1. Azirines in reactions involving the formation of a pyrrole ring (review)

   • B. A. Trofimov
   • A. I. Mikhaleva

   ReviewPaper Pages: 1037 - 1049

2. Synthesis of alkyl- and phenyl-substituted 4-aminomethyl-2-buten-4-olides

   • A. S. Kukharev
   • I. G. Tishchenko
   • V. I. Tyvorskii

   OriginalPaper Pages: 1049 - 1055

3. 1,2-Diisophthalimidoethane. X-ray diffraction evidence for the structure of the product of acylation of 1,2-diaminoethane with phthaloyl chloride

   • Yu. A. Simonov
   • É. V. Ganin
   • V. F. Makarov

   OriginalPaper Pages: 1056 - 1059

4. Reactions of 4-methyl-7-diethylaminocoumarin with electrophilic reagents

   • M. A. Kirpichenok
   • S. L. Levchenko
   • I. I. Grandberg

   OriginalPaper Pages: 1059 - 1067

5. Intramolecular cyclization of 5-(o-carboxyphenyl)pyrrole derivatives

   • A. N. Grinev
   • I. N. Nesterova
   • M. V. Mezentseva

   OriginalPaper Pages: 1067 - 1069

6. Reactions of dichlorocarbene with N-(2,2-diphenylvinylidene)-anilines. 1,3-Dipolar derivatives of ketenimine-ylides

   • A. F. Khlebnikov
   • M. S. Novikov
   • R. R. Kostikov

   OriginalPaper Pages: 1070 - 1076

7. N-acetylindoxyl in the synthesis of new condensed heterocycles

   • S. Yu. Ryabova
   • A. N. Grinev
   • G. N. Kurilo

   OriginalPaper Pages: 1076 - 1078

8. Synthesis of 4-chlorosubstituted spiropyranes of the indole series

   • N. M. Przhiyalgovskaya
   • L. I. Kon'kov
   • V. F. Mandzhikov

   OriginalPaper Pages: 1078 - 1081

9. Nitration of 4-halo-1-methylpyrazoles in sulfuric acid

   • V. P. Perevalov
   • Yu. A. Manaev
   • B. I. Stepanov

   OriginalPaper Pages: 1081 - 1083

10. Sulfonation of substituted azoles with sulfur trioxide in dichloroethane

    • T. P. Bochkareva
    • B. V. Passet
    • T. I. Koval'chuk

    OriginalPaper Pages: 1084 - 1089

11. Heterocyclic diazo-compounds. 3. Structure and unusual properties of primary 2-nitrosoaminobenzimidazoles

    • S. N. Kolodyazhnaya
    • L. N. Divaeva
    • A. M. Simonov

    OriginalPaper Pages: 1090 - 1094

12. Proton exchange in 1-vinyl-1,2,4-triazole and its derivatives

    • L. A. Tatarova
    • T. G. Ermakova
    • V. A. Lopyrev

    OriginalPaper Pages: 1094 - 1097

13. Acid-base conversions of nitrogen heterocycles by the method of NMR spectroscopy. 2. Substituted pyridine- and pyrimidine-1-oxides

    • V. P. Lezina
    • M. M. Kozlova
    • L. D. Smirnov

    OriginalPaper Pages: 1098 - 1105

14. Cyclization reactions of nitriles. 26. Synthesis, structure, and properties of 2-amino-4-methylthio-5-cyano-6(1H)-pyrimidinethione

    • Yu. A. Sharanin
    • A. M. Shestopalov
    • Yu. T. Struchkov

    OriginalPaper Pages: 1105 - 1112

15. Reactions of azinium cations. 7. ¹³C NMR spectra and electron structure of neutral σ-adducts of 1,4-diazinium cations and methylate anion

    • O. N. Chupakhin
    • V. N. Charushin
    • A. V. Belik

    OriginalPaper Pages: 1112 - 1117

16. Synthesis and properties of sym-triazine derivatives. 6. Synthesis of 2-amino- and 2,4-diamino-sym-triazines containing sterically hindered phenol segments

    • V. I. Kelarev
    • F. Laauad Yakh'ya
    • V. A. Vinokurov

    OriginalPaper Pages: 1118 - 1123

17. Purines, pyrimidines, and condensed systems based on them. 3. 7,8-Diaminotheophylline

    • I. M. Nanavyan
    • V. V. Kuz'menko
    • N. A. Klyuev

    OriginalPaper Pages: 1123 - 1129

18. Synthesis and ¹³C NMR spectra of 5-alkyl-1,4-diaza- and 5-alkyl-1-aza-4-oxabicyclo [3.3.0]octan-8-ones

    • V. A. Sedavkina
    • I. V. Lizak
    • N. N. Sorokin

    OriginalPaper Pages: 1129 - 1132

19. Azines and azoles. 64. Mass spectra and tautomerism of 2-aryl-4,6-dioxo-1,3-thiazines

    • A. I. Krylov
    • V. N. Kuklin
    • B. A. Ivin

    OriginalPaper Pages: 1133 - 1136

20. Z,E-isomers of 10,10-dimethyl-9-benzylidene-9,10-dihydro-10-sila-2-azaanthracene and reactions of 10,10-dimethyl-9,10-dihydro-10-sila-2-azaanthracene under conditions of basic catalysis

    • N. S. Prostatkov
    • A. V. Varlamov
    • A. A. Fomichev

    OriginalPaper Pages: 1136 - 1140

21. Reaction of 1-(arylethynyl)aziridines with ethyl chloroformate

    • D. A. Tikhomirov
    • A. V. Eremeev

    Letters to the Editor Pages: 1141 - 1141

22. Erroneous structure of 1-hydroxy-2-ethoxycarbonyl-3-ethylaziridine

    • G. K. Kadorkina
    • R. G. Kostyanovskii

    Letters to the Editor Pages: 1142 - 1142

23. Novel synthesis of 2-benzyl-2-imidazolines from 1-(phenylethynyl)-aziridine and primary amines

    • D. A. Tikhomirov
    • N. M. Porchinskaya
    • A. V. Eremeev

    Letters to the Editor Pages: 1143 - 1143

24. Stable biradical in the benzimidazoline series, containing two cation-radical fragments with strong exchange interactions

    • A. S. Morkovnik
    • A. N. Suslov
    • B. A. Tertov

    Letters to the Editor Pages: 1144 - 1145

25. Photonucleophilic substitution of halogen in (5-bromofuryl-2)-pyridinium derivatives

    • V. M. Feigel'man
    • Ya. R. Timyanskii
    • V. S. Pustovarov

    Letters to the Editor Pages: 1145 - 1146

26. Transfer of long-range spin-spin coupling between protons in 1,3-divinyl-6-azauracil via a hypervalent N∦H bond

    • A. V. Afonin
    • Z. V. Stepanova
    • A. V. Vashchenko

    Letters to the Editor Pages: 1146 - 1147

27. New synthesis of functionally substituted pyrimido[1,2-a]benzimidazoles

    • V. A. Dorokhov
    • M. F. Gordeev
    • Z. K. Dem'yanets

    Letters to the Editor Pages: 1147 - 1148