1. Dienone ⇆ 2H-pyran valence isomerization. (Review)

   • Zh. A. Krasnaya

   ReviewPaper Pages: 1255 - 1271

2. Rearrangement of 3-ethoxycarbonyl-5-hydroxyimino-2-methyl-4-oxonaphtho[1,2-b]furan and 3-ethoxycarbonyl-5-hydroxyimino-2-methyl-4-oxo-1-phenylbenzo[g]indole by the action of benzenesulfonyl chloride in an alkaline medium

   • A. P. Stankyavichus
   • L. M. M. Stankyavichene
   • P. B. Terent'ev

   OriginalPaper Pages: 1272 - 1275

3. 1,3,4,6-tetracarbonyl compounds. 3. synthesis, structural features, and antimicrobial activity of 1,6-diaryl-3,4-dihydroxy-2,4-hexadiene-1,6-diones

   • N. M. Igidov
   • E. N. Koz'minykh
   • V. O. Koz'minykh

   OriginalPaper Pages: 1276 - 1285

4. Sterically strained conjugated systems containing a trisubstituted furan ring. Molecular structure of 5-dimethylamino-2,4-bis[2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl]furan

   • G. D. Krapivin
   • N. I. Val'ter
   • T. Ya. Kaklyugina

   OriginalPaper Pages: 1286 - 1293

5. Characteristic features of interaction between atoms in chloro-substituted 1,4-dioxane fromab initio calculations

   • V. P. Feshin
   • E. V. Feshina

   OriginalPaper Pages: 1294 - 1298

6. Structure of “dimethylenetricyclohexanone”

   • T. I. Akimova
   • V. V. Nesterov
   • V. I. Vysotsky

   OriginalPaper Pages: 1299 - 1304

7. Nitrogen-containing heterocycles derived from tetracarbonyl compounds and their analogs. Synthesis of 2-(4,4-dimethyl-2,6-dioxocyclohexyl)-1,4-diphenylbutane-1,4-dione and its reaction with N-nucleophiles

   • A. N. Andin
   • V. A. Kaminskii
   • S. V. Dubovitskii

   OriginalPaper Pages: 1305 - 1307

8. Determination of the ultra long range spin-spin coupling constants using overall line shape analysis in the¹H NMR spectra of fullerene-C₆₀ cycloadducts with 1-(4-nitrophenyl)-3-phenylnitrile ylide

   • V. A. Chertkov
   • S. V. Zubkov
   • M. A. Yurovskaya

   OriginalPaper Pages: 1308 - 1312

9. Reactions of 1-aryl-2,5-dimethylpyrroles with ketones

   • O. Pushechnikov
   • S. P. Ivonin
   • A. A. Tolmachev

   OriginalPaper Pages: 1313 - 1318

10. Cyclocondensation of 2-phenacyl-1H-benzimidazole with acylhydrazines: Synthesis and tautomerism of 2-(pyrazol-4-yl)-1H-benzimidazoles

    • I. B. Dzvinchuk
    • A. V. Vypirailenko
    • M. O. Lozinsky

    OriginalPaper Pages: 1319 - 1324

11. Synthesis and structure of S-alkenyl derivatives of 8-quinolinethiol

    • D. G. Kim
    • R. M. Arslambekov
    • A. V. Belik

    OriginalPaper Pages: 1325 - 1328

12. Activation of nucleophilic substitution reactions in 4-nitroquinoline N-oxide by v-acceptors

    • V. P. Andreev
    • A. V. Ryzhakov

    OriginalPaper Pages: 1329 - 1333

13. Reaction of esters of 2-substituted 5-pyrimidinecarboxylic acids with hydrazine hydrate

    • S. Tumkevicius
    • V. Yakubkene
    • P. Vainilavicius

    OriginalPaper Pages: 1334 - 1336

14. Quantum-chemical investigation of 4-oxo-2-thioxospiro(benzo[h]quinazoline-5,1'-cycloalkanes) in alkylation reactions

    • K. V. Karapetyan
    • V. I. Terenin
    • R. A. Kuroyan

    OriginalPaper Pages: 1337 - 1341

15. Synthesis of heterylphthalonitriles

    • I. G. Abramov
    • V. V. Plakhtinskii
    • G. G. Krasovskaya

    OriginalPaper Pages: 1342 - 1344

16. Synthesis of triazoles and tetrazoles condensed with spiro(benzo[h]quinazoline-5,1′-cycloalkanes)

    • A. I. Markosyan
    • R. A. Kuroyan
    • K. V. Karapetyan

    OriginalPaper Pages: 1345 - 1348

17. Synthesis of 1,4-dihydroimidazo[5,1-c]-1,2,4-triazin-4-ones and imidazo[5,1-c]-1,2,4-triazoles

    • M. A. Bezmaternykh
    • V. S. Mokrushin
    • T. A. Pospelova

    OriginalPaper Pages: 1349 - 1356

18. Competition of the Hantzsch and boese reactions in the interaction of 1-thiocarbamoylthiosemicarbazide and phenylchloropyruvic acid methyl ester

    • V. A. Mamedov
    • I. Z. Nurkhametova
    • Ya. A. Levin

    OriginalPaper Pages: 1357 - 1363

19. Derivatives of 4-carboxy-3,5-diphenyl-2-phenyliminothiazoline. Synthesis and mass spectral investigation

    • V. A. Mamedov
    • I. Z. Nurkhametova
    • Ya. A. Levin

    OriginalPaper Pages: 1364 - 1369

20. New biheterocyclic spiro system — Spiro-[1,4-benzodioxin-2 (3H),2′(3′H)-benzothiazole]

    • I. B. Dzvinchuk
    • M. O. Lozinsky

    OriginalPaper Pages: 1370 - 1372

21. Synthesis of 2-aryl-5-oxotetrahydro-thiochromenylium salts

    • T. N. Serdyukova
    • L. I. Markova
    • V. G. Kharchenko

    Letters to the Editor Pages: 1373 - 1374

22. Formation of 2-pyridone in the process of the enamine rearrangement of pyrimidinium salts

    • G. G. Danagulyan
    • L. G. Saakyan
    • S. N. Denisenko

    Letters to the Editor Pages: 1375 - 1376

23. Nucleophilictele-substitution reactions in 3-trichloromethyl-1,2,4-triazines

    • D. N. Kozhevnikov
    • V. N. Kozhevnikov
    • O. N. Chupakhin

    Letters to the Editor Pages: 1377 - 1378

24. Condensed isoquinolines. New method of synthesizing derivatives of the 5h-chromeno[2,3-c]isoquinoline system

    • V. M. Kisel'
    • K. M. Kondratyuk
    • V. A. Kovtunenko

    Letters to the Editor Pages: 1379 - 1380

25. New heterocyclic system, 1,3,5,6,8-pentaazaacenaphthene

    • S. Tumkevicius
    • V. Masyavicius

    Letters to the Editor Pages: 1381 - 1382

26. Dihydrodipyrrolo[b,e]phosphorins

    • S. P. Ivonin

    Letters to the Editor Pages: 1383 - 1384