1. The system chromyl chloride-chromic anhydride and the preparation of chromic anhydride of high purity

   • S. Z. Makarov
   • A. A. Vakhrushev

   OriginalPaper Pages: 1467 - 1470

2. Study of crystallization processes occurring in the system CaO-Al₂O₃-SiO₂ on introduction of 10 % of CaF₂

   • N. A. Toropov
   • I. A. Bondar'

   OriginalPaper Pages: 1471 - 1475

3. Rapid combustion of organic material in the determination of phosphorus and nitrogen in natural waters

   • V. T. Kaplin
   • A. D. Semenov
   • V. G. Datsko

   OriginalPaper Pages: 1476 - 1478

4. Catalytic properties of rhenium Communication 2. Dehydrogenation of cyclohexane

   • A. A. Balandin
   • E. I. Karpeiskaya
   • A. A. Tolstopyatova

   OriginalPaper Pages: 1479 - 1484

5. Effect of illumination on the adsorptive power and catalytic activity of a semiconductor

   • F. F. Vol'kenshtein
   • Sh. M. Kogan

   OriginalPaper Pages: 1485 - 1492

6. Determination of the cohesion of metallic coatings to a base of different nature by the electrochemical method

   • A. I. Lipln

   OriginalPaper Pages: 1493 - 1497

7. Directed valences Communication 1. Directions and maximum values of hybrid functions for coordination numbers 2, 3, and 4

   • M. G. Shirmazan
   • M. E. Dyatkina

   OriginalPaper Pages: 1498 - 1505

8. Kinetics and mechanism of the reaction of oxygen atoms with carbon monoxide

   • L. I. Avramenko
   • R. V. Kolesnikova

   OriginalPaper Pages: 1506 - 1513

9. Fluorescence spectra of aromatic hydrocarbons of the biphenyl series and their oxygen- and sulfur-containing analogs

   • V. I. Levshin
   • Kh. I. Mamedov
   • S. D. Pustil'nikova

   OriginalPaper Pages: 1514 - 1520

10. Thermographic study of the isomerization of cyclic phosphorous esters of glycols containing a six-membered ring under the action of alkyl halides

    • B. A. Arbuzov
    • V. M. Zoroastrova
    • M. K. Saikina

    OriginalPaper Pages: 1521 - 1526

11. Anomalous course of the reaction between sodium O, O-diethyl phosphorothioite and and p-chlorobenzenesulfonyl chloride

    • L. Almási
    • A. Gants

    OriginalPaper Pages: 1527 - 1531

12. Polyorganometallosiloxanes Communication 2. Synthesis of polyorganoaluminocobaltosiloxanes and polyorganoaluminonickelosiloxanes

    • K. A. Andrianov
    • A. A. Zhdanov

    OriginalPaper Pages: 1532 - 1535

13. Structural orientation in the diene condensations of 2-alkyl-1,3-butadienes with unsymmetrical dienophiles

    • I. N. Nazarov
    • Yu. A. Titov
    • A. I. Kuznetsova

    OriginalPaper Pages: 1536 - 1544

14. Synthetic anesthetics Communication 28. Esters of α-alkyl-α-(dialkylaminomethyl)benzyl alcohols

    • I. N. Nazarov
    • E. M. Cherkasova
    • G. S. Erkomaishvili

    OriginalPaper Pages: 1545 - 1550

15. Investigation of the composition of the 150–250° fraction of emben petroleum

    • B. A. Kazanskii
    • G. S. Landsberg
    • S. A. Ukholin

    OriginalPaper Pages: 1551 - 1559

16. Life of catalyst without regeneration in the catalytic dehydrogenation of isopentane

    • E. A. Timofeeva
    • N. I. Shuikin
    • V. M. Kleimenova

    OriginalPaper Pages: 1560 - 1563

17. Polymerization and copolymerization of N-vinyl compounds Communication 5. Polymerization of N-vinylsuccinimide

    • A. F. Nikolaev
    • S. N. Ushakov
    • I. G. Krasnosel'skaya

    OriginalPaper Pages: 1564 - 1567

18. Polymerization and copolymerization of N-vinyl compounds Communication 6. Copolymerization of N-vinylsuccinimide and methyl methacrylate

    • A. F. Nikolaev
    • N. S. Ushakov
    • R. B. Grinburg

    OriginalPaper Pages: 1568 - 1571

19. Substituted vinyl ethers Communication 1. Synthesis of ethyl 1-substituted vinyl ethers

    • M. F. Shostakovskii
    • Mageram Mamedov

    OriginalPaper Pages: 1572 - 1575

20. Selectivity of catalysts Communication 3. Hydrogenation of isoprene over Raney nickel

    • L. Kh. Freidlin
    • A. A. Balandin
    • I. P. Yakovlev

    OriginalPaper Pages: 1576 - 1580

21. Synthesis of liquid hydrocarbons from carbon monoxide and hydrogen over a mixed cobalt-nickel catalyst

    • Ya. T. Éidus
    • N. I. Ershov

    OriginalPaper Pages: 1581 - 1582

22. Catalytic hydrocondensation of carbon monoxide with olefins Communication 24. Hydrocondensation of carbon monoxide with ethylene over a cobalt-nickel and other mixed cobalt catalysts

    • Ya. T. Éidus
    • N. I. Ershov

    OriginalPaper Pages: 1583 - 1587

23. Mechanism of the catalytic hydropolymerization of olefins under the action of small amounts of carbon monoxide in presence of hydrogen

    • Ya. T. Éidus
    • N. I. Ershov

    OriginalPaper Pages: 1588 - 1593

24. Study of the polycondensation of glycylglycine ethyl ester

    • T. D. Rozarenko
    • K. T. Poroshin
    • M. G. Kuz'mina

    Brief Communications Pages: 1594 - 1596

25. Raman-spectrum investigation of the equatorial and axial carbonyl groups of some substituted cyclohexanes

    • M. I. Batuev
    • A. A. Akhrem
    • A. D. Matveeva

    Brief Communications Pages: 1597 - 1600

26. Raman-spectrum investigation of the conformations of cis-and trans-1,3-dimethylcyclohexanols

    • M. I. Batuev
    • A. A. Akhrem
    • A. D. Matveeva

    Brief Communications Pages: 1601 - 1603

27. Exchange reactions between organotin compounds and thallium trichloride

    • A. E. Borlsov
    • N. V. Novikova

    Brief Communications Pages: 1604 - 1606

28. Extraction of indophenol from aqueous solutions with organic solvents

    • V. T. Kaplin
    • V. G. Datsko

    Brief Communications Pages: 1607 - 1608

29. Preparation of aromatic polymers via bisdiazo compounds

    • A. A. Berlin
    • V. P. Parini

    Brief Communications Pages: 1609 - 1610

30. Synthesis of 1-buten-3-ynyl butyl ether and tetrolaldehyde dibutyl acetal by the action of sodium butoxide on 1,4-dichloro-2-butyne

    • A. Kh. Khomenko
    • A. K. Gorban'

    Brief Communications Pages: 1611 - 1612

31. Comparative stabilities of the glucoside link in cellulose and its models

    • Z. I. Kuznetsova
    • V. I. Ivanov

    Brief Communications Pages: 1613 - 1614

32. Selective hydrogenation of an acetylenic bond conjugated with an ethylenic bond over a zinc catalyst

    • L. Kh. Freidlin
    • V. I. Gorshkov
    • T. K. Lavrovskaya

    Brief Communications Pages: 1615 - 1617

33. Chemisorption on defects on a semiconductor surface

    • Sh. M. Kogan
    • B. V. Sandomirskii

    Brief Communications Pages: 1618 - 1620

34. Absorption spectra of derivatives of N-(2-p-nitrophenylethyl)- and N-[2-(2,4-dinitrophenyl)ethyl]-anilines

    • V. A. Izmail'skii
    • V. E. Limanov

    Brief Communications Pages: 1621 - 1625

35. Catalytic properties of some macromolecular structures

    • A. A. Berlin
    • L. A. Blyumenfel'd
    • N. N. Semenov

    Letters to the Editor Pages: 1626 - 1626

36. Reaction of butadiyne with amines

    • M. F. Shostakovskii
    • I. A. Chekulaeva
    • L. V. Kondrat'eva

    Letters to the Editor Pages: 1627 - 1627

37. Rearrangement of the free propyl radical

    • O. A. Reutov
    • T. N. Shatkina

    Letters to the Editor Pages: 1627 - 1628

38. Stereochemistry of electrophilic substitution at a saturated carbon atom

    • O. A. Reutov
    • É. V. Uglova

    Letters to the Editor Pages: 1628 - 1628

39. Session in honor of the centenary of the birth of S. A. Arrhenius

    Current Events Pages: 1629 - 1629

40. From the Commission on Chemical Thermodynamics of the Division of Chemical Sciences of the Academy of Science of the USSR

    Current Events Pages: 1630 - 1630