1. Borylation of saturated heterocycles with several heteroatoms. (Review)

   • V. V. Kuznetsov

   ReviewPaper Pages: 559 - 569

2. Hydrogenation of ethyl esters of 4-phenyl-and (2-furyl)-substituted 2,4-dioxobutyric acids at palladium black

   • V. Slavinska
   • Dz. Sile
   • E. Lukevics

   OriginalPaper Pages: 570 - 573

3. Reactions of 4-chloro-3-formyl-coumarin with primary amines

   • I. Strakova
   • M. Petrova
   • A. Strakovs

   OriginalPaper Pages: 574 - 582

4. Synthesis of new 1H-1,2,4-triazolylcoumarins and their antitumor and anti-HIV activities

   • Y. A. Al-Soud
   • I. A. Al-Masoudi
   • N. A. Al-Masoudi

   OriginalPaper Pages: 583 - 590

5. 1,3,4,6-Tetramethyl-2,5-dioxabicyclo-[2.2.2]octane-3,6-diol: An example of a new bicyclic hemiketal

   • M. V. Mavrov
   • S. G. Zlotin

   OriginalPaper Pages: 591 - 593

6. Novel synthesis of 2-amino-3-hetaryl-4(5H)-oxothiophenes

   • Yu. M. Volovenko
   • T. A. Volovnenko
   • A. V. Dobrydnev

   OriginalPaper Pages: 594 - 599

7. Polyfunctional pyrazoles. 4. Synthesis of 3-[3-aryl-1-(2-ethoxycarbonyl)-4-pyrazolyl]acrylic and-propionic acids

   • M. K. Bratenko
   • V. A. Chornous
   • M. V. Vovk

   OriginalPaper Pages: 600 - 604

8. Heterocyclic analogs of 5,12-naphthacenequinone. 2. Synthesis of 4,11-dihydroxynaphtho[2,3-f]indazole-5,10-dione and its n-methyl derivatives

   • A. E. Shchekotikhin
   • Yu. N. Luzikov
   • M. N. Preobrazhenskaya

   OriginalPaper Pages: 605 - 610

9. Synthesis and tuberculostatic activity of new benzimidazole derivatives

   • H. Foks
   • D. Pancechowska-Ksepko
   • M. Janowiec

   OriginalPaper Pages: 611 - 614

10. Synthesis and cyclization of 1-arylalk-1-ene-3,5-diynylamines

    • V. N. Sorokoumov
    • S. N. Morozkina
    • I. A. Balova

    OriginalPaper Pages: 615 - 624

11. Synthesis, characterization, and biological activities of some 3,5,6-trichloropyridine derivatives

    • V. P. Chavan
    • S. A. Sonawane
    • B. K. Karale

    OriginalPaper Pages: 625 - 630

12. 4-hydroxy-2-quinolones. 94. Improved synthesis and structure of 1-hydroxy-3-oxo-5,6-dihydro-3h-pyrrolo[3,2,1-i,j]-quinoline-2-carboxylic acid ethyl ester

    • I. V. Ukrainets
    • L. V. Sidorenko
    • O. V. Shishkin

    OriginalPaper Pages: 631 - 635

13. Oxidative reactions of azines. 12. Dehydrogenation and oxidation of 2-methyl-9-phenyl-2,3-dihydro-1H-2-azafluorene

    • S. V. Volkov
    • A. N. Levov
    • A. T. Soldatenkov

    OriginalPaper Pages: 636 - 641

14. sym-triazines. 7. Hydrolysis and cyclization of 1,3,5-triazine series mononitriles

    • S. N. Mikhailichenko
    • A. A. Chesnyuk
    • V. N. Zaplishny

    OriginalPaper Pages: 642 - 647

15. Synthesis of 4-and 5-substituted 2-methyl-and 2-(2-carboxyethyl)-1,2,4-triazino-[2,3-a]benzimidazol-4(5)H-3-ones

    • T. A. Kuz’menko
    • V. V. Kuz’menko
    • L. N. Divaeva

    OriginalPaper Pages: 648 - 656

16. Basicity of 2-phenyl-5-R-1,3,4-oxadiazoles

    • R. E. Trifonov
    • V. A. Ostrovskii

    OriginalPaper Pages: 657 - 664

17. Diastereoselective reaction of (1S,2S)-2-amino-1-(4-nitrophenyl)-1,3-propanediol with aromatic aldehydes. Synthesis of (1R,2R,4S,5S,8S)-2,8-diaryl-4-(4-nitrophenyl)-1-aza-3,7-dioxabicyclo[3.3.0]octanes

    • M. Madesclaire
    • P. Coudert
    • Yu. V. Zaitseva

    OriginalPaper Pages: 665 - 670

18. Hetero-diels-alder reaction of N-cyanoaniline and pyridinium cyano-(ethoxycarbonyl)methylide with aroylketenes generated in situ in thermolysis of 6-aryl-2,2-dimethyl-1,3-dioxin-4-ones

    • D. D. Nekrasov
    • A. S. Obukhova

    OriginalPaper Pages: 671 - 674

19. Synthesis and anti-inflammatory activity of ethynylthiazoles

    • A. Geronikaki
    • S. Vasilevsky
    • B. V. Poroikov

    OriginalPaper Pages: 675 - 680

20. Synthesis of some thiadiazoles, selenadiazoles and spiroheterocyclic compounds from their 2,2-dimethyl-benzopyran precursors

    • N. S. Joshi
    • B. K. Karale
    • C. H. Gill

    OriginalPaper Pages: 681 - 685

21. Interconversions of isatin-containing condensed tetracyclic systems

    • E. T. Khoshtaria
    • L. N. Kurkovskaya
    • M. G. Alapishvili

    OriginalPaper Pages: 686 - 692

22. Synthesis of 2-aryl-5H-[1,3,4]-thiadiazolo[2,3-b]quinazolin-5-ones

    • V. N. Britsun
    • A. N. Esipenko
    • M. O. Lozinskii

    OriginalPaper Pages: 693 - 697

23. Reactions of pivaloylpyrotartaric acids with acylhydrazines in the synthesis of pyrazolincarboxylic acids

    • V. O. Kozminykh
    • V. I. Goncharov
    • D. B. Oborin

    Letters to the Editor Pages: 698 - 700