane Derivatives

   • G. Z. Raskil’dina
   • G. N. Sakhabutdinova
   • S. S. Zlotskii

   OriginalPaper 21 May 2021 Pages: 596 - 601

4. Reactions of Alkyl 2-(Bromozinc)acylates with N-Chloro- and N-Bromodiethylamines

   • А. V. Zorin
   • A. T. Zaynashev
   • V. V. Zorin

   OriginalPaper 21 May 2021 Pages: 602 - 605

5. Synthesis and Regiospecific Bromination of (2E,4E)-5-Aryl-2-(4-arylthiazol-2-yl)penta-2,4-dienenitrile

   • N. A. Pakholka
   • V. V. Dotsenko
   • S. G. Krivokolysko

   OriginalPaper 21 May 2021 Pages: 606 - 613

   

6. Synthesis of Symmetric Binuclear 5,6-Dihydro-1,2,4,5-tetrazinium Perchlorates

   • S. G. Kostryukov
   • A. Sh. Kozlov
   • T. D. Idris

   OriginalPaper 21 May 2021 Pages: 614 - 620

   

7. Synthesis of (E)-5-Arylvinyl-7-methyltetrazolo[1,5-a]pyrimidines

   • V. L. Gein
   • A. N. Prudnikova
   • M. V. Dmitriev

   OriginalPaper Open access 21 May 2021 Pages: 621 - 625

   

8. Synthesis and Photochromic Properties of Bis-Spirocyclic Compounds Based on 1,3-Dihydroxy-6-oxo-6H-benzo[c]chromene-2,4-dicarbaldehyde

   • O. G. Nikolaeva
   • O. Yu. Karlutova
   • V. I. Minkin

   OriginalPaper 21 May 2021 Pages: 626 - 630

   

9. Reaction of 2,2′-Di(4-chlorophenyl)-1,1′,3,3′-tetraoxo-2,2′,3,3′-tetrahydro-1H,1′H-6,6′-di(benzo[de]isoquinoline)-7,7′-dicarboxylic Acid with Thiourea Dioxide in Water-Alkaline Solution

   • Yu. V. Polenov
   • K. S. Nikitin
   • D. A. Patrusheva

   OriginalPaper 21 May 2021 Pages: 631 - 635

   

10. Synthesis of Phosphonomethylated Bromoacetylfurans and Their Reactions with 1,3-Dicarbonyl Compounds

    • L. M. Pevzner
    • A. I. Ponyaev

    OriginalPaper Open access 21 May 2021 Pages: 636 - 649

11. N′-Sulfonyl- and N′-Acylhydrazones of α- and β-Diphenylphosphorylalkanones: Synthesis and Structure

    • A. B. Uryupin
    • G. V. Bodrin
    • K. A. Kochetkov

    OriginalPaper 21 May 2021 Pages: 650 - 656

    

12. Tautomerism of N-(2-Bromo-3-ethoxypropyl)-Nʹ-trifluoromethylsulfonylacetamidine

    • B. A. Shainyan
    • N. N. Chipanina
    • A. S. Ganin

    OriginalPaper 21 May 2021 Pages: 657 - 660

13. Structure and Radioprotective Activity of Mercaptoacetyl Hydrazones of 6-Deoxy- and 2-(Acethylamino)aldoses

    • I. V. Lagoda
    • А. Y. Ershov
    • А. V. Yakimansky

    OriginalPaper 21 May 2021 Pages: 661 - 665

14. Synthesis, Structure, and Biological Activity of Palladium(II) Complexes with Some 1- and 2-Substituted Tetrazole Ligands

    • A. A. Batyrenko
    • O. V. Mikolaichuk
    • R. E. Trifonov

    OriginalPaper 21 May 2021 Pages: 666 - 671

    

15. Tris(m-tolyl)antimony Derivatives (3-MeC₆H₄)₃Sb[OC(O)R]₂ (R = CH₂Cl, C₆H₃F₂-2,3) and [(3-MeC₆H₄)₃SbOSO₂C₆H₃(NO₂)₂-2,4]₂O: Synthesis and Structure

    • V. V. Sharutin
    • O. K. Sharutina

    OriginalPaper 21 May 2021 Pages: 672 - 677

    

16. Coordination Compounds of Lanthanides with 3-Hydroxy-4-oxo-4H-pyran-2,6-dicarboxylic Acid: Synthesis, Structure, and Photoluminescent Properties

    • N. N. Bukov
    • L. I. Ivashchenko
    • V. T. Panyushkin

    OriginalPaper 21 May 2021 Pages: 678 - 684

    

17. Synthesis and Luminescent Properties of Eu³⁺ and Tb³⁺ Complexes with Coumarin-3-carboxylic Acids

    • N. A. Gromak
    • F. A. Kolokolov
    • I. V. Aksenova

    OriginalPaper 21 May 2021 Pages: 685 - 692

    

18. Doping of CuSc_3–xLn_xS₅ (Ln = Y, Lu) Compounds with the Spinel Structure

    • I. A. Razumkova
    • N. O. Azarapin
    • S. A. Basova

    OriginalPaper 21 May 2021 Pages: 693 - 696

    

19. Synthesis and Photocatalytic Properties of Magnesium Silicate Modified with Cationic Chlorin e₆ Derivatives

    • I. V. Loukhina
    • M. A. Gradova
    • D. V. Belykh

    OriginalPaper 21 May 2021 Pages: 697 - 706

    

20. Electrochemical Synthesis of Porous Copper(II) Oxide Microparticles with Rectangular Hexagonal Morphology

    • E. O. Andriychenko
    • V. I. Zelenov
    • N. N. Bukov

    OriginalPaper 21 May 2021 Pages: 707 - 710

    

21. Microwave-Assisted Synthesis of Substituted 2-(2H-Chromen-3-yl)-5-phenyl-1H-imidazole Based Coumarin Derivatives and Their Antimicrobial Activity

    • D. Ashok
    • Katta Ramakrishna
    • M. Sarasija

    OriginalPaper 21 May 2021 Pages: 711 - 716

22. Synthesis of Novel Mononuclear Lanthanide (Ln³⁺) Complexes with Indole-3-acetic Acid Hormone, Their Structure and Properties Based on Spectroscopic and In Silico Studies

    • M. S. Refat
    • A. Sayqal
    • N. El-Metwaly

    OriginalPaper 21 May 2021 Pages: 717 - 725

    

23. Study of the Cu/SiO₂ Catalyst Prepared from Copper Phyllosilicate

    • Y. Xu
    • Y. Hu
    • H. Zhang

    OriginalPaper 21 May 2021 Pages: 726 - 731

    

24. Synthesis, Characterization, Antimicrobial, Antioxidant, Antidiabetic, Anticancer, and Cytotoxic Activities of Mixed Ligand Complexes of Vanadium(IV)

    • S. V. Gayakwad
    • D. R. Shejul
    • D. S. Wankhede

    OriginalPaper 21 May 2021 Pages: 732 - 738

25. Critical Parameters for Green Glycoluril Synthesis

    • R. S. B. Soares
    • L. R. R. Souza
    • K. Araki

    OriginalPaper 21 May 2021 Pages: 739 - 742

    

26. Single-Pot Ozonolytic Synthesis of Acylhydrazones from 1,1-Dichloro-2-ethenyl-2-methylcyclopropane

    • Yu. V. Myasoedova
    • L. R. Garifullina
    • G. Yu. Ishmuratov

    BriefCommunication 21 May 2021 Pages: 743 - 746

27. Synthesis and Structure of Nickel(II) Complex with Methyl-Substituted N₂O₂ Tetradentate Shiff Base

    • Yu. S. Danilova
    • V. A. Bykov
    • A. M. Timonov

    BriefCommunication 21 May 2021 Pages: 747 - 749

    

28. Synthesis of 2,3,5,6-Tetrakis(diphenylphosphinyl)pyridine: A Novel N,O-Donor Ligand with Unusual Complexing Properties

    • O. I. Artyushin
    • A. V. Vologzhanina
    • V. K. Brel

    BriefCommunication 21 May 2021 Pages: 750 - 752

    

29. Retraction Note to: Synthesis of Biologically Active Nickelocenyl–Amino Acid Conjugates Using 1,3-Dipolar Cycloaddition Click Reactions

    • M. A. Raza
    • M. Amin
    • A. Adnan

    Retraction Note 21 May 2021 Pages: 753 - 753

30. Erratum to: Synthesis and Antimicrobial Activity of New 4-Methyl-2-(3-pyridyl)thiazolyl Chalcones and Pyrazolines

    • S. Bondock
    • T. Nasr

    Erratum 21 May 2021 Pages: 754 - 754