1. Complexation of the pyridine bases in the products from the coking of coal with organic solvents (review)

   • M. I. Zaretskii

   ReviewPaper Pages: 1 - 16

2. Cyclization reactions of quaternary salts of azaaromatics

   • Wanda Sliwa

   OriginalPaper Pages: 17 - 32

3. Unexpected formation of the most strained δ-lactone in the pyrolysis of diethyl ester of cis-4-hydroxy-trans-5-methoxy-trans-1,2-cyclohexanedicarboxylic acid

   • V. A. Chertkov
   • E. K. Dobretsova
   • V. V. Samoshin

   OriginalPaper Pages: 33 - 38

4. Synthesis and certain conversions of 3-(3,3-dichloroallyl)-4-hydroxycoumarin

   • A. A. Avetisyan
   • I. L. Aleksanyan
   • A. G. Alvandzhyan

   OriginalPaper Pages: 39 - 42

5. Dipyrrolo[1,2-a; 2′, 1′-c]pyrazines. 3. Electrophilic substitution in a series of derivatives of dipyrrolo[1,2-a; 2′, 1′-c]pyrazines and 5,6-dihydrodipyrrolo[1,2-a; 2′, 1′-c]pyrazines

   • V. I. Terenin
   • E. L. Ruchkina
   • Yu. G. Bundel'

   OriginalPaper Pages: 43 - 55

6. Porphyrins.

   • D. V. Yashunskii
   • G. V. Ponomarev
   • V. F. Pozdnev

   OriginalPaper Pages: 56 - 58

7. Synthesis of pyrroloquinolines from alkyl-substituted 6-aminoindoles, acetoacetic ester, and ethoxymethylenemalonic ester

   • S. A. Yamashkin
   • N. Ya. Kucherenko
   • M. A. Yurovskaya

   OriginalPaper Pages: 59 - 63

8. 2,3-Dimethyl-7-methoxy-6-aminoindole in the synthesis of linear pyrroloquinolines

   • S. A. Yamashkin
   • N. Ya. Kucherenko
   • M. A. Yurovskaya

   OriginalPaper Pages: 64 - 68

9. Cyclodesamination of N-azolylformamidines. Synthesis of polyazaheterocycles with isoquinoline and indolo[2,3-c]-pyridine structural fragments

   • S. D. Bogza
   • A. V. Ivanov
   • K. I. Kobrakov

   OriginalPaper Pages: 69 - 73

10. Acylation of n-phenyl-2-(indol-3-yl)succinimides

    • S. L. Bogza
    • K. I. Kobrakov
    • V. I. Dulenko

    OriginalPaper Pages: 74 - 77

11. Highly polarized enamines.

    • N. P. Solov'eva
    • V. A. Makarov
    • V. G. Granik

    OriginalPaper Pages: 78 - 85

12. Synthesis and structure of 2-aryl-2,4-dimethyl-1,2,3,4-tetrahydroquinolines and 1,3-disubstituted indenes

    • O. V. Zvolinskii
    • L. I. Kryvenko
    • N. S. Prostakov

    OriginalPaper Pages: 86 - 90

13. Utilization of the amidoalkylation reaction in the synthesis of hydrogenated pyrimidine-2-thiones

    • A. D. Shutalev
    • V. A. Kuksa

    OriginalPaper Pages: 91 - 95

14. Synthesis of derivatives of 1-(2-carboxyethyl)-(1H,3H)-quinazoline-2,4-dione

    • V. Mitskyavichyus

    OriginalPaper Pages: 96 - 98

15. Investigation of the mechanism of the heterocyclization of 1-heterobutadienylketenes using the MINDO/3, MPDP, and AM1 methods

    • V. A. Bakulev
    • N. Yu. Biryucheva
    • V. A. Pichko

    OriginalPaper Pages: 99 - 105

16. New approach to the synthesis of dibenzodithia-and benzothiaazacrown ethers via the aromatization of 2-alkylthio(arylthio)cyclohexanes during bromination

    • K. V. Kudryatsev
    • V. V. Samofin

    OriginalPaper Pages: 106 - 111

17. 1,3-Thiazepines. 1. Synthesis and spectral properties of 2-iminohexahydro-1,3-thiazepines

    • R. F. Ambartsumova
    • M. G. Levkovich
    • N. D. Abdullaev

    OriginalPaper Pages: 112 - 117

18. Synthesis and structure of dihydrazones obtained from the dihydrazide of 1,3,4-thiadiazole-2,5-dithioglycolic acid

    • A. Rutavichyus
    • S. Valyulene
    • Z. Kuodis

    OriginalPaper Pages: 118 - 124

19. Hetarenes with a bridge nitrogen atom. 5. Synthesis of the indolizine ring by transformation of the oxazolo[3,2-a]pyridinium cation when treated with acetylacetone

    • E. V. Babaev
    • S. V. Bozhenko

    Letters to the Editor Pages: 125 - 126