1. Electrophilic heterocyclization of unsaturated carboxylic acids in the synthesis of lactones (review)

   • Yu. I. Gevaza
   • V. I. Staninets

   ReviewPaper Pages: 1073 - 1088

2. Heterocyclization of 1-acetoxy-4-halo-substituted 2-butenes in the presence of alkali

   • A. A. Gevorkyan
   • P. I. Kazaryan
   • S. V. Avakyan

   OriginalPaper Pages: 1088 - 1090

3. Synthesis and spectral properties of furyl-substituted pyridines and pyrylium and pyridinium salts

   • V. N. Novikov
   • Ya. R. Tymyanskii
   • M. I. Knyazhanskii

   OriginalPaper Pages: 1091 - 1094

4. Synthesis of 2-dimethylamino-3-substituted 2h-pyrans and study of their valence isomerization to δ-dimethylamino dienones

   • Zh. A. Krasnaya
   • T. S. Stytsenko
   • A. S. Dvornikov

   OriginalPaper Pages: 1095 - 1103

5. Synthesis of 1,3-dioxolanes from acetylenic 1,2,5-triols

   • Sh. M. Musantaeva
   • K. O. Akimova
   • A. V. Shchelkunov

   OriginalPaper Pages: 1104 - 1106

6. ¹⁵N chemical shifts in aziridines

   • é. é. Liepin'sh
   • P. T. Trapentsier
   • I. Ya. Kalvin'sh

   OriginalPaper Pages: 1106 - 1109

7. Synthesis and lactonization of 1-(2-hydroxy-1,1-dimethylethyl)-aziridine-2-carboxylic acid esters

   • O. N. Krutius
   • F. D. Polyak
   • A. V. Eremeev

   OriginalPaper Pages: 1109 - 1112

8. Heterocyclization of acryloyloxiranes to 3-hydroxy-4-piperidinones and 2-(α-hydroxyalkyl)-3-pyrrolidinones in the reaction with methylamine

   • A. M. Zvonok
   • V. I. Biba
   • L. S. Stanishevskii

   OriginalPaper Pages: 1113 - 1119

9. Unsymmetrical tetraarenoporphines

   • V. N. Kopranenkov
   • A. M. Vorotnikov
   • E. A. Luk'yanets

   OriginalPaper Pages: 1120 - 1125

10. Structure of asymmetric 5-hydrazino-2-pyrazolines

    • M. Yu. Malov
    • K. N. Zelenin
    • S. I. Yakimovich

    OriginalPaper Pages: 1126 - 1128

11. Synthesis of 1,3,4,5-substituted 1,3-dihydro-2h-imidazol-2-ones

    • Kh. Lozanova
    • V. Kalcheva
    • D. Simov

    OriginalPaper Pages: 1129 - 1130

12. Synthesis of monoximes of 2-aryl-2h-naphtho[1,2-d]triazole-4,5-quinones and their rearrangement to triazolylcarboxylic acid

    • A. P. Stankyavichyus
    • P. B. Terent'ev

    OriginalPaper Pages: 1131 - 1134

13. Halogenation of heterocyclic acetylenic mono- and diamines

    • A. I. Kurbanov
    • é. Turgunov
    • T. S. Sirlibaev

    OriginalPaper Pages: 1135 - 1137

14. Hydrosilylation of n- and o-heterocyclic aldehydes in the presence of Rh^I, Ru^II, and Pd^II complexes

    • I. G. Iovel'
    • Yu. Sh. Gol'dberg
    • é. Lukevits

    OriginalPaper Pages: 1138 - 1145

15. Structural analysis of 2,3,6-trisubstituted 1,4-dihydro-4-oxoquinolines by means of ¹³C and ¹⁵N NMR spectroscopy

    • L. I. Kononov
    • G. A. Vėinberg
    • é. Lukevits

    OriginalPaper Pages: 1145 - 1148

16. Synthesis of indoles from pyridinium salts. 6. Reaction of 3-nitroquinolinium salts with ketones in the presence of amines

    • M. A. Yurovskaya
    • A. Z. Afanas'ev
    • Yu. G. Bundel'

    OriginalPaper Pages: 1149 - 1157

17. Acylation of phenacylpyrimidines

    • B. M. Khutova
    • S. V. Klyuchko
    • V. M. Cherkasov

    OriginalPaper Pages: 1157 - 1160

18. Reactions of arylhydrazines with α-formyl derivatives of six-and seven-membered ring lactams

    • G. P. Tokmakov
    • I. I. Grandberg

    OriginalPaper Pages: 1160 - 1165

19. Chemistry of 1,1,2,2-tetracyanoethane. 11. Synthesis and stereochemical characteristics of 3-methyl-5-oxo-2′-amino-5′-phenyl -3′,4′,4′-tricyanoisoxazoline-4-spiro-1′-cyclopent-2′-ene

    • A. B. Zolotoi
    • S. V. Konovalikhin
    • O. E. Nasakin

    OriginalPaper Pages: 1166 - 1171

20. Five-membered 2,3-dioxoheterocycles. 10. Reaction of 5-aryl-2,3-dihydrofuran-2,3-diones with N-substituted ureas and their thio and seleno analogs

    • Yu. S. Andreichikov
    • D. D. Nekrasov
    • Yu. A. Nalimova

    OriginalPaper Pages: 1172 - 1174

21. Acid-catalyzed acetylation of N-methallyl lactam and imide derivatives

    • V. N. Voshchula
    • S. V. Tolkunov
    • V. I. Dulenko

    OriginalPaper Pages: 1175 - 1180

22. Condensed thiolane 1,1-dioxide systems. 3. Two modes of cyclization of N-substituted trans-3-chloro-4-thioureidothiolane 1,1-dioxides

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

    OriginalPaper Pages: 1180 - 1184

23. Mechanism of the reaction of epithiochlorohydrin with nucleophiles

    • A. A. Potekhin
    • V. V. Sokolov
    • A. A. Tomashevskii

    Letters to the Editor Pages: 1185 - 1186

24. Intramolecular hydrogen bonds in 1-vinyl-5-pyrazole carboxylate esters

    • V. V. Tserunyan
    • G. V. Asratyan
    • E. G. Darbinyan

    Letters to the Editor Pages: 1186 - 1186

25. Effect of quaternization on regioselectivity of arylamination of naphthylazobenzimidazoles

    • S. N. Kolodyazhnaya
    • L. N. Divaeva
    • S. A. Kukushkin

    Letters to the Editor Pages: 1187 - 1187

26. N-arylbenzisotellurazolium and N-arylbenzotelluradiazolium perchlorates

    • I. D. Sadekov
    • A. A. Maksimenko
    • V. I. Minkin

    Letters to the Editor Pages: 1188 - 1188

27. Acid hydrolysis of 2-iminoperhydrothieno[3, 4-d]-oxazol-5,5-dioxides

    • A. B. Rozhenko
    • V. I. Slutskii
    • E. G. Khil'chevskaya

    Letters to the Editor Pages: 1189 - 1189