1. о-Aminopyrimidine Aldehydes and Ketones: Synthesis and use as Precursors to Fused Pyrimidines

   • Alexander V. Komkov
   • Anna А. Sukhanova
   • Igor V. Zavarzin

   REVIEWS 30 November 2022 Pages: 547 - 566

   

2. Tetrahydroazepines with an annulated five-membered heteroaromatic ring

   • Ivanna Yu. Danyliuk
   • Mykhailo V. Vovk

   OriginalPaper 28 November 2022 Pages: 567 - 581

   

3. The synthesis of ortho-stilbazoles (2-styrylpyridines) (microreview)

   • Saveliy P. Sorokin
   • Oleg V. Ershov

   OriginalPaper 30 November 2022 Pages: 582 - 584

   

4. 4,5-Dihydro-1,2,4-triazin-6(1H)-ones (microreview)

   • Anna Kowalczyk
   • Marcin Jasiński

   OriginalPaper 30 November 2022 Pages: 585 - 587

   

5. A Regioselective Synthesis of 5-chloro-1-vinyl- and 3-alkenyl-5-chloro-1H-pyrazoles

   • Valentina А. Kobelevskaya
   • Ludmila I. Larina
   • Alexandr V. Popov

   OriginalPaper 28 November 2022 Pages: 588 - 597

   

6. Synthesis, structure, and biological activity of 4-hetaryl-2-pyrrolidones containing a pyrazole ring

   • Natal’ya V. Gorodnicheva
   • Olga S. Vasil’eva
   • Sergey V. Makarenko

   OriginalPaper 30 November 2022 Pages: 598 - 607

   

7. A new approach to pyrimidine-type heterocycles based on Petrenko–Kritschenko synthesis

   • Tung H. To
   • Dang B. Tran
   • Phong D. Tran

   OriginalPaper 28 November 2022 Pages: 608 - 614

   

8. Regioselective synthesis of 1-alkyl-4-methylsemithioglycolurils

   • Anton A. Galochkin
   • Alisa E. Pavlovskaya
   • Angelina N. Kravchenko

   OriginalPaper 28 November 2022 Pages: 615 - 620

   

9. A Structural Modification of Berberine Using CH Acids and Ethoxyethylenes Based on Them

   • Oleg D. Demekhin
   • Oleg N. Burov
   • Alena V. Trishina

   OriginalPaper 28 November 2022 Pages: 621 - 627

   

10. Imidazole ring formation and tertiary amine cleavage upon base-mediated nucleophilic substitution in 1,1,3-trichloro-1H-isoindole with α-(N-alkylamino) ketones

    • Olga V. Hordiyenko
    • Yuri V. Balitskyy
    • Svitlana V. Shishkina

    OriginalPaper 28 November 2022 Pages: 628 - 633

    

11. The reactions of electron-deficient 1Н-benzo[f]chromenes with 2,3-dimethylbenzothiazol-3-ium iodide

    • Kirill S. Korzhenko
    • Vitaly А. Osyanin
    • Yuri N. Klimochkin

    OriginalPaper 28 November 2022 Pages: 634 - 638

    

12. A simple and efficient synthesis of 1,3,6-trisubstituted pyrazoloquinolines via intramolecular cyclization – optimization studies

    • Mateusz Kucharek
    • Andrzej Danel
    • Arkadiusz Gut

    OriginalPaper 30 November 2022 Pages: 639 - 645

    

13. An AgOAc-catalyzed reaction of 3-nitro-2H-chromenes with ethyl diazoacetate: an efficient one-pot synthesis of ethyl 3,4-dihydrochromeno[3,4-c]pyrazole-1-carboxylates

    • Lyudmila S. Bykova
    • Ivan А. Kochnev
    • Vyacheslav Ya. Sosnovskikh

    OriginalPaper 28 November 2022 Pages: 646 - 650

    

14. [3+3] Cyclocondensation of β-carbonyl-substituted 1H-benzo[f]chromenes with 3-amino-1,2,4-triazoles: synthesis of [1,2,4]triazolo[1,5-a]pyrimidines

    • Dmitry V. Osipov
    • Kirill S. Korzhenko
    • Yuri N. Klimochkin

    OriginalPaper 28 November 2022 Pages: 651 - 655

    

15. A synthesis of carbonyl-substituted 4-aryl-4H-benzo[h]chromenes based on a three-component condensation of α-naphthol, aromatic aldehydes, and β-enaminones

    • Irina А. Semenova
    • Vitaly А. Osyanin
    • Yuri N. Klimochkin

    SHORT COMMUNICATION 30 November 2022 Pages: 656 - 660