1. Synthesis of heterocycles from acetylenic carbonyl compounds and dinucleophilic reagents (review)

   • A. S. Nakhmanovich
   • V. N. Elokhina

   ReviewPaper Pages: 241 - 253

2. Nitration of 4-methyl-5,6-dihydro-2H-pyran and some aspects of the preparation and isomerization of nitrodihydropyrans

   • M. S. Sargsyan
   • S. A. Mkrtumyan
   • A. A. Gevorkyan

   OriginalPaper Pages: 253 - 256

3. Reactions of heterocyclic cations with N-containing nucleophiles. 17. Synthesis of pyrylium salts with three-ring azole substituents

   • Yu. A. Zhdanov
   • E. A. Zvezdina
   • V. V. Korsun

   OriginalPaper Pages: 256 - 260

4. Synthesis and structures of 10-hydroxy- and 10-acetoxy-6(5H)phenanthridinones

   • A. M. Andrievskii
   • A. N. Poplavskii
   • S. S. Berestova

   OriginalPaper Pages: 261 - 266

5. Synthesis of amino-substituted 2-methylcoumarins, chromans, and benzoxepanes and their N-(alkylaminoacyl) derivatives

   • V. K. Daukshas
   • O. Yu. Pyatrauskas
   • G. V. Purvanyatskas

   OriginalPaper Pages: 266 - 270

6. Indole derivatives. 129. Reaction of 5-vinylindole with brominating agents

   • N. E. Starostenko
   • N. O. Avdeeva
   • N. N. Suvorov

   OriginalPaper Pages: 271 - 274

7. Trifluoroacetylation of 9-methylcarbazole. 2. Peculiarities of the reaction due to the presence of trifluoroacetic acid

   • N. V. Moskalev
   • E. E. Sirotkina

   OriginalPaper Pages: 275 - 281

8. Study of the rotational isomerism of the side chain of 3,5-disubstituted hydantoins

   • K. -A. V. Klimavichyus
   • G. V. Mikul'skene
   • V. V. Lutsenko

   OriginalPaper Pages: 282 - 283

9. Acylation of benzimidazole by the regel-buechel method. 2. Deacylation and dissociation of 1-methyl-3-acyl-2-(1′-methyl-2′-benzimidazolyl)-4-benzimidazolines

   • B. I. Khristich
   • E. V. Bondarenko

   OriginalPaper Pages: 284 - 287

10. EPR and polarography of nitroazoles. 6. 3-Nitro-1,2,4-triazoles

    • T. I. Vakul'skaya
    • T. N. Rakhmatulina
    • V. A. Lopyrev

    OriginalPaper Pages: 287 - 291

11. Isomerizing recyclization of quaternary salts of ethyl 3-(2-pyridyl)butyrate and diethyl 2-(2-pyridyl)ethylmalonate

    • A. V. Ignatchenko
    • P. B. Terent'ev

    OriginalPaper Pages: 292 - 295

12. Studies in the quinoxaline series. 17. Preparation and properties of some derivatives of 2-sulfonylmethylquinoxaline

    • J. Toman
    • I. Klicnar
    • S. Kalabova

    OriginalPaper Pages: 295 - 298

13. Synthesis and properties of derivatives of sym-triazine. 5. Synthesis and mass spectrometric study of carbamide derivatives of sym-triazine

    • V. I. Kelarev
    • M. Bellul'
    • A. F. Lunin

    OriginalPaper Pages: 298 - 304

14. Aromatic derivatives of 1H-2,3-dihydropyrazolo[4,5-b]-1,5-diazepine

    • V. D. Orlov
    • Kh. Kiroga
    • N. N. Kolos

    OriginalPaper Pages: 304 - 310

15. Aromatic derivatives of 2,3-dihydro-1H-1,5-benzodiazepine

    • V. D. Orlov
    • S. M. Desenko
    • Kh. Kiroga

    OriginalPaper Pages: 311 - 315

16. Condensation of o-phenylene diamine and substituted acroleins to form macroheterocycles

    • Yu. G. Yatluk
    • A. L. Suvorov

    OriginalPaper Pages: 316 - 320

17. Azoles and azines. 61. Reaction of malonyl dichloride with aromatic amides

    • V. é. Zakhs
    • I. P. Yakovlev
    • B. A. Ivin

    OriginalPaper Pages: 321 - 324

18. Azoles and azines. 62. Structure of 2-aryl-1,3-oxazine-4,6-diones

    • V. é. Zakhs
    • I. P. Yakovlev
    • B. A. Ivin

    OriginalPaper Pages: 325 - 332

19. Reaction mechanism for formation of condensed thienopyrans and thienothiopyrans

    • A. P. Mkrtchyan
    • S. G. Kazaryan
    • S. A. Vartanyan

    OriginalPaper Pages: 333 - 335

20. Transformations of the sulfur analogs of Β-carbolins under the influence of nucleophiles

    • T. V. Stupnikova
    • A. R. Kirilash
    • N. A. Klyuev

    OriginalPaper Pages: 335 - 339

21. Synthesis and study of tautomeric properties of 2-(5-R-2-furyl)thiazolin-4-ones

    • G. D. Krapivin
    • P. A. Pavlov
    • V. G. Kul'nevich

    OriginalPaper Pages: 340 - 345

22. Synthesis of substituted thieno[2,3-d]thiazoles and indolo[3,2-d]thiazoles

    • L. D. Pinkin
    • V. G. Dzyubenko
    • I. S. Shpileva

    OriginalPaper Pages: 345 - 352

23. Spontaneous conversion of a 2H-pyran to a furan derivative

    • G. G. Melikyan
    • É. V. Babayan
    • Sh. O. Badanyan

    Letters to the Editor Pages: 353 - 353

24. Symmetrical dyes — Derivatives of naphtho[1,8-b,c]thiophene

    • N. P. Vasilenko
    • F. A. Mikhailenko
    • A. G. Maidannik

    Letters to the Editor Pages: 354 - 354

25. 2,6-Diphenyl-1,4-dithiine and its disulfone

    • M. G. Voronkov
    • L. G. Shagun
    • L. E. Protasova

    Letters to the Editor Pages: 355 - 355

26. Symmetrization of cyclic σ-telluranes

    • I. D. Sadekov
    • B. B. Rivkin
    • V. I. Minkin

    Letters to the Editor Pages: 356 - 357

27. Concerning the recyclization of pyrrolo[2,1-a]isoquinolines to benz[g]indoles

    • G. P. Shkil'
    • V. I. Terenin
    • R. S. Sagitullin

    Letters to the Editor Pages: 357 - 358

28. Synthesis of 1-(4-alkanoylphenyl)-2-pyrazolines based on dithiolium salts

    • I. M. Gella
    • V. N. Vakula
    • V. D. Orlov

    Letters to the Editor Pages: 358 - 359

29. Reaction of diendiaminodiketones with nucleophilic reagents. Synthesis of 2-pyridone and 2-pyridinethione derivatives

    • A. K. Shanazarov
    • V. G. Granik

    Letters to the Editor Pages: 359 - 360

30. 2-Imino-cis-perhydrothieno[3,4-d]thiazole-5,5-dioxides

    • G. I. Khaskin
    • A. B. Rozhenko
    • T. é. Bezmenova

    Letters to the Editor Pages: 360 - 361