1. Synthesis and reactivity of aminofuroxans

   • Dmitry M. Bystrov
   • Leonid L. Fershtat
   • Nina N. Makhova

   REVIEW 26 December 2019 Pages: 1143 - 1164

   

2. Synthetic methods for spirofuran-2(5H)-ones (microreview)

   • Seyed Sajad Sajadikhah
   • Saeed Zahmatkesh

   HETEROCYCLES IN FOCUS 24 December 2019 Pages: 1165 - 1167

   

3. Synthesis of pyrrolo[2,3-d]pyrimidines (microreview)

   • Seyed Sajad Sajadikhah
   • Abdolkarim Zare

   HETEROCYCLES IN FOCUS 26 December 2019 Pages: 1168 - 1170

   

4. Recent approaches to the synthesis of thieno[2,3-b]pyridines (microreview)

   • Seyed Sajad Sajadikhah
   • Ghasem Marandi

   OriginalPaper 26 December 2019 Pages: 1171 - 1173

   

5. Synthesis of aurone derivatives on the basis of 2,4,6-trihydroxytoluene

   • Dmitry A. Shubin
   • Dmitry N. Kuznetsov
   • Natal’ya L. Merkulova

   OriginalPaper 23 December 2019 Pages: 1174 - 1178

   

6. 6-Hydroxyaurone aminomethyl derivatives in the inverse electron-demand Diels–Alder reaction

   • Antonina V. Popova
   • Galyna P. Mrug
   • Mikhaylo S. Frasinyuk

   OriginalPaper 15 January 2020 Pages: 1179 - 1184

   

7. One-pot synthesis of 3-(pyridin-2-yl)-2,3-dihydroazetes via Rh(II)-catalyzed reaction of diazoesters with trimethylsilyl-protected 2-(pyridin-2-yl)-2H-azirines

   • Alexander N. Koronatov
   • Nikolai V. Rostovskii
   • Mikhail S. Novikov

   OriginalPaper 27 December 2019 Pages: 1185 - 1189

   

8. One-Pot Three-Component Synthesis of Polysubstituted Tetrahydroindoles

   • Nataliia V. Chechina
   • Nadezhda N. Kolos
   • Irina V. Omelchenko

   OriginalPaper 26 December 2019 Pages: 1190 - 1196

   

9. Synthesis of 1-(Adamantan-1-yl)-1H-1,2,3-Triazoles and their Salts by Adamantylation in AdOH–HClO₄ and AdOH–H₂SO₄ Systems

   • Gennady T. Sukhanov
   • Yuliya V. Filippova
   • Konstantin K. Bosov

   OriginalPaper 24 December 2019 Pages: 1197 - 1203

   

10. One-pot synthesis of quaternary pyridinium salts and tetrahydropyridine derivatives of fusidane triterpenoids

    • Elvira R. Shakurova
    • Elena V. Salimova
    • Lyudmila V. Parfenova

    OriginalPaper 26 December 2019 Pages: 1204 - 1210

    

11. A convenient synthesis method of 5-oxopyrazolo[4,3-b]pyridine-6-carboxylic acids and their nitriles

    • Georgiy G. Yakovenko
    • Oleh А. Lukianov
    • Mikhailo V. Vovk

    OriginalPaper 26 December 2019 Pages: 1211 - 1216

    

12. Rearrangement of thiazolo[3,2-a]pyrimidines into triazolo[4,3-a]pyrimidines induced by C=N bond reduction

    • Eugenia A. Lashmanova
    • Artem S. Agarkov
    • Andrey K. Shiryaev

    OriginalPaper 23 December 2019 Pages: 1217 - 1221

    

13. Catalytic Reaction of substituted 1,3-oxathiolanes with diazocarbonyl compounds

    • Gul’nur N. Sakhabutdinova
    • Gul’nara Z. Raskil’dina
    • Rimma M. Sultanova

    OriginalPaper 27 December 2019 Pages: 1222 - 1227

    

14. Simple one-pot synthesis of 5-(chloromethyl)isoxazoles from aldoximes and 2,3-dichloro-1-propene

    • Evgeniy V. Kondrashov
    • Nina S. Shatokhina

    OriginalPaper 26 December 2019 Pages: 1228 - 1232

    

15. 3-Amino-4-[5-(chloromethyl)-1,2,4-oxadiazol-3-yl]furazan –a multifunctional synthon for the synthesis of 1,2,5-oxadiazole derivatives

    • Andrei I. Stepanov
    • Dmitry V. Dashko
    • Elena V. Stepanova

    OriginalPaper 28 December 2019 Pages: 1233 - 1244

    

16. Synthesis of pyridone-substituted furan-2(5H)-ones and their intramolecular cyclization to afford furo[3,4-f]isoquinolines

    • Robert M. Hakobyan
    • Sargis S. Hayotsyan
    • Gagik S. Melikyan

    OriginalPaper 26 December 2019 Pages: 1245 - 1250

    

17. β-(Cycloalkylamino)ethanesulfonyl azides as novel water-soluble reagents for the synthesis of diazo compounds and heterocycles

    • Yuri M. Shafran
    • Pavel S. Silaichev
    • Vasiliy A. Bakulev

    OriginalPaper 26 December 2019 Pages: 1251 - 1261

    

18. Synthesis, Optical and Electrochemical Properties of D¹–A–D²–A–D¹ Type Conjugated Donor-Acceptor Assemblies of Five-Membered Aromatic Heterocycles

    • Anastasia S. Kostyuchenko
    • Evgeny B. Ulyankin
    • Aleksander S. Fisyuk

    OriginalPaper 23 December 2019 Pages: 1262 - 1268

    

19. The Products of Suzuki Reaction of Ethyl 4-Chloro-5-Methylthieno[2,3-d]Pyrimidine-6-Carboxylate with Potassium Allyltrifluoroborate and Transformations Thereof

    • Konstantin Yu. Krolenko
    • Sergiy V. Vlasov

    OriginalPaper 23 December 2019 Pages: 1269 - 1273

    

20. A convenient method for efficient synthesis of isoxazole-containing thiadiazepine derivatives

    • Aleksandr V. Pavliuk
    • Yurii V. Bezugly
    • Vladimir I. Kashkovsky

    OriginalPaper 23 December 2019 Pages: 1274 - 1277

    

21. Synthesis of Polysubstituted Pyrroles by the Reaction of Enaminoketones, Arylglyoxals, and N,N-Dimethylbarbituric Acid

    • Nadezhda N. Kolos
    • Nataliia V. Chechina

    SHORT COMMUNICATIONS 23 December 2019 Pages: 1278 - 1280

    

22. Synthesis of some heptazine derivatives

    • Kristīne Krūkle-Bērziņa
    • Kārlis Bērziņš
    • Kirill Shubin

    OriginalPaper 24 December 2019 Pages: 1281 - 1284

    

23. Jānis Stradiņš (December 10, 1933 – November 29, 2019)

    IN MEMORIAM 26 December 2019 Pages: 1285 - 1286