1. Carbocation Catalysis of Organic Reactions

   • G. I. Borodkin
   • I. R. Elanov
   • V. G. Shubin

   ReviewPaper 02 April 2021 Pages: 301 - 326

   

2. Synthesis and Properties of N,N′-Disubstituted Ureas and Their Isosteric Analogs Containing Polycyclic Fragments: VIII. Synthesis and Properties of N-[(3-Chloroadamantan-1-yl)methyl]-N′-(Fluoro, chlorophenyl)ureas and Symmetrical Bis-ureas

   • D. V. Danilov
   • V. V. Burmistrov
   • G. M. Butov

   OriginalPaper 02 April 2021 Pages: 327 - 337

   

3. Reactivity of Inorganic α-Nucleophiles in Acyl Transfer Processes in Water and Surfactant Micelles: III. Systems Based on Dimeric Cationic Imidazolium Surfactants in Alkaline Hydrolysis of Ethyl 4-Nitrophenyl Ethylphosphonate

   • I. A. Belousova
   • T. M. Zubareva
   • V. A. Mikhailov

   OriginalPaper 02 April 2021 Pages: 338 - 346

   

4. Mass Spectra of New Heterocycles: XXII. Electron Impact and Chemical Ionization of 1-Alkyl(cycloalkyl, alkoxyalkyl)-5-[(alkyl, allyl, benzyl)sulfanyl]-1H-pyrrol-2-amines

   • L. V. Klyba
   • N. A. Nedolya
   • O. A. Tarasova

   OriginalPaper 02 April 2021 Pages: 347 - 354

5. Reactions of Cage Substrates with Sulfur Nucleophiles

   • Yu. N. Klimochkin
   • E. A. Ivleva
   • V. A. Shiryaev

   OriginalPaper 02 April 2021 Pages: 355 - 363

6. Condensation of 2-Amino-1,3-thiazole Salts and Benzo Analogs with Trifluoroacetylacetone

   • S. I. Shulga
   • N. V. Simurova
   • O. S. Shulga

   OriginalPaper 02 April 2021 Pages: 364 - 368

   

7. Alternative Synthetic Routes to Dioxolanes and Thiadiazines

   • M. D. Isobaev
   • E. Kh. Pulatov
   • M. I. Jumaeva

   OriginalPaper 02 April 2021 Pages: 369 - 375

   

8. Organocatalytic Enamine–Azide Addition Reaction in the Synthesis of 1,4,5-Trisubstituted 1,2,3-Triazoles

   • T. V. Sokolnikova
   • A. G. Proidakov
   • V. N. Kizhnyaev

   OriginalPaper 02 April 2021 Pages: 376 - 382

   

9. Synthesis and Some Reactions of 3-Aminospiro[benzo[h]quinazoline-5,1′-cycloheptanes]

   • A. I. Markosyan
   • A. S. Ayvazyan
   • S. S. Mamyan

   OriginalPaper 02 April 2021 Pages: 383 - 390

10. Synthesis of Tetrazole and 1,2,4-Oxadiazole Derivatives of Maleopimaric Acid Methyl Ester

    • E. V. Tret’yakova

    OriginalPaper 02 April 2021 Pages: 391 - 395

11. Synthesis of 3-Phenyl-1H-[1,4]oxazino[4,3-a]benzimidazol-1-one and Its Transformation into 4-Phenyl-2,5-dihydro-1H-[1,2,5]triazepino[5,4-a]benzimidazol-1-one

    • A. O. Kharaneko
    • T. M. Pekhtereva
    • O. I. Kharaneko

    OriginalPaper 02 April 2021 Pages: 396 - 401

12. Synthesis of Tetrazole Derivatives

    • S. Sathishkumar
    • K. Gayathri

    ReviewPaper 02 April 2021 Pages: 402 - 416

13. Four Three-winged Nitrogenous Heterocyclic Derivatives of Citric Acid Scaffold: The First Synthesis and Characterization of These Newly Discovered Fan-like Compounds

    • A. M. Rabie

    OriginalPaper 02 April 2021 Pages: 417 - 421

    

14. Synthesis of Substituted Phenethylamine-Based Thioureas and Their Antimicrobial and Antioxidant Properties

    • B. Özgeriş

    OriginalPaper 02 April 2021 Pages: 422 - 429

    

15. Synthesis and Biological Evaluation of Pyrrolo[2,3-d]pyrimidine Derivatives as a Novel Class of Antimicrobial and Antiviral Agents

    • K. Hilmy
    • M. Tag
    • H. Attia

    OriginalPaper 02 April 2021 Pages: 430 - 439

16. Synthesis of 3H-[1]Benzofuro[2,3-b]imidazo[4,5-f]quinolines as New Fluorescent Heterocyclic Systems for Dye-Sensitized Solar Cells

    • P. Sadeghzadeh
    • M. Pordel
    • A. Davoodnia

    OriginalPaper 02 April 2021 Pages: 440 - 447

    

17. Design, Synthesis, and Antimicrobial and Antioxidant Activities of Some New Dihydrotetrazole, Dihydroquinazolin-4-one, and 1,3-Benzothiazin-4-one Derivatives Based on 6-Amino-1,3-dimethyluracil

    • H. J. Al-Adhami
    • S. M. H. Al-Majidi

    OriginalPaper 02 April 2021 Pages: 448 - 454

18. A Novel Synthesis of Sex Pheromone from the Longicorn Beetle (Psacothea hilaris)

    • Guo-Guo He
    • Bao-Qi Rao
    • Zhen-Ting Du

    OriginalPaper 02 April 2021 Pages: 455 - 461

19. Synthesis of Propargyl Compounds and Their Cytotoxic Activity

    • N. V. Tai
    • P. M. Quan
    • L. V. Chinh

    OriginalPaper 02 April 2021 Pages: 462 - 468

20. Multicomponent Synthesis of Novel Functionalized Pyrano[2′,3′:4,5]pyrimido[1,6-b][1,2,4,5]triazaphosphinines

    • T. E. Ali
    • D. A. Bakhotmah
    • H. Y. Zahran

    OriginalPaper 02 April 2021 Pages: 469 - 475

    

21. 1,1,1-Trifluoro-N-phenyl-N-(1H-tetrazol-5-ylmethyl)­methanesulfonamide

    • L. L. Tolstikova
    • B. A. Shainyan

    BriefCommunication 02 April 2021 Pages: 476 - 478

22. New Fluorine-Containing Derivatives of 4-Anilino-2-(methylsulfanyl)quinazolines

    • E. V. Nosova
    • Yu. V. Permyakova
    • V. N. Charushin

    BriefCommunication 02 April 2021 Pages: 479 - 482

23. Reaction of 4-Halo-3-hydroxyfuro[3,4-c]pyridin-1(3H)-ones with Morpholine and Thiomorpholine

    • S. V. Fedoseev
    • O. E. Ershov

    BriefCommunication 02 April 2021 Pages: 483 - 485

24. Synthesis and Unexpected Transformation of 5-[(1,3-Dioxolan-2-ylmethyl)sulfanyl]-1H-pyrrol-2-amine into 5-{[2-(2-Hydroxyethoxy)ethenyl]sulfanyl}-1H-pyrrol-2-amine in the Presence of a Superbase

    • N. A. Nedolya
    • O. A. Tarasova
    • B. A. Trofimov

    BriefCommunication 02 April 2021 Pages: 486 - 489