1. To Professor Henk van der Plas on his 70th birthday

   • V. N. Charushin
   • O. N. Chupakhin

   Announcement Pages: 381 - 382

2. Functionalization of pyridines. 3. Reactions forming a carbon-heteroatom bond with group IV, V, and VI elements

   • M. A. Yurovskaya
   • O. D. Mit'kin

   OriginalPaper Pages: 383 - 435

3. Alkylation of hetaryl methyl ketones by propargyl bromide under phase-transfer catalysis conditions

   • E. Abele
   • R. Abele
   • E. Lukevics

   OriginalPaper Pages: 436 - 438

4. Structural investigation of parvifolinone transformation products

   • E. Huipe Nava
   • V. Mendoza
   • V. N. Nesterov

   OriginalPaper Pages: 439 - 445

5. Synthesis of 6-Alkylthio-5-carbamoyl-3-cyano-4-phenyl-3,4-dihydropyridin-2(1H)-ones

   • A. Krauze
   • G. Duburs

   OriginalPaper Pages: 446 - 449

6. Eprspectra of free radicals generated by electrochemical reduction of 3-nitrohexahydroquinol-5-ones and 4-nitrohexahydroisoquinol-8-ones

   • R. Gavars
   • L. Baumane
   • G. Duburs

   OriginalPaper Pages: 450 - 454

7. Synthesis and properties of 5-acetyl-3-cyano-4-isobutyl-6-methyl-3,4-dihydropyridine-2(1H)-thione

   • S. G. Krivokolysko
   • V. D. Dyachenko
   • V. P. Litvinov

   OriginalPaper Pages: 455 - 458

8. Synthesis of new fluorine-containing derivatives of quinoxaline 1,4-dioxides and condensed systems derived from them

   • O. N. Chupakhin
   • S. K. Kotovskaya
   • V. N. Charushin

   OriginalPaper Pages: 459 - 469

9. Nucleophile-induced transformations of 1,2,4-triazines. 3. Anrorc constriction of the ring in the reaction of 6-aryl-3-dimethylamino-1,2,4-triazine 4-oxides with KCN

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

   OriginalPaper Pages: 470 - 473

10. Regioselectivity in the reaction of paraformaldehyde with (1S,2S)-2-aryl(hetaryl)methylamino-1-(4-nitrophenyl)-1,3-propanediols

    • J. Couquelet
    • M. Madesclaire
    • S. Kh. Sharipova

    OriginalPaper Pages: 474 - 478

11. Heterocycles containing a bridge nitrogen atom. 10. Unexpected closure of oxazole ring during the reaction of 2-chloro-1-phenacylpyridinium salt with potassium cyanate. Crystal structure of 2-(p-nitrophenyl)oxazolo-[3,2-a]pyridinium bromide and N-(p-nitrophenacyl)pyrid-2-one

    • E. V. Babaev
    • V. B. Rybakov
    • I. A. Orlova

    OriginalPaper Pages: 479 - 485

12. Heterocycles containing a bridge nitrogen atom. 11. Recyclization of 5-methyloxazolo[3,2-apyridinium cation under the action of nucleophiles containing NH₂ group. Crystal structure of 3-(p-nitrophenyl)-1,4-dihydropyrido-[2,1-c]-as-triazinium perchlorate

    • E. V. Babaev
    • A. V. Efimov
    • S. G. Zhukov

    OriginalPaper Pages: 486 - 491

13. Synthesis of mesityl-substituted 1,3,4-oxadiazoles from mesitotrichloride and aromatic and heteroaromatic acid hydrazides

    • L. I. Belen'kii
    • S. I. Luiksaar
    • M. M. Krayushkin

    OriginalPaper Pages: 492 - 498

14. The chemistry of furazano-[3,4-b]pyrazine. 7. Properties of 5,6-diamino- and 5,6-dihydrazino-furazano[3,4-b]pyrazine

    • I. B. Starchenkov
    • V. G. Andrianov
    • A. F. Mishnev

    OriginalPaper Pages: 499 - 508