1. Concept of π-surplus character in the chemistry of heteroaromatic compounds (review)

   • A. F. Pozharskii

   ReviewPaper Pages: 583 - 598

2. Synthesis of nitrophenyl derivatives of 1,3,4-oxadiazole

   • G. P. Sharnin
   • B. I. Buzykin
   • R. Kh. Fassakhov

   OriginalPaper Pages: 598 - 601

3. Side products in the rosenmund reduction of benzofuran-2-carboxylic acid chlorides

   • E. Vojtanis
   • B. Sila
   • T. Lesyak

   OriginalPaper Pages: 601 - 606

4. Mass spectra of a number of 1,3,2-oxazaphosphorinanes

   • R. Z. Musin
   • Yu. Ya. Efremov
   • M. A. Pudovik

   OriginalPaper Pages: 606 - 609

5. Synthesis of 2-selenothieno[2,3-d]pyrimidine derivatives

   • I. V. Smolanka
   • S. M. Khripak
   • A. A. Dobosh

   OriginalPaper Pages: 609 - 610

6. Chemistry of oxalyl derivatives of methyl ketones

   • Yu. S. Andreichikov
   • S. P. Tendryakova
   • L. A. Voronova

   OriginalPaper Pages: 611 - 613

7. Reaction of 2-aminomethylaziridine with α-unsaturated carbonyl compounds

   • A. V. Eremeev
   • V. A. Kholodnikov
   • é. é. Liepin'sh

   OriginalPaper Pages: 614 - 617

8. N-dealkylation of 2-(tert-butyl)-3-hydroxy-3-(4-chlorophenyl)isoindolinone and n-(tert-alkyl)-2-aroylbenzamides in concentrated sulfuric acid

   • G. A. Karlivan
   • R. é. Valter
   • V. P. Tsiekure

   OriginalPaper Pages: 618 - 620

9. Synthesis of furo[2,3-f]- and furo[3,2-e]indole derivatives

   • A. N. Grinev
   • A. K. Chizhov
   • T. F. Vlasova

   OriginalPaper Pages: 621 - 624

10. Synthesis of isomeric pyrroloquinolines from 5- and 6-aminoindoles

    • A. N. Kost
    • S. A. Yamashkin
    • L. G. Yudin

    OriginalPaper Pages: 624 - 630

11. Research on pyrrolo[3,2-f]indolizines

    • A. F. Mironov
    • T. V. Abramenko
    • R. P. Evstigneeva

    OriginalPaper Pages: 630 - 633

12. Proton-transfer reactions in azoles

    • V. N. Babin
    • E. B. Zavelovich

    OriginalPaper Pages: 634 - 638

13. Synthesis of pyridine bases from piperidine derivatives

    • N. S. Prostakov
    • A. V. Varlamov
    • G. A. Vasil'ev

    OriginalPaper Pages: 639 - 642

14. Utilization of ir spectroscopy for the study of the mechanism of the cyclization of Β-(2-carboxyarylamino)propionic acids

    • A. F. Bekhli
    • B. V. Lopatin
    • L. A. Bolotina

    OriginalPaper Pages: 642 - 644

15. Stereochemistry of the quaternization of 2- and 4-epimeric trans-1-alkyl-2-methyl-4-ethynyldecahydro-4-quinolols with alkyl halides

    • A. A. Akhrem
    • L. I. Ukhova
    • V. M. Gorul'ko

    OriginalPaper Pages: 644 - 647

16. Stereochemistry of the synthesis of 2,9-dimethyl- and 1,2,9-trimethyldecahydro-4-quinolones and some of their hydroxy derivatives

    • A. A. Akhrem
    • L. I. Ukhova
    • T. E. Prokof'ev

    OriginalPaper Pages: 647 - 655

17. Structure and absorption sepctra of 3-phenyl-4-hydroxyisoquinoline

    • V. T. Grachev
    • B. é. Zaitsev
    • N. P. Lomakina

    OriginalPaper Pages: 655 - 659

18. Luminescence of dihydro derivatives of benzo[f]quinoline

    • N. S. Kozlov
    • L. F. Gladchenko
    • R. D. Sauts

    OriginalPaper Pages: 660 - 663

19. Polymethyl-substituted 2-azafluorenes and synthesis of azafluoranthene derivatives from them

    • N. S. Prostakov
    • A. A. Obynochnyi
    • A. A. Savina

    OriginalPaper Pages: 663 - 667

20. Preparation of 3-aryl-2-quinoxalones

    • M. S. Rovinskii
    • V. G. Dolyuk
    • M. M. Kremlev

    OriginalPaper Pages: 667 - 668

21. Pyrimidines

    • O. E. Shkurko
    • V. P. Mamaev

    OriginalPaper Pages: 669 - 672

22. Heterocyclic analogs of pleiadiene str]XXVI. Reaction of 1-methylperimidine and 1-methyl-2-chloroperimidine with alkali metals and their naphthalenides

    • L. P. Smirnova
    • A. F. Pozharskii
    • B. A. Tertov

    OriginalPaper Pages: 673 - 678

23. Reaction of amidines of aliphatic carboxylic acids with dimethyl acetylenedicarboxylate

    • L. P. Prikazchikova
    • L. I. Rybchenko
    • V. M. Cherkasov

    OriginalPaper Pages: 678 - 680

24. Specificity in the formation of a seven-membered ring in the synthesis of dihydro-1.5-benzodiazepinones from aromatic diamines

    • T. S. Chmilenko
    • Z. F. Solomko

    OriginalPaper Pages: 681 - 685

25. Vibrational spectra and structures of 1,2,4-triazole derivatives

    • V. B. Mel'nikov
    • L. F. Baeva
    • B. V. Gidaspov

    OriginalPaper Pages: 686 - 689

26. Vibrational spectra of structures of 5-trifluoromethyl- and 1-methyl-5-nitrotetrazole

    • M. M. Sokolova
    • V. V. Mel'nikov
    • B. V. Gidaspov

    OriginalPaper Pages: 689 - 692

27. Synthesis of polychloro derivatives of 2-nitromethylbenzimidazole

    • V. A. Buevich
    • V. V. Rudchenko

    Letters to the Editor Pages: 693 - 693

28. 1,2-dihydro-3h-1,4-benzodiazepin-2-one-3-spiro-2′-adamantanes

    • A. V. Bogat-skii
    • S. A. Andronati
    • A. G. Yurchenko

    Letters to the Editor Pages: 694 - 694

29. 2-amino derivatives of benzo-1,2,3-dithiazole

    • Yu. I. Akulin
    • B. Kh. Stretlets
    • L. S. éfros

    Letters to the Editor Pages: 695 - 695

30. Heterocyclic conference in the german democratic republic

    • M. Yu. Kornilov

    Chronicles Pages: 696 - 698