1. Comparative evaluation of quantum-chemical methods for calculating aromatic and antiaromatic nitrogen heterocycles (review)

   • B. Ya. Simkin
   • M. N. Glukhovtsev

   ReviewPaper Pages: 1321 - 1335

2. Reaction of 4-methyl-3,4-epoxytetrahydropyran with α-amino acids

   • U. G. Ibatullin
   • S. A. Vasil'eva
   • M. G. Safarov

   OriginalPaper Pages: 1335 - 1338

3. Reaction of hexamethyldisiloxane with 2-ethoxy-1,3-dioxolane

   • I. P. Zhurkina
   • E. P. Nedogrei
   • D. L. Rakhmankulov

   OriginalPaper Pages: 1338 - 1342

4. Intensities of IR bands of CH stretching vibrations and atomic charges in saturated three-membered rings

   • I. F. Tupitsyn
   • Yu. V. Puzanov
   • S. A. Egorov

   OriginalPaper Pages: 1342 - 1348

5. Synthesis of polyfunctional stable nitrile oxides of the thiophene series and their relative reactivities in 1,3-dipolar cycloaddition with styrene

   • M. M. Krayushkin
   • M. A. Kalik
   • V. S. Bogdanov

   OriginalPaper Pages: 1349 - 1355

6. 2,3-Dihydronaphtho[1,2-b]thiophene 1-oxides in the synthesis of 2,3-dihydronaphtho- and naphtho[1,2-b]thiophenes

   • N. V. Fedorov
   • A. V. Anisimov
   • E. A. Viktorova

   OriginalPaper Pages: 1356 - 1359

7. Structures and ambiphilic reactivities of indolizines. 5. Acylation of 2-methylindolizine

   • S. I. Bobrovskii
   • D. E. Lushnikov
   • Yu. G. Bundel'

   OriginalPaper Pages: 1360 - 1364

8. Synthesis and properties of thiocarbamoylmethylpyridinium (isoquinolinium) ylids

   • V. S. Berseneva
   • V. A. Bakulev
   • A. T. Lebedev

   OriginalPaper Pages: 1364 - 1368

9. Synthesis of substituted methyl aryl ketone pyrimidinyloximes and their reactions with nucleophiles

   • G. G. Danagulyan
   • N. G. Balasanyan
   • M. G. Zalinyan

   OriginalPaper Pages: 1369 - 1373

10. Synthesis and liquid crystal properties of substituted 1,4-bis(pyrimidin-2-yl)benzenes

    • M. A. Mikhaleva
    • T. A. Kizner
    • V. P. Mamaev

    OriginalPaper Pages: 1373 - 1381

11. Synthesis of 4-alkylthio-2-(o-hydroxyphenyl)-1,3,5-triazines by recyclization of 4-oxo-1,3-benzoxazine perchlorates

    • Yu. I. Ryabukhin
    • O. B. Korzhavina
    • A. D. Garnovskii

    OriginalPaper Pages: 1381 - 1384

12. ¹H- and ¹³C-NMR study of rotational isomerism in N-vinyltetrazoles

    • A. V. Afonin
    • L. I. Vereshchagin
    • O. A. Zasyadko

    OriginalPaper Pages: 1385 - 1389

13. Synthesis and mass spectra of 4-mono- and 4,4-disubstituted 5,6-tetramethylenetetrahydro-1,3-oxazine-2-thiones

    • A. V. Peretokin
    • A. S. Moskovkin
    • B. V. Unkovskii

    OriginalPaper Pages: 1390 - 1393

14. Macroheterocycles. 49. Simple synthesis of cryptands based on intracomplex macrocyclization

    • N. G. Luk'yanenko
    • A. S. Reder

    OriginalPaper Pages: 1394 - 1395

15. Donor-acceptor properties of phenaza- and phenoxaborines

    • M. B. Ryzhikov
    • A. N. Rodionov
    • D. N. Shigorin

    OriginalPaper Pages: 1396 - 1398

16. Mesoionic compounds with a bridge nitrogen atom. 19. Thiazolo[3,2-a]quinoxalinium oxides

    • K. V. Fedotov
    • N. N. Romanov

    OriginalPaper Pages: 1399 - 1402

17. Condensed systems from thilane 1,1-dioxide. 4. PMR spectra of cis- and trans-perhydrothieno[3,4-d]-oxa(thia)zole 5,5-dioxides

    • A. B. Rozhenko
    • V. I. Slutskii
    • G. I. Khaskin

    OriginalPaper Pages: 1403 - 1406

18. Nitrogen-tellurium-containing heterocycles. 4. X-ray structure of 2-phenylbenzotellurazole

    • A. é. Mistryukov
    • I. D. Sadekov
    • A. D. Garnovskii

    OriginalPaper Pages: 1407 - 1409

19. Unexpected loss of functionality during the Trofimov synthesis of pyrroles from 4-nitro and 4-dimethylaminoacetophenone oximes

    • S. E. Korostova
    • S. G. Shevchenko
    • A. I. Mikhaleva

    Letters to the Editor Pages: 1410 - 1410

20. New synthesis of indolizinedione from Β-alanine

    • F. Z. Galin
    • S. N. Lakeev
    • G. A. Tolstikov

    Letters to the Editor Pages: 1411 - 1411

21. 4-Anilino-1,3-diphenylimidazolium chloride

    • é. E. Korshin
    • G. I. Mingazova
    • Ya. A. Levin

    Letters to the Editor Pages: 1412 - 1412

22. Cyclocondensation of 2-methylbenzimidazole with acetylacetone

    • I. I. Popov

    Letters to the Editor Pages: 1413 - 1413

23. Synthesis of 2-methyl-3-nitro-4-phenyl-1,4-dihydroquinoline

    • B. A. Vigante
    • Ya. Ya. Ozols
    • G. Ya. Dubur

    Letters to the Editor Pages: 1414 - 1414

24. New method of constructing the 1-pyrazoline ring

    • N. S. Prostakov
    • A. V. Varlamov
    • A. é. Aliev

    Letters to the Editor Pages: 1415 - 1415

25. Dehydration of 2-(2-hydroxyethyl)benzimidazole. Synthesis of 6,13-dimethyl-5H,12H-pyrazino[1,2-a∶4,5-a′]bisbenzimidazole

    • I. I. Popov

    Letters to the Editor Pages: 1416 - 1416

26. Synthesis of homologs of theophylline and theobromine

    • é. I. Ivanov
    • I. M. Yaroshchenko
    • G. D. Kalayanov

    Letters to the Editor Pages: 1417 - 1417

27. Synthesis of perfluorinated oxazoles

    • V. M. Koshelev
    • I. N. Barsukov
    • A. F. Gontar'

    Letters to the Editor Pages: 1418 - 1418

28. Isomerization of 1,2,4-oxadiazole-3-carboxazidoximes

    • V. G. Andrianov
    • V. G. Semenikhina
    • A. V. Eremeev

    Letters to the Editor Pages: 1419 - 1419