1. Thermal and photochemical 1,3-electrocyclic reactions in the chemistry of three-membered heterocyclic compounds (review)

   • V. A. Bakulev
   • V. G. Kartsev
   • V. S. Mokrushin

   ReviewPaper Pages: 1203 - 1215

2. Mechanism of recyclization of furans to thiophenes and selenophenes under acid-catalysis conditions. 2. Kinetic investigations of the reaction of 2,5-dialkylfurans with hydrogen sulfide and hydrogen selenide in an anhydrous medium

   • S. P. Voronin
   • T. I. Gubina
   • V. G. Kharchenko

   OriginalPaper Pages: 1216 - 1220

3. Syntheses based on furancarboxylic acid amides. 1. Synthesis and structure of 2-(5-R-2-furyl)-4-oxoquinazolines

   • I. N. Kozlovskaya
   • L. A. Badovskaya
   • Z. I. Tyukhteneva

   OriginalPaper Pages: 1220 - 1223

4. Heteroorganic derivatives of sulfur-containing heterocycles. 28. Calculation and interpretation of vibrational spectra of thienyl derivatives of group IVB elements

   • A. K. Kozyrev
   • K. I. Gur'ev
   • É. Lukevits

   OriginalPaper Pages: 1224 - 1238

5. Organoboron method for the synthesis of 8-azagonanes

   • V. V. Gertsev
   • Yu. A. Romanov

   OriginalPaper Pages: 1239 - 1241

6. Oxidation of 1-aminobenzimidazoles. Synthesis and properties of 1,1′-azobenzimidazoles

   • A. F. Pozharskii
   • I. M. Nanavyan
   • N. A. Klyuev

   OriginalPaper Pages: 1241 - 1253

7. Oxidative coupling of 4a,9-diaza-1,2,4a,9a-tetrahydrofluorenes. 1. Synthesis of mononuclear heterocyclic quinonediimines

   • O. Yu. Slabko
   • V. A. Kaminskii
   • M. N. Tilichenko

   OriginalPaper Pages: 1254 - 1258

8. Comparative study of mass-spectrometric behavior of 2,6-diaryl-4-(oxo,oximino,amino)piperidines

   • E. E. Stashenko
   • P. I. Zakharov
   • N. S. Prostakov

   OriginalPaper Pages: 1259 - 1266

9. Synthesis of 4-allyl-4-arylaminopiperidines and their transformations to spiro[tetrahydroquinoline-2,4′-piperidines]

   • N. S. Prostakov
   • V. V. Kuznetsov
   • E. E. Stashenko

   OriginalPaper Pages: 1267 - 1271

10. Substituent effect on ring proton chemical shifts in PMR spectra of monosubstituted pyridines

    • O. P. Shkurko
    • A. Yu. Denisov
    • V. P. Mamaev

    OriginalPaper Pages: 1272 - 1275

11. Synthesis of alkali and heavy metal dithio- and thiocarbamates based on N-(Β-aminoethyl)piperazine

    • R. N. Zagidullin

    OriginalPaper Pages: 1275 - 1279

12. sym-triazine derivatives. 8. Structure and further reactions of products formed in the reaction of 2,4,6-triethoxycarbonyl-sym-triazine with arylhydrazines

    • N. V. Alekseeva
    • K. F. Turchin
    • L. N. Yakhontov

    OriginalPaper Pages: 1280 - 1288

13. Mass spectrometeric study of thiocarbamoyl-substituted 2-aminothiazoles and 2-iminothiazolines. 2. N-thiazolyl- and N-thiazolinylidene-N′-peracetyl glycosylthioureas

    • Ya. V. Rashkes
    • Yu. M. Mil'grom
    • R. F. Ambartsumova

    OriginalPaper Pages: 1289 - 1293

14. Synthesis of semicarbazones and thiosemicarbazones of 1-(2-benzothiazolon-3-yl) propanones

    • A. Ts. Antonova
    • D. Simov
    • V. B. Kalcheva

    OriginalPaper Pages: 1294 - 1296

15. Reaction of 4-iminothiazolidinone-2 with acetoacetic ester

    • I. D. Komaritsa

    OriginalPaper Pages: 1297 - 1299

16. 2-Aryl-1,2,3-thiadiazolium salts

    • T. A. Alekseenko
    • T. S. Bazhbeuk-Melikova
    • V. A. Kozinskii

    OriginalPaper Pages: 1299 - 1300

17. 3-Aryl-4,5-dichloro-1,2,3-thiadiazolium salts — Synthons for the preparation of mesoionic compounds of the 1,2,3-thiadiazole series

    • T. A. Alekseenko
    • T. S. Bazhbeuk-Melikova
    • V. A. Kozinskii

    OriginalPaper Pages: 1301 - 1303

18. Disulfides of the benzo-2,1,3-thiadiazole series

    • I. A. Belen'kaya
    • T. A. Shulla

    OriginalPaper Pages: 1303 - 1307

19. Synthesis of macroheterocycles — Analogs of dibenzo-crown compounds. 4. 15–18-Membered pyridine-containing crown compounds

    • I. V. Mikhura
    • A. A. Formanovskii

    OriginalPaper Pages: 1307 - 1310

20. Formation of cyanines from pyrylium salts and aliphatic acid anhydrides

    • A. I. Pyshchev
    • L. I. Butenko
    • V. V. Krasnikov

    Letters to the Editor Pages: 1311 - 1311

21. Dual reacting of monocyclic α-carboxypyrylium salts in reaction with secondary amines

    • N. V. Kholodova
    • V. G. Brovchenko
    • E. V. Kuznetsov

    Letters to the Editor Pages: 1312 - 1313

22. High-temperature reaction of 2-thiophenethiol with acetylene

    • N. V. Russavskaya
    • N. A. Korchevin
    • M. G. Voronkov

    Letters to the Editor Pages: 1313 - 1314

23. Diene autocondensation of 3,3-dimethyl-2-phenyl- and 3,3-dimethyl-2-(2-thienyl)-3H-pyrroles

    • B. A. Trofimov
    • S. G. Shevchenko
    • L. B. Krivdin

    Letters to the Editor Pages: 1314 - 1315

24. Direct sulfonation of 1,3,3-trimethyl-2-methyleneindoline

    • V. S. Tolmacheva
    • A. A. Tolmachev
    • F. S. Babichev

    Letters to the Editor Pages: 1315 - 1315

25. Sulfonation of 2,6-dimethyl-3,5-dimethoxycarbonyl-4-2-difluoromethoxyphenyl)-1,4-dihydropyridine (phoridone)

    • É. É. Liepin'sh
    • I. P. Skrastin'sh
    • G. Ya. Dubur

    Letters to the Editor Pages: 1316 - 1317

26. Annelation of the benzindolizine ring to the quinoxaline nucleus

    • Yu. M. Volovenko
    • S. V. Litvinenko
    • F. S. Babichev

    Letters to the Editor Pages: 1317 - 1318

27. New synthesis of caffeine methiodide and its homolog

    • É. I. Ivanov
    • G. D. Kalayanov
    • D. E. Stepanov

    Letters to the Editor Pages: 1318 - 1318

28. Selective hydrogenolysis of 3,5-disubstituted functionalized 2-isoxazolines

    • F. A. Lakhvich
    • E. V. Koroleva

    Letters to the Editor Pages: 1319 - 1320