1. Pyrido[2,3-b]indoles (α-carbolines) (review)

   • A. A. Semenov
   • V. V. Tolstikhina

   ReviewPaper Pages: 345 - 356

2. Investigation of the mass-spectrometric behavior of aminomethyl and aminomethylene derivatives of tetrahydrofuran

   • R. A. Karakhanov
   • M. M. Vartanyan
   • L. Yu. Brezhnev

   OriginalPaper Pages: 356 - 358

3. Pyrylocyanines. 19. Symmetrical pyrylocyanines based on 3,4-polymethylene-2,6-diphenylpyrylium salts

   • M. A. Kudinova
   • V. V. Kurdyukov
   • A. I. Tolmachev

   OriginalPaper Pages: 359 - 362

4. Mass-spectrometric study of the fragmentation of stereoisomeric forms of 2-(4′-alkoxycarbonylbuly)-3-hydroxy-4-ureidotetra-hydrothiophene under electron impact

   • Zh. K. Torosyan
   • S. D. Mikhno
   • V. M. Berezovskii

   OriginalPaper Pages: 363 - 367

5. Research in the chemistry of heterocyclic quinoneimines. 5. Effect of benzannelation of phenothiazin-3-one on its reaction with O- and S-nucleophiles

   • V. I. Vysokov
   • G. B. Afanas'eva
   • I. S. Ufimtseva

   OriginalPaper Pages: 367 - 370

6. Synthesis of 1,3,4-triphenyl-1H-pyrazolo[3,4-e][1,4]thiazepin-7-one

   • R. S. Vartanyan
   • A. L. Gyul'budagyan
   • S. A. Vartanyan

   OriginalPaper Pages: 370 - 372

7. Indole derivatives. 124. 5-(2-phenylethenyl)indolines and 5-(2-phenylethenyl)indoles

   • L. N. Chupina
   • V. F. Shner
   • N. N. Suvorov

   OriginalPaper Pages: 372 - 375

8. Pyrroloindoles. 10. Synthesis of some substituted pyrroloindoles and tetrahydropyrrolocarbazoles

   • Sh. A. Samsoniya
   • D. O. Kadzhrishvili
   • N. N. Suvorov

   OriginalPaper Pages: 376 - 379

9. Intramolecular thermal cyclization of quaternary ammonium salts with the participation of the aromatic ring of an arylmethyl group as a diene fragment

   • A. T. Babayan
   • G. O. Torosyan
   • A. V. Mushegyan

   OriginalPaper Pages: 380 - 383

10. Porphyrins. 16. Thermolysis of schiff bases of meso-formylporphyrins — A convenient method for the synthesis of porphyrins with a cyclopentane ring

    • G. V. Ponomarev
    • A. M. Shul'ga

    OriginalPaper Pages: 383 - 388

11. Porphyrins. 17. Oxidation of porphyrins with a cyclopentane ring on the surface of silica gel. Chemical properties of hydroxycyclopentanoporphyrins

    • G. V. Ponomarev
    • A. M. Shul'ga

    OriginalPaper Pages: 389 - 393

12. Pyrroloquinolines and pyrroloisoquinolines. 3. Synthesis of 1H-pyrrolo[2,3-f]isoquinoline and some of its derivatives

    • T. F. Ponasenkova
    • R. N. Akhvlediani
    • N. N. Suvorov

    OriginalPaper Pages: 394 - 398

13. Pyrroloquinolines and pyrroloisoquinolines. 4. Nucleophilic substitution in the pyrroloisoquinoline series

    • T. F. Ponasenkova
    • R. N. Akhvlediani
    • N. N. Suvorov

    OriginalPaper Pages: 399 - 401

14. Synthesis of thiirane derivatives of decahydroquinoline by the reaction of α,β-epoxy alcohols with thiourea

    • G. P. Kukso
    • L. I. Ukhova
    • V. G. Zaikin

    OriginalPaper Pages: 401 - 405

15. Investigation of the barriers to retarded internal rotation in N-acyl-1-methyl-1,2,3,4-tetrahydroisoquinolines

    • S. N. Dvoryantsev
    • V. I. Mstislavskii
    • V. M. Dem'yanovich

    OriginalPaper Pages: 405 - 408

16. Composition of the products and kinetics of the isopropylation of 1,2,3,4-tetrahydroquinoline in sulfuric acid

    • Z. A. Okhrimenko
    • V. G. Chekhuta
    • O. I. Kachurin

    OriginalPaper Pages: 409 - 412

17. Preparation of 9-phenylethynyl-4-azafluoren-9-ol and 9-phenacylidene-4-azafluorene and their conversion to spiro compounds

    • N. S. Prostakov
    • Mikhalis Makuli
    • N. D. Sergeeva

    OriginalPaper Pages: 413 - 416

18. Diazo carbonyl derivatives of heterocycles. 3. Alternative 1,3-dipolar addition to azidoalkyl α-diazo ketones and synthesis of five-membered heterocycles based on them

    • V. G. Kartsev
    • T. S. Pokidova
    • A. V. Dovgilevich

    OriginalPaper Pages: 416 - 421

19. Fluorine-containing azoles. 2. Reaction of imidazole, benzimidazoles, and perimidines with difluorocarbene

    • V. G. Poludnenko
    • O. B. Didinskaya
    • A. F. Pozharskii

    OriginalPaper Pages: 422 - 425

20. Fluorine-containing azoles. 3. Reaction of imidazoles and perimidines with perfluoroalkenes

    • V. G. Poludnenko
    • O. B. Didinskaya
    • A. F. Pozharskii

    OriginalPaper Pages: 426 - 430

21. 1,2,3,4-Tetrahydropyrimidines and some other compounds based on propiolic acid derivatives

    • E. L. Khanina
    • D. Kh. Mutsenietse
    • G. Ya. Dubur

    OriginalPaper Pages: 431 - 433

22. Acetals of lactams and acid amides. 40. Synthesis and hydrolytic cleavage of one-ring and two-ring derivatives of 4-pyrimidinone

    • V. G. Granik
    • S. I. Grizik
    • N. P. Solov'eva

    OriginalPaper Pages: 434 - 439

23. Acetals of lactams and acid amides. 41. Enamino amides in the synthesis of pyrimidine derivatives

    • L. V. Ershov
    • S. S. Kiselev
    • V. G. Granik

    OriginalPaper Pages: 439 - 443

24. Synthesis of glycosylpyrimidines on the basis of glycosylurea

    • É. É. Grinshtein
    • É. É. Liepin'sh
    • É. I. Stankevich

    OriginalPaper Pages: 443 - 447

25. N-Glycosides. 4. Synthesis of 3-glycosyl-4-hydroxyhexahydropyrimidine-2-thiones on the basis of glycosyl isothiocyanates

    • A. D. Shutalev
    • L. A. Ignatova
    • B. V. Unkovskii

    OriginalPaper Pages: 447 - 450

26. Inversion of the 1,4,5-benzotriazocine ring

    • S. A. Andronati
    • V. S. Yur'eva
    • L. E. Nivorozhkin

    OriginalPaper Pages: 451 - 452

27. Fluorescence of N-triazolyl derivatives of azomethines

    • M. I. Knyazhanskii
    • V. S. Orekhovskii
    • A. S. Burlov

    OriginalPaper Pages: 452 - 454

28. Synthesis and transformations of 3-azido-5-amino-1,2,4-triazines

    • V. L. Rusinov
    • T. V. Dragunova
    • O. N. Chupakhin

    OriginalPaper Pages: 455 - 459

29. Acidic isomerization of 2-formylpyrroles

    • V. A. Budylin
    • M. del C. Pina
    • Yu. G. Bundel'

    Letters to the Editor Pages: 460 - 460