1. Cyclization of α- and β-amino ketones. (Review)

   • I. K. Moiseev
   • N. V. Makarova
   • M. N. Zemtsova

   ReviewPaper Pages: 637 - 649

2. New method for synthesis of 2,5-disubstituted thiophenes

   • T. I. Gubina
   • B. I. Drevko
   • V. G. Kharchenko

   OriginalPaper Pages: 650 - 652

3. The mechanism of nucleophilic substitution in halopyrylium and halobenzopyrylium salts

   • A. I. Fomenko
   • V. N. Storozhenko
   • O. Yu. Okhlobystin

   OriginalPaper Pages: 653 - 657

4. Chemistry of heteroanalogs of isoflavones. 23. Synthesis of aminoacyl derivatives of 3-phenoxychromone

   • M. M. Garazd
   • V. V. Arkhipov
   • V. P. Khilya

   OriginalPaper Pages: 658 - 662

5. Photochemical oxidation of 4h-seleno(thio)pyrans

   • B. I. Drevko
   • L. A. Fomenko
   • V. G. Kharchenko

   OriginalPaper Pages: 663 - 665

6. New views on hydrazone-enehydrazine tautomerism

   • J. A. Kereselidze

   OriginalPaper Pages: 666 - 670

7. Synthesis of 3-R²-4-R¹-acetyl-(ethoxycarbonyl)-6-hydroxy-6-methylindazoles

   • V. V. Sorokin
   • A. V. Grigor'ev
   • A. P. Krivenko

   OriginalPaper Pages: 671 - 673

8. Investigation of the reaction of 1-adamantyl bromomethyl ketone with azoles

   • A. A. Danilin
   • P. P. Purygin
   • I. K. Moiseev

   OriginalPaper Pages: 674 - 676

9. The¹³C NMR, UV and IR spectra of 2-fluoropyridine methyl derivatives

   • A. Puszko
   • H. Ciurla

   OriginalPaper Pages: 677 - 687

10. Synthesis of pyridine derivatives by the three-component condensation of a β-dicarbonyl compound, β-enaminocarbonyl compound, and ethyl orthoformate

    • A. N. Pyrko

    OriginalPaper Pages: 688 - 694

11. ab initio calculations of the electronic effects in chloropyrimidines and chloropyrazines

    • V. P. Feshin
    • E. V. Feshina

    OriginalPaper Pages: 695 - 698

12. Indolopyridines with an angular heteroatom. 11. Synthesis of 12-arylidenindolo-[2,1-a]isoquinolinium salts

    • A. T. Soldatenkov
    • Zh. Ntaganda
    • N. I. Golovtsov

    OriginalPaper Pages: 699 - 702

13. Pyrazolo-4-azaphenanthrenes

    • A. V. Varlamov
    • S. V. Gozun
    • N. I. Golovtsov

    OriginalPaper Pages: 703 - 707

14. Stable 1,2,4-triazolo[1,5-a]-pyrimidinium salts

    • N. N. Kolos
    • V. D. Orlov
    • N. A. Kvashnitskaya

    OriginalPaper Pages: 708 - 715

15. Aryl-substituted 1,10b-dihydro-5H-pyrazolo[1,5-c]-1,3-benzoxazines

    • S. M. Desenko
    • N. V. Getmanskii
    • V. D. Orlov

    OriginalPaper Pages: 716 - 721

16. 2-(3-ethyl-2,2-dimethylcyclobutyl-methyl)-4(3H)-quinazolinones

    • F. M. Avotin'sh
    • M. V. Petrova
    • A. Ya. Strakov

    OriginalPaper Pages: 722 - 728

17. Synthesis of [1,3]benzoxazino[2,3-k-and [2,4]benzodiazepino[3,2-k]-carbazole derivatives

    • A. Shachkus
    • S. Krikshtolaitite
    • V. Martinaitis

    OriginalPaper Pages: 729 - 732

18. Nitrogen and sulfur containing heterocycles. 50. Synthesis and reactions of 6-oxopyrimido[4,5-b][1,4]thiazine-7-carboxylic acid derivatives

    • T. S. Safonova
    • A. F. Keremov

    OriginalPaper Pages: 733 - 739

19. Some reactions of 8,11,11-trimethyl-11-silabenzo[b]naphtho-[2,3-d]thiophen-6-one at the carbonyl group

    • V. M. Polosin
    • A. A. Astakhov
    • V. A. Tafeenko

    OriginalPaper Pages: 740 - 745

20. Unusual conversion of substituted 5-oxo-5,6,7,8-tetrahydro-4H-thiochromenes with phosphorus pentachloride

    • L. I. Markova
    • N. G. Korobochkina
    • V. G. Kharchenko

    Letters to the Editor Pages: 746 - 747

21. Tautomerism of 4-acyl-2-phenyl-2-pyrazolidin-3-ones

    • S. V. Oleinik
    • K. N. Zelenin
    • A. A. Potekhin

    Letters to the Editor Pages: 748 - 749

22. Unexpected 5-acetyl-4-hydroxy-4,5-dimethyl-hexahydropyrimidine-2-thione ring cleavage by the action of bases

    • A. D. Shutalev
    • E. A. Kishko
    • S. G. Alekseeva

    Letters to the Editor Pages: 750 - 751

23. Synthesis and reactions of 3-(6-amino-2-pyridyl)-2-methyl-4(3H)-quinazolinone

    • A. Ya. Strakov
    • N. N. Tonkikh
    • F. M. Avotin'sh

    Letters to the Editor Pages: 752 - 754

24. Reaction of 2,2,4,5-tetramethyl-1,3-dioxa-2-silacyclohexane with thionyl chloride

    • V. V. Kuznetsov
    • S. A. Bochkor

    Letters to the Editor Pages: 755 - 755