1. Synthesis and Structural Study of Dichlorodiazadienes Derived from 4-Methoxybenzaldehyde

   • N. G. Shikhaliyev
   • U. F. Askerova
   • V. G. Nenajdenko

   OriginalPaper 24 April 2020 Pages: 185 - 192

   

2. Synthesis of Oxirane Derivatives of 1H-Pyrrole-2,3-diones

   • A. A. Moroz
   • V. E. Zhulanov
   • A. N. Maslivets

   OriginalPaper 24 April 2020 Pages: 193 - 196

3. Baeyer–Villiger Oxidation of Diastereomeric Michael Adducts of Levoglucosenone into Dilactones

   • L. Kh. Faizullina
   • Yu. S. Galimova
   • F. A. Valeev

   OriginalPaper 24 April 2020 Pages: 197 - 201

4. Unusual Reaction of 8-Bromo-3-methyl-7-(thietan-3-yl)3,7-dihydro-1H-purine-2,6-diones with Trisamine in Dimethylformamide

   • F. А. Khaliullin
   • Yu. V. Shabalina

   OriginalPaper 24 April 2020 Pages: 202 - 206

5. Preparative Monomethylation of 2,3,5,6,7,8-Hexahydroxynaphthalene-1,4-dione (Spinochrome E). The First Direct Synthesis of Namakochrome: the Natural Pigment of the Holothurian Polycheira rufescens

   • S. G. Polonik
   • V. A. Denisenko
   • Y. E. Sabutskii

   OriginalPaper 24 April 2020 Pages: 207 - 212

   

6. Synthesis of Novel Spiro[chromene-4,3'-indolines] and Spiro(indoline-3,4'-pyrano[3,2-h]quinolines)

   • S. A. Pogosyan
   • M. V. Pogosyan
   • A. A. Harutyunyan

   OriginalPaper 24 April 2020 Pages: 213 - 217

7. Synthesis of 2,3,5-Substituted 1H-Pyrroles by a Cp₂TiCl₂-catalyzed Multicomponent Reaction of Terminal Alkynes with Nitriles and EtAlCl₂

   • L. O. Khafizova
   • M. G. Shaibakova
   • U. M. Dzhemilev

   OriginalPaper 24 April 2020 Pages: 218 - 224

   

8. From Acylethynylpyrroles to Pyrrolo[1,2-a]pyrazines in One Step

   • E. F. Sagitova
   • L. N. Sobenina
   • B. A. Trofimov

   OriginalPaper 24 April 2020 Pages: 225 - 233

9. Synthesis of Isoxazolo[5',4':3,4]pyrrolo[1,2-a]azepines via N-Acyliminium Cyclization

   • L. V. Lenshmidt
   • M. S. Ledovskaya
   • A. V. Stepakov

   OriginalPaper 24 April 2020 Pages: 234 - 245

   

10. Synthesis and Biological Activity of Sulfamidoand Alkoxycarbonyl-substituted Nicotinic Acid Esters

    • A. A. Makhmudova

    OriginalPaper 24 April 2020 Pages: 246 - 250

    

11. Synthesis and Properties of Methyl 3,4-Epoxy-3,11-dioxo-3,4seco-18β-olean-12-ene-30-carboxylate in a New Reaction of Organoaluminium Compounds

    • V. A. Vydrina
    • A. A. Kravchenko
    • G. Yu. Ishmuratov

    OriginalPaper 24 April 2020 Pages: 251 - 254

12. 1,8-Diazabicyclo[5.4.0]undec-7-ene-Promoted Oxidation by Atmospheric Oxygen of an Allylsilane Derived from γ-Formyl-Substituted Cyclopentene

    • A. M. Gimazetdinov
    • A. Z. Al’mukhametov
    • M. S. Miftakhov

    OriginalPaper 24 April 2020 Pages: 255 - 260

13. Synthesis of Hetarylquinolines Derived from 2-[(4-Methylquinolin-2-yl)sulfanyl]acetohydrazides Substituted in the Benzene Ring

    • I. L. Aleksanyan
    • L. P. Hambardzumyan

    OriginalPaper 24 April 2020 Pages: 261 - 264

14. Synthesis of Novel Combined Heterocyclic Systems Derived from 2-[(2-Methylquinolin4-yl)sulfanyl]acetohydrazides Substituted in the Benzene Ring

    • I. L. Aleksanyan
    • L. P. Hambardzumyan

    OriginalPaper 24 April 2020 Pages: 265 - 268

15. Anil Synthesis in the Design of Push−Pull Systems. Synthesis of 2- and 4-(4-Styrylphenyl)-substituted Diphenylpyrimidines

    • A. A. Harutyunyan
    • H. A. Panosyan
    • G. G. Danagulyan

    OriginalPaper 24 April 2020 Pages: 269 - 275

    

16. Catalytic Cyclothiomethylation of Diamides and Dihydrazides of (Thio)carbonic Acid Using Bis(dimethylamino)methane, H₂S, and Na₂S·9H₂O

    • R. R. Khairullina
    • T. V. Tyumkina
    • А. G. Ibragimov

    OriginalPaper 24 April 2020 Pages: 276 - 280

    

17. Synthesis and Antibacterial Activity of Novel (4-Methoxyphenyl)-tetrahydropyranyl-substituted 1,3,4-Oxadiazoles

    • А. А. Aghekyan
    • G. G. Mkryan
    • H. M. Stepanyan

    OriginalPaper 24 April 2020 Pages: 281 - 286

18. Primary Amine–Promoted Ring Opening in Carbapenem-derived p-Nitrobenzyl Esters

    • Z. R. Valiullina
    • А. М. Galeeva
    • М. S. Miftakhov

    OriginalPaper 24 April 2020 Pages: 287 - 291

    

19. A Facile Approach to the Synthesis of Benzothiazoles from N-Protected Amino Acids

    • M. Arfan
    • A. Tahira
    • T. Fatima

    OriginalPaper 24 April 2020 Pages: 292 - 297

20. A Brønsted Acid Ionic Liquid Immobilized on Fe₃O₄@SiO₂ Nanoparticles as an Efficient and Reusable Solid Acid Catalyst for the Synthesis of 2,3-Dihydroquinazolin-4(1H)-ones

    • M. Fallah-Mehrjardi
    • S. Kalantari

    OriginalPaper 24 April 2020 Pages: 298 - 306

    

21. Reactivity and Anticancer Assessment of 4-Hydroxyquinoline Derivatives

    • M. K. A. Regal
    • S. S. Shabana
    • S. A. El-Metwally

    OriginalPaper 24 April 2020 Pages: 307 - 314

22. A Simple and Highly Versatile Procedure for the Knoevenagel Condensation Promoted by an Efficient, Eco-Friendly, and Recyclable nano-ZnO Catalyst

    • S. Tasqeeruddin
    • Ya. I. Asiri
    • S. Sh. Sulthana

    OriginalPaper 24 April 2020 Pages: 315 - 321

    

23. Synthesis of New Derivatives of 4-Methyl-3-nitro-6H-pyrimido[2,1-b]quinazoline

    • S. M. Banihashemi
    • H. Hassani
    • J. Lari

    OriginalPaper 24 April 2020 Pages: 322 - 326

24. Synthesis, Spectral Characteristics, and Biological Activity of 1,3-Oxazepines and 1,3-Oxazepanes Derived from 6-Nitrobenzothiazol-2-amine

    • S. K. Abbas
    • H. D. Hanoon
    • S. M. Radhi

    OriginalPaper 24 April 2020 Pages: 327 - 331

25. Recyclization of Pyrrolo[2,1-a][1,4]oxazinetriones under the Action of o-Phenylenediamine. Synthesis of 3-(Pyrrolyl)quinoxalinones

    • N. A. Tretyakov
    • A. N. Maslivets

    OriginalPaper 24 April 2020 Pages: 332 - 334

26. Polynuclear Aromatic Amines as N-Nucleophiles in the ipso-Substitution of the Cyano Group in 1,2,4-Triazines

    • E. S. Starnovskaya
    • M. I. Savchuk
    • O. N. Chupakhin

    OriginalPaper 24 April 2020 Pages: 335 - 338

27. Alkyl-substituted 1,1'-Dihydroxy-2,2'bimidazoles: Reactions with Methyl Iodide and Trimethyl Phosphite

    • I. A. Os’kina
    • A. Ya. Tikhonov

    OriginalPaper 24 April 2020 Pages: 339 - 342

28. Three-Component Synthesis and Ring–Chain Tautomerism of Pyrido[1,2-a]pyrimidinecarbonitriles

    • M. A. Ivonin
    • V. V. Sorokin

    OriginalPaper 24 April 2020 Pages: 343 - 345

29. Synthesis of Cyclopropylmethyl Esters of Maleopimaric Acid and Diketocage Derivatives of Quinopimaric Acid by a Catalytic Reaction of the Corresponding Allyl Esters with Diazomethane

    • G. F. Vafina
    • M. D. Khanova

    OriginalPaper 24 April 2020 Pages: 346 - 349

30. Solid-Phase ortho-Hydroxylation of 2,4-Di-tert-butylphenol and Its Derivatives

    • V. B. Vol’eva
    • V. A. Zhorin
    • L. N. Kurkovskaya

    OriginalPaper 24 April 2020 Pages: 350 - 352

31. Synthesis of Mixed Secondary and Tertiary Amines

    • E. O. Chukhajian
    • L. V. Ayrapetyan
    • H. A. Panosyan

    OriginalPaper 24 April 2020 Pages: 353 - 355

32. Synthesis of Substituted 4-(Thiophen-2-yl)nicotinonitriles

    • R. M. Hakobyan
    • H. S. Attaryan
    • S. S. Hayotsyan

    OriginalPaper 24 April 2020 Pages: 356 - 360