1. Preparation and reactions of isoflavone heteroanalogs (a review)

   • M. S. Frasinyuk
   • V. P. Khilya

   ReviewPaper Pages: 3 - 22

2. 2(5H)-furanone in the vilsmeier—haak reaction. Synthesis of β-substituted furans. Molecular structures of 3-dimethylaminomethylene-5-formyl-2(3H)-furanone and dimethylammonium 3,5-di(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidenemethyl)-2-furanolate

   • G. D. Krapivin
   • N. D. Kozhina
   • V. E. Zavodnik

   OriginalPaper Pages: 23 - 32

3. Homolytic addition of cyclic ethers to crotonic acid

   • G. G. Galust'yan

   OriginalPaper Pages: 33 - 36

4. ab initio calculations of the geometrical and electronic structure of thiophene and 2-chlorothiophene molecules

   • V. P. Feshin
   • E. V. Feshina

   OriginalPaper Pages: 37 - 40

5. Thionylation of 5-alkyl-3H-furan-2-ones and their non-cyclic 4-oxoalkanoate ester analogs

   • A. Yu. Egorova
   • V. A. Sedavkina
   • N. A. Morozova

   OriginalPaper Pages: 41 - 44

6. Investigations on imidazoles 98. Reactions of nitrohaloimidazoles with amino acids

   • P. M. Kochergin
   • L. A. Reznichenko
   • E. V. Aleksandrova

   OriginalPaper Pages: 45 - 50

7. Investigations on imidazoles 99. Synthesis and some conversions of esters of 4-nitro-5-imidazolylmalonic,-acetoacetic, and-cyanoacetic acids

   • P. M. Kochergin
   • L. A. Reznichenko
   • E. V. Aleksandrova

   OriginalPaper Pages: 51 - 57

8. Investigations on furopyridines. 10. Synthesis of 4-N-substituted 1H-furo[3,4]pyridin-3-ones

   • I. S. Arustamova
   • V. T. Piven'

   OriginalPaper Pages: 58 - 63

9. Synthesis of 11-bromo-9-methyl-6-methylene-3-methylthio-5,6,9,10-tetrahydro-8H-[1,2,4]triazolo[3′,4′;3,4]pyrazino[1,2-c]pyrimidine-8,10-dione from 4-allyl-1-(3-methyl-2,4-dioxo-1,2,3,4-tetrahydro-6-pyrimidinylcarbonyl)thiosemicarbazide

   • G. Myakushkene
   • P. Vainilavichyus

   OriginalPaper Pages: 64 - 67

10. Electrochemical interconversion of 1-(p-tolyl)-6-methyl-2,4-diphenylpyrimidinium perchlorate and 1-(p-tolyl)-6-methylene-2,4-diphenylpyrimidine

    • A. A. Bumber
    • O. D. Lalakulich
    • A. I. Pyshchev

    OriginalPaper Pages: 68 - 71

11. Trisubstituted 1,3,5-triazines 3. Synthesis of substituted 2,4,6-tris(hydroxyiminomethyl)-1,3,5-triazines

    • A. V. Shastin
    • T. I. Godovikova
    • B. L. Korsunskii

    OriginalPaper Pages: 72 - 74

12. Trisubstituted 1,3,5-triazines. 4. Synthesis of 2-nitroamino-4,6-bis(trinitromethyl)-1,3,5-triazine

    • A. V. Shastin
    • T. I. Godovikova
    • B. L. Korsunskii

    OriginalPaper Pages: 75 - 77

13. Synthesis of 3-O-aryl esters of (R,S)-9-(2,3-dihydoxypropyl)adenine and its pyrimidine analogs as new potential inhibitors ofS-adenosyl-L-homocysteine hydrolase

    • A. A. Ozerov
    • M. S. Novikov
    • A. K. Brel'

    OriginalPaper Pages: 78 - 83

14. Azabenzene chemisry. Part 2. Methylation of 2,3-dihydrooxazolo[4,5-b]pyridin-2-thione

    • N. A. Aliev
    • M. G. Levkovich
    • V. G. Kartsev

    OriginalPaper Pages: 84 - 86

15. Recyclization of 1-acyl(thioacyl)-5-hydroxy-2-pyrazolines to 1,3,4-oxa(thia)diazol-2-ine derivatives on acetylation

    • K. N. Zelenin
    • V. V. Alekseev
    • Yu. S. Sushkova

    OriginalPaper Pages: 87 - 92

16. Synthesis of heterocycles on the basis of anion arylatied products of unsaturated-compounds. Part 4. Cyclocondensation of 3-aryl-2-halo(thiocyanate)propionitriles

    • N. D. Obushak
    • V. S. Matiichuk
    • N. I. Ganushchak

    OriginalPaper Pages: 93 - 96

17. Heterocycles containing nitrogen and sulfur. Part 49. Synthesis of derivatives of new heterocyclic systems: 1,2-Dioxocyclopenta(hexa)[g]oxazolidino-[3,2-f] pyrimido[4,5-b][1,4]thiazine, 1,2-dioxocyclopenta(hexa)-[g] imidazolidino[3,2-f]pyrimido[4,5-b][1,4]thiazine, and 1,2-oxazino[5,4-g]pyrimidino[4,5-b][1,4]thiazine

    • T. S. Safonova
    • I. E. Mamaeva

    OriginalPaper Pages: 97 - 100

18. Synthesis of 4-oxo-2-thioxo-1,2,3,4,5,6-hexahydrospiro(benzo[h]quinazoline-5,1′-cyclohexane and its reaction with dibromoalkanes

    • A. I. Markosyan
    • R. A. Kuroyan
    • Yu. T. Struchkov

    OriginalPaper Pages: 101 - 105

19. Nucleophilic substitution in the 10,11-dihydrodibenz[b,f]iodepinium cation

    • T. P. Tolstaya
    • L. I. Sukhomlinova
    • N. A. Bumagin

    OriginalPaper Pages: 106 - 111

20. Silyl modifications of biologically active compounds 6. Organosilicon complexes of rhenium(V) with mixed ligands

    • H. Spies
    • Th. Fietz
    • E. Lukevics

    OriginalPaper Pages: 112 - 120

21. Indolizinophane—A new type of heterophane

    • G. P. Shkil'
    • L. V. Lebedinskaya
    • R. S. Sagitullin

    Letters to the Editor Pages: 121 - 122

22. A new convenient method for the synthesis of 2-(3-(β-naphthyl)-5-trifluoromethylpyrazol-1-yl)thiazoles

    • A. B. Denisova
    • T. V. Glukhareva
    • V. A. Bakulev

    Letters to the Editor Pages: 123 - 124

23. Reaction of derivatives of 1,4-dihydropyridine with the peroxynitrite anion

    • G. Tirzitis
    • E. Kazush
    • G. Duburs

    Erratum Pages: 124 - 124