1. Activity and selectivity in the electrophilic substitution of five-membered heterorings (review)

   • L. I. Belen'kii

   ReviewPaper Pages: 1195 - 1210

2. Effect of the heteroatom on the one-electron reduction of α-nitro derivatives of five-membered heterorings

   • Ya. P. Stradyn'
   • R. A. Gavar
   • M. A. Trushule

   OriginalPaper Pages: 1211 - 1217

3. ¹H NMR spectra, configuration, and conformations of 2-mono- and 2,4-disubstituted 1,3-dioxolanes

   • D. Torkler
   • F. Kh. Karataeva
   • V. G. Kul'nevich

   OriginalPaper Pages: 1217 - 1221

4. Mesoionic compounds with a bridged nitrogen atom. 5. π-electron structure of thiazolo[3,2-α]pyridinium 3-oxide derivatives

   • G. G. Dyadyusha
   • N. N. Romanov
   • A. I. Tolmachev

   OriginalPaper Pages: 1221 - 1226

5. Formation of imidazole systems in the reactions of 2,2-dimethyl-3-phenylazirine with amidines, ethyl carbamate, and rhodanamine

   • A. V. Eremeev
   • R. S. El'kinson
   • V. A. Imuns

   OriginalPaper Pages: 1226 - 1229

6. Mass-spectrometric identification of isomeric 1-benzoyl-2-azetidinones and 2-phenyl-4,5-dihydro-1,3-oxazin-6-ones

   • P. B. Terent'ev
   • Kh. Ivanov
   • A. Dobrev

   OriginalPaper Pages: 1230 - 1234

7. Reactivities of heterocyclic compounds in nitration. 5. Kinetics of nitration of 5-substituted 2-picrylaminopyridines

   • G. P. Sharnin
   • I. F. Falyakhov
   • F. G. Khairutdinov

   OriginalPaper Pages: 1234 - 1238

8. Synthesis and properties of 2-(n-pyridinium)-4- and 5-aza-1,3-indandione betaines

   • O. Ya. Neiland
   • A. A. Krauze

   OriginalPaper Pages: 1239 - 1243

9. Mo self-consistent-field (scf) calculations of quinoline and its derivatives. 4. Theoretical examination of the formation of the mesoionic form of 8-mercaptoquinoline and its derivatives

   • Z. P. Bruvers
   • I. V. Zuika

   OriginalPaper Pages: 1243 - 1245

10. 1,3-diphenyl-2-azaanthracene and 8-aza-7-phenylbenzo[a]fluoranthene in the diene synthesis

    • L. V. Gorshkova
    • V. P. Zvolinskii
    • V. F. Zakharov

    OriginalPaper Pages: 1245 - 1248

11. Electronic absorption spectra and structures of the conjugate acids of 5-hydroxy- and 5-aminoanthraquinonepyridines

    • B. E. Zaitsev
    • O. V. Rudnitskaya
    • A. K. Molodkin

    OriginalPaper Pages: 1248 - 1254

12. Research on imidazo[2,1-α]isoquinoline derivatives. 2. Synthesis and transformations of esters of the imidazo[2,1-α]isoquinoline series

    • T. A. Kuz'menko
    • V. V. Kuz'menko
    • B. Ya. Simkin

    OriginalPaper Pages: 1255 - 1260

13. Quaternary salts of quinolybenzimidazoles

    • I. V. Romanenko
    • A. K. Sheinkman
    • N. A. Klyuev

    OriginalPaper Pages: 1261 - 1267

14. Synthesis and properties of 3,4-dihydroxy-1,5,5-trimethylimidazolidin-2-one

    • S. P. Epshtein
    • T. G. Simonova
    • Yu. A. Baskakov

    OriginalPaper Pages: 1268 - 1270

15. Synthesis and study of heteroaromatic ligands containing a pyrimidine ring

    • A. V. Ivashchenko
    • O. N. Garicheva
    • G. M. Adamova

    OriginalPaper Pages: 1271 - 1275

16. Synthesis and study of 3-(pyrimidin-2-yl)amino-1(2)H-1,2,4-triazole derivatives

    • A. V. Ivashchenko
    • O. N. Garicheva
    • G. M. Adamova

    OriginalPaper Pages: 1275 - 1278

17. Synthesis and study of polydentate ligands that contain a pyrimidine ring

    • A. V. Ivashchenko
    • B. E. Zaitsev
    • R. V. Poponova

    OriginalPaper Pages: 1279 - 1284

18. Synthesis of 1-alkyl-4(5)-hydroxymethyl-1,2,3-triazoles

    • A. V. Maksikova
    • E. S. Serebryakova
    • L. I. Vereshchagin

    OriginalPaper Pages: 1284 - 1285

19. Heterocyclization of 1-(2′-carbethoxyphenyl)-5-methyltetrazole

    • V. A. Zyryanov
    • V. L. Rusinov
    • I. Ya. Postovskii

    OriginalPaper Pages: 1286 - 1288