1. Chemistry of pteridine N-oxides (review)

   • V. Pfleiderer

   ReviewPaper Pages: 1127 - 1145

2. Morpholine derivatives

   • S. Z. Kaplan
   • N. A. Zakharova
   • L. V. Pavlyuchenkova

   OriginalPaper Pages: 1146 - 1150

3. Reaction of 2-dialkyl-5-formylfurans, -thiophenes, and-selenophenes with aromatic diazonium salts

   • F. A. Mikhailenko
   • L. I. Shevchuk

   OriginalPaper Pages: 1151 - 1152

4. Nitration of 2-(2-quinolyl)thiophene and 5-(2-quinolyl)-2,2′-dithiophene

   • M. N. Zemtsova
   • A. E. Lipkin
   • A. V. Zimichev

   OriginalPaper Pages: 1153 - 1155

5. Synthesis of 6-(α-thienyl)azulene from 2-butoxy-4-(α-thienyl)-Δ⁵-dihydropyran

   • Yu. P. Porshnev
   • E. M. Tereshchenko
   • V. B. Mochalin

   OriginalPaper Pages: 1156 - 1158

6. Reaction of 4-arylamino-2-sulfolenes with nucleophilic reagents

   • P. G. Dul'nev
   • T. É. Bezmenova

   OriginalPaper Pages: 1159 - 1161

7. Thiazolopyridinium salts with an active methyl group and cyanine dyes based on them

   • E. D. Sych
   • L. T. Gorb
   • F. S. Babichev

   OriginalPaper Pages: 1162 - 1165

8. Reaction of ethoxyvinyl derivatives of pyrylium and pyridinium salts with primary and secondary amines

   • G. N. Dorofeenko
   • V. V. Mezheritskii
   • A. L. Vasserman

   OriginalPaper Pages: 1166 - 1171

9. N-Aminoarylpyridinium perchlorates and their behavior in diazotization

   • G. N. Dorofeenko
   • Yu. P. Andreichikov
   • G. E. Trukhan

   OriginalPaper Pages: 1172 - 1176

10. Properties of the amino group in N-(aminophenyl)pyridinium perchlorates

    • G. N. Dorofeenko
    • Yu. P. Andreichikov
    • A. N. Popova

    OriginalPaper Pages: 1177 - 1181

11. Some transformations in a number of (2-pyridyl)phosphonates

    • V. N. Eliseenkov
    • N. V. Bureva
    • B. E. Ivanov

    OriginalPaper Pages: 1182 - 1184

12. Spectroscopic study of hydrogen bonding in aminoanthrapyridones

    • B. E. Zaitsev
    • T. A. Mikhailova
    • M. V. Kazankov

    OriginalPaper Pages: 1185 - 1191

13. Factors that affect the tautomeric equilibrium of hydroxyazopyridine derivatives

    • B. E. Zaitsev
    • G. V. Sheban
    • K. M. Dyumaev

    OriginalPaper Pages: 1192 - 1198

14. Indole derivatives

    • N. N. Suvorov
    • E. N. Sidorenko
    • M. V. Vasin

    OriginalPaper Pages: 1199 - 1202

15. Indole derivatives

    • V. G. Avramenko
    • V. D. Nazina
    • N. N. Suvorov

    OriginalPaper Pages: 1203 - 1206

16. Preparation of 1-aryl-2-methyl-3-carbethoxy-4,5-dioxo-6-bromoindoles

    • A. N. Grinev
    • G. Ya. Uretskaya
    • T. F. Vlasova

    OriginalPaper Pages: 1207 - 1209

17. Carbolines

    • T. M. Efremova
    • K. I. Kuchkova
    • A. A. Semenov

    OriginalPaper Pages: 1210 - 1214

18. Effect of hydrogen bonding on the frequency of the out-of-plane deformation vibrations of the NH bonds in pyrazole and imidazole molecules

    • V. S. Troitskaya
    • Yu. D. Timoshenkova
    • V. I. Tyulin

    OriginalPaper Pages: 1215 - 1216

19. Synthesis and some properties of n,s-divinyl-2-mercaptobenzimidazole

    • G. G. Skvortsova
    • N. D. Abramova
    • B. V. Trzhtsinskaya

    OriginalPaper Pages: 1217 - 1220

20. Synthesis and spectral characteristics of bis- and tris(Δ²-pyrazolinyl) benzenes

    • S. V. Tsukerman
    • É. V. Danil'chenko
    • V. F. Lavrushin

    OriginalPaper Pages: 1221 - 1224

21. Research on benzimidazole derivatives

    • B. I. Khristich
    • G. M. Suvorova
    • A. M. Simonov

    OriginalPaper Pages: 1225 - 1228

22. Benzimidazole derivatives

    • V. N. Komissarov
    • A. M. Simonov

    OriginalPaper Pages: 1229 - 1231

23. Synthesis and investigation of some bisbenzimidazoloquinazolines

    • V. V. Korshak
    • A. L. Rusanov
    • I. Batirov

    OriginalPaper Pages: 1232 - 1236

24. Rearrangement of organometallic compounds of 1-benzylindazoles

    • B. A. Tertov
    • P. P. Onishchenko
    • V. V. Bessonov

    OriginalPaper Pages: 1237 - 1240

25. Dehydrogenation of piperazine to pyrazine on oxide surfaces under chromatographic conditions

    • S. P. Yurel'
    • A. A. Anderson
    • M. V. Shimanskaya

    OriginalPaper Pages: 1241 - 1245

26. Reaction of succinonitrile with anhydrous hydrazine

    • I. M. Shanazarova
    • A. P. Volkova

    OriginalPaper Pages: 1246 - 1247

27. Pyrimidines

    • M. A. Mikhaleva
    • L. N. Il'chenko
    • V. P. Mamaev

    OriginalPaper Pages: 1248 - 1250

28. Conversion of some substituted 1,2,4-triazole-3-thiones

    • M. M. Tsitsika
    • S. M. Khripak
    • I. V. Smolanka

    OriginalPaper Pages: 1251 - 1253

29. Tetrazole derivatives

    • V. P. Shchipanov

    OriginalPaper Pages: 1254 - 1258

30. New synthesis of 2-amino-3-cyano-4,5-tetramethylenethiophene

    • Yu. A. Sharanin
    • L. G. Sharanina

    Letters to the Editor Pages: 1259 - 1260

31. Phosphorus-containing uracil analogs

    • M. N. Preobrazhenskaya
    • V. N. Tolkachev
    • M. Z. Kornveits

    Letters to the Editor Pages: 1261 - 1261

32. 5-Benzyluracil and its derivatives

    • L. S. German
    • V. R. Polishchuk
    • G. Ya. Bekker

    Letters to the Editor Pages: 1262 - 1262

33. Synthesis of sym-octahydroacridinium salts

    • V. A. Kaminskii
    • M. N. Tilichenko

    Letters to the Editor Pages: 1263 - 1264

34. 1,3,4-selenadiazolo[3,2-a]pyrimidinium salts

    • V. A. Chuiguk
    • D. I. Sheiko
    • V. G. Glushakov

    Letters to the Editor Pages: 1265 - 1266

35. Rearrangement of pyrimido[1,2-a]indoles to α-carbolines

    • R. S. Sagitullin
    • T. V. Mel'nikova
    • A. N. Kost

    Letters to the Editor Pages: 1267 - 1267

36. Synthesis of substituted 4h-1,3-benzothiazines

    • V. A. Zagorevskii
    • K. I. Lopatina
    • S. M. Klyuev

    Letters to the Editor Pages: 1268 - 1268