1. Study of changes in valence state of chromium in aluminum-chromium catalysts under the influence of aliphatic imino compounds by the EPR method

   • Yu. S. Dol'skaya
   • N. I. Golovina
   • I. N. Golubev

   Brief Communications Pages: 905 - 907

2. Use of comparative calculation methods to study the equilibrium of tautomers and acids (bases)

   • O. A. Erastov
   • S. N. Ignat'eva

   Brief Communications Pages: 908 - 909

3. Effect of substituents on distribution of π-electron density in α, ω-disubstituted polyenes

   • L. A. Yanovskaya
   • G. V. Kryshtal
   • V. I. Minkin

   Brief Communications Pages: 910 - 911

4. Bis(trifluoromethyl)mercury as a readily available source of difluorocarbene

   • I. L. Knunyants
   • Ya. F. Komissarov
   • L. T. Lantseva

   Brief Communications Pages: 912 - 913

5. Temperature dependence of reaction for alkylation of ferrocene in the presence of reducing agents

   • A. N. Nesmeyanov
   • N. S. Kochetkova
   • Yu. K. Krynkina

   Brief Communications Pages: 914 - 915

6. Triphenylphosphine carboxylate complexes of platinum and palladium

   • I. S. Kolomnikov
   • V. P. Kukolev
   • M. E. Vol'pin

   Brief Communications Pages: 916 - 917

7. Addition of chloromethyl alkyl ethers to vinylbromacetylene

   • M. V. Mavrov
   • A. P. Rodionov
   • V. F. Kucherov

   Brief Communications Pages: 918 - 920

8. Synthesis of substituted dimeric bis-π-allylrhodium chlorides by allylation of Na₃RhCl₆ with allylic mercury compounds

   • A. Z. Rubezhov
   • A. S. Ivanov
   • S. P. Gubin

   Brief Communications Pages: 921 - 922

9. Solvolysis of cumenyl chlorides, coordinated with the Cr(CO)₃ group

   • A. Z. Kreindlin

   Brief Communications Pages: 923 - 925

10. Optically active diethyl ester of α-aminobenzylphosphonic acid

    • S. V. Rogozhin
    • V. A. Davankov
    • Yu. P. Belov

    Brief Communications Pages: 926 - 927

11. Synthesis of polycyclic tetramethyl-tetraphenylcyclooctasilsesquioxane

    • K. A. Andrianov
    • V. S. Tikhonov
    • G. S. Chernov

    Brief Communications Pages: 928 - 928

12. Transformation of 4-vinylcyclohexene oxide on Pd and Pt catalysts

    • L. N. Khabibullina
    • A. R. Kuzyev
    • S. R. Rafikov

    Brief Communications Pages: 929 - 930

13. 1-Ferrocenyl-1,3-butadieneiron tricarbonyl and isomerization of 1-ferrocenyl-1-buten-3-ol

    • N. S. Nametkin
    • A. I. Nekhaev
    • V. N. Dontsova

    Letters to the Editor Pages: 931 - 931

14. Spin-spin exchange in iminoxyl biradical via a system of conjugated π-bonds

    • A. B. Shapiro
    • M. G. Gol'dfel'd
    • E. G. Rozantsev

    Letters to the Editor Pages: 932 - 932

15. Reaction of 3-nitro-4,5-dihydro-6H-1,2-oxazine with acetylenes

    • I. E. Chlenov
    • I. L. Sokolova
    • V. A. Tartakovskii

    Letters to the Editor Pages: 933 - 933

16. Formation of free radicals in reactions of aromatic nitro compounds with alkalies and alcoholates

    • I. I. Bil'kis
    • S. M. Shein

    Letters to the Editor Pages: 934 - 934

17. Catalytic C₃- and C₆-cyclization of 1,3,5-hexatriene on aluminum oxide

    • B. A. Kazanskii
    • M. I. Rozengart
    • V. G. Bryukhanov

    Letters to the Editor Pages: 935 - 935