1. Amino-α,β-unsaturated ethylenic and acetylenic carbonyl compounds as synthons for the assembly of heterocycles (review)

   • I. A. Maretina
   • G. V. Asratyan
   • N. G. Ostroumov

   ReviewPaper Pages: 717 - 727

2. Chemistry of heteroanalogs of isoflavones 13. 1,3-Benzodioxan analogs of flavonoids

   • V. P. Khilya
   • Kh. Al'. Budi
   • D. Litken

   OriginalPaper Pages: 728 - 735

3. Heterocyclic bioantioxidants 4. Chlorolysis of 3-nitro-4-s-benzylcoumarin

   • E. A. Parfenov
   • L. D. Smirnov

   OriginalPaper Pages: 736 - 737

4. Reduction of 2-oxa-3,7-diazabicyclo[3.3.0]octanes

   • L. N. Zharkikh
   • G. F. Muzychenko
   • A. V. Ignatenko

   OriginalPaper Pages: 738 - 741

5. Synthesis of 3,6,7-triazabicyclo[3.3.0]octenes by 1,3-cycloaddition with N-arylpyrrolidin-2-ones

   • G. F. Muzychenko
   • V. G. Kul'nevich
   • A. V. Ignatenko

   OriginalPaper Pages: 742 - 745

6. Reaction of a 2-aminoindole with difunctional compounds

   • Yu. N. Portnov
   • S. N. Bulaga
   • V. G. Zabrodnyaya

   OriginalPaper Pages: 746 - 749

7. Synthesis, structure, and tautomerism of 3a,7-dimethyl-4,6-diphenyl-2-ethynyl-7a-hydroxyperhydropyrrolo[3,2-c]pyridine

   • A. É. Aliev
   • T. N. Borisova
   • A. V. Varlamov

   OriginalPaper Pages: 750 - 760

8. Conversions of 9-chloro-4-azafluorene to azalenes

   • N. S. Prostakov
   • E. V. Kruglyak
   • L. A. Murugova

   OriginalPaper Pages: 761 - 765

9. Recyclization of pyrrolo[1,2-a]pyrazinium salts into 6- and 8-aminoindolizines

   • V. I. Terenin
   • E. V. Kabanova
   • Yu. G. Bundel'

   OriginalPaper Pages: 766 - 771

10. Synthesis and transformations of polyhedral compounds. 14. Opening of hexahydropyrimidine ring of 2-substituted 1,3-diazaadamantanes by electrophilic reagents

    • Ts. E. Agadzhanyan
    • A. D. Arutyunyan
    • G. L. Arutyunyan

    OriginalPaper Pages: 772 - 775

11. Molecular structure and tautomeric conversions of 5-(4-dimethylaminophenyl)-7-phenyl-6,7-dihydro-1,2,4-triazolo[1,5-a]pyrimidine

    • S. M. Desenko
    • V. D. Orlov
    • Yu. T. Struchkov

    OriginalPaper Pages: 776 - 778

12. Study of the prototropic tautomerism in the 1,2,4-triazino[2,3-a]benzimidazol-(4h)-3-one system

    • N. A. Klyuev
    • M. V. Povstyanoi
    • V. P. Kruglenko

    OriginalPaper Pages: 779 - 784

13. Electrochemical reduction of N-nitroaminotetrazoles

    • S. S. Gordeichuk
    • V. N. Leibzon
    • A. G. Mayants

    OriginalPaper Pages: 785 - 787

14. Reactions of 5,6-diamino-1,3-dimethyluracil with halogen derivatives of chalcones

    • V. D. Orlov
    • N. N. Kolos
    • S. M. Ivkov

    OriginalPaper Pages: 788 - 794

15. Synthesis of halogen substituted imidazo[4,5-e][1,4]diazepine-5,8-diones. Cyclic homologs of methylxanthines

    • É. I. Ivanov
    • G. D. Kalayanov
    • I. M. Yaroshchenko

    OriginalPaper Pages: 795 - 797

16. Synthesis and spectral properties of n-alkyl-4-methyl-7(8)-nitro-2,3,4,5-tetrahydro-(1h)-1,5-benzodiazepin-2-ones

    • B. A. Puodzhyunaite
    • R. A. Yanchene
    • G. Dzhumakuliev

    OriginalPaper Pages: 798 - 802

17. Rearrangements of 1-oxa-2-azoles 8. Synthesis and rearrangement of amidrazones of 1,2,4-oxadiazole-3-carboxylic acid

    • V. G. Andrianov
    • V. G. Semenikhina
    • A. V. Eremeev

    OriginalPaper Pages: 803 - 807

18. Rearrangements of 1-oxa-2-azoles 9. Rearrangements of hydrazidoximes of 1,2,4-oxadiazole-3-carboxylic acid

    • V. G. Andrianov
    • V. G. Semenikhina
    • A. V. Eremeev

    OriginalPaper Pages: 808 - 812

19. Synthesis and structure of 9,10,11,12-Dibenz[a,c]-7,14-diaza-1,4-dioxacyclohexadecane-8,13-dione

    • A. A. Dvorkin
    • É. V. Ganin
    • T. I. Malinovskii

    OriginalPaper Pages: 813 - 817

20. Generation and cyclization of α-diazocarbothioimidates. Synthesis and structure of derivatives of 5-mercapto-1,2,3-triazole

    • E. F. Dankova
    • V. A. Bakulev
    • K. M. Beketov

    OriginalPaper Pages: 818 - 822

21. Investigation of the ring-chain tautomerism of alkyl-substituted 6-hydroxytetrahydro-1,3-thiazine-2-thiones by IR spectroscopy and mass spectrometry

    • A. S. Fisyuk
    • A. S. Moskovkin
    • B. V. Unkovskii

    OriginalPaper Pages: 823 - 828

22. Synthesis of 2-methylthio-4H-1,3-thiazines

    • A. S. Fisyuk
    • B. V. Unkovskii

    OriginalPaper Pages: 829 - 831

23. Synthesis of 1,3,4,6,7,11b-hexahydro[1,4]thiazino[3,4,-a]-isoquinolin-4-one, an analog of prasiquantel

    • S. A. Chernyak
    • O. V. Shekhter
    • Yu. S. Tsizin

    OriginalPaper Pages: 832 - 834

24. New recyclization reaction of difurylarylmethanes

    • A. V. Butin
    • V. E. Zavodnik
    • V. G. Kul'nevich

    Letters to the Editor Pages: 835 - 836

25. Synthesis of 1-alkylthio-3H-indolizin-3-ones

    • B. A. Trofimov
    • L. N. Sobenina
    • N. I. Golovanova

    Letters to the Editor Pages: 837 - 837

26. Formation of 1-aryl-2-chloromethylene-1,2,3,4-tetrahydropyridines and isomerization to 1,4-dihydropyridines

    • B. S. Chekavichus
    • I. S. Birgele
    • G. Ya. Dubur

    Letters to the Editor Pages: 838 - 839

27. 3-Aryl-5,5-dimethyl-5,6-dihydro-1,2,4-triazolo[3,4-a]isoquinolines: A new example of atropo isomerism

    • A. A. Gorbunov
    • V. S. Shklyaev
    • Yu. V. Shklyaev

    Letters to the Editor Pages: 840 - 841

28. Synthesis of 6-acylmethylhexahydro-1,2,4,5-tetrazine-3-thiones

    • A. S. Nakhmanovich
    • T. E. Glotova

    Letters to the Editor Pages: 842 - 842

29. Synthesis of mercapto-substituted diazacrown ethers

    • A. I. Ismiev
    • M. A. Allakhverdiev
    • A. M. Magerramov

    Letters to the Editor Pages: 843 - 843