1. The theory of tautomeric complex systems

   • B. I. Sukhorukov
   • V. I. Poltev

   Physical Chemistry Pages: 1235 - 1242

2. The refractometric method of analysis as applied to the equilibrium of catalytic reactions

   • V. V. Patrikeev
   • S. K. Shakhova

   Physical Chemistry Pages: 1243 - 1245

3. Organoboron compounds Communication 119. Action of boron tribromide on olefins

   • B. M. Mikhailov
   • M. E. Nikolaeva

   Organic and Biological Chemistry Pages: 1246 - 1250

4. Organomagnesium synthesis of some organophosphorus compounds in an ether-free medium

   • B. N. Strunin
   • O. Yu. Okhlobystin
   • L. I. Zakharkin

   Organic and Biological Chemistry Pages: 1251 - 1253

5. Synthesis of ferrocene derivatives from ferrocenecarbonitriles

   • A. N. Nesmeyanov
   • É. G. Perevalova
   • K. I. Grandberg

   Organic and Biological Chemistry Pages: 1254 - 1256

6. β-Keto phosphonic esters Communication 12. Structures of the products of the reaction of some α-halo ketones of the aromatic series with triethyl phosphite and with sodium diethyl phosphite

   • B. A. Arbuzov
   • V. S. Vinogradova
   • A. K. Shamsutdinova

   Organic and Biological Chemistry Pages: 1257 - 1264

7. Perfluorodimethylketene and perfluoromethacrylic acid Communication 1. Hexafluoroisobutyryl chlorides from fluorinated ethers

   • I. L. Knunyants
   • Yu. A. Cheburkov
   • M. D. Bargamova

   Organic and Biological Chemistry Pages: 1265 - 1268

8. Perfluorodimethylketene and perfluoromethacrylic acid Communication 2. Comparison of 2-hydrohexafluoroisobutyryl halides in their reaction with triethylamine

   • I. L. Knunyants
   • Yu. A. Cheburkov
   • M. D. Bargamova

   Organic and Biological Chemistry Pages: 1269 - 1272

9. Triterpenoid saponins Communication 4. Structures of aralosides A and B

   • N. K. Kochetkov
   • A. Ya. Khorlin
   • V. E. Vas'kovskii

   Organic and Biological Chemistry Pages: 1273 - 1281

10. Triterpenoid saponins Communication 5. Structures of aralosides A and B

    • N. K. Kochetkov
    • A. Ya. Khorlin
    • V. E. Vas'kovskii

    Organic and Biological Chemistry Pages: 1282 - 1288

11. Unsaturated acids and macrocyclic lactones Communication 11. Total syntheses of cis-8-hexadecenoic, cis-11-hexadecenoic (palmitovaccenic), cis-7-octadecenoic, and cis-9-hexacosenoic acids

    • L. D. Bergel'son
    • V. A. Vaver
    • M. M. Shemyakin

    Organic and Biological Chemistry Pages: 1289 - 1292

12. Stereochemistry of cyclic compounds Communication 56. Steric orientation in the diene condensation of 1-(1-chlorovinyl)cyclohexene with trans-1-nitropropene

    • G. M. Segal'
    • L. P. Rybkina
    • V. F. Kucherov

    Organic and Biological Chemistry Pages: 1293 - 1298

13. Synthesis of someβ-diketones of the perhydroindan series, and the character of their enolization

    • V. F. Kucherov
    • T. A. Severina
    • B. A. Rudenko

    Organic and Biological Chemistry Pages: 1299 - 1307

14. Some reactions ofβ-diketones of the perhy droindan series

    • L. N. Ivanova
    • T. A. Severina
    • V. F. Kucherov

    Organic and Biological Chemistry Pages: 1308 - 1314

15. Corticosteroid analogs Communication 13. cis-Opening of 1-acetyl-1,2-epoxycyclohexane

    • A. M. Moiseenko
    • A. A. Akhrem

    Organic and Biological Chemistry Pages: 1315 - 1319

16. New method for the synthesis of macrocyclic compounds Communication 4. Effect of the length of the aliphatic chain on the character and yields of the products formed in the intramolecular acylation of 2-thiophenealkanoyl chlorides

    • Ya. L. Gol'dfarb
    • S. Z. Taits
    • L. I. Belen'kii

    Organic and Biological Chemistry Pages: 1320 - 1327

17. New method for the synthesis of macrocyclic compounds Communication 5. Investigation of the effect of the phase composition of the reaction mixture on the intramolecular acylation of 2-thiophenedecanoyl chloride

    • S. Z. Taits
    • L. I. Belen'kii
    • Ya. L. Gol'dfarb

    Organic and Biological Chemistry Pages: 1328 - 1334

18. Catalytic dehydrocyclization of 2-octylnaphthalene

    • N. I. Shuikin
    • L. A. Érivanskaya
    • L. P. Romanova

    Organic and Biological Chemistry Pages: 1335 - 1339

19. Liquid-phase hydrogenation of 2-acetyl-5-methylfuran

    • N. I. Shuikin
    • I. F. Bel'skii
    • V. M. Shostakovskii

    Organic and Biological Chemistry Pages: 1340 - 1342

20. Catalytic decomposition of epoxides

    • N. I. Shuikin
    • V. V. An

    Organic and Biological Chemistry Pages: 1343 - 1347

21. Polymerization of methyl methacrylate in presence of organoaluminum compounds

    • K. S. Minsker
    • A. I. Graevskii
    • G. A. Razuvaev

    Organic and Biological Chemistry Pages: 1348 - 1350

22. Synthesis of polymers from diphenylmethane derivatives with the aid of the polyrecombination reaction

    • V. A. Vasnev
    • S. L. Sosin
    • V. V. Korshak

    Organic and Biological Chemistry Pages: 1351 - 1358

23. Boric polyesters

    • V. V. Korshak
    • V. A. Zamyatina
    • A. I. Solomatina

    Organic and Biological Chemistry Pages: 1359 - 1364

24. Thin-layer chromatography of natural coumarins and furanocoumarins

    • N. S. Vul'fson
    • V. I. Zaretskii
    • L. S. Chetverikova

    Brief Communications Pages: 1365 - 1367

25. Triallylantimony

    • A. E. Borisov
    • N. V. Novikova
    • A. N. Nesmeyanov

    Brief Communications Pages: 1368 - 1369

26. Alkenyl compounds of bismuth

    • A. E. Borisov
    • M. A. Osinova
    • A. N. Nesmeyanov

    Brief Communications Pages: 1370 - 1372

27. Reaction of a free organic radical with grignard reagent

    • É. G. Rozantsev
    • M. B. Neiman
    • Yu. G. Mamedova

    Brief Communications Pages: 1373 - 1374

28. A study of some polyene ketones by the electron paramagnetic resonance method

    • B. A. Arbuzov
    • G. G. Butenko
    • Yu. V. Yablokov

    Brief Communications Pages: 1375 - 1377

29. Reaction of ethylene with trihalogenomethanes containing chlorine and bromine

    • A. B. Belyavskii
    • V. N. Kost

    Brief Communications Pages: 1378 - 1380

30. New stable phenoxyl radicals

    • G. N. Bogdanov
    • V. V. Ershov

    Brief Communications Pages: 1381 - 1383

31. Investigation of the reaction of methyl isothiocyanate with ethylene oxide by the proton magnetic resonance method

    • G. A. Razuvaev
    • A. N. Egorochkin
    • A. P. Sineokov

    Brief Communications Pages: 1384 - 1386

32. Identity of gypsoside and a triterpene saponin from gypsophila paniculata L

    • A. Ya. Khorlin
    • Yu. S. Ovodov
    • R. G. Ovodova

    Brief Communications Pages: 1387 - 1388

33. Preparation of hexafluorobenzene from hexachlorobenzene

    • N. N. Vorozhtsov Jr.
    • V. E. Platonov
    • G. G. Yakobson

    Letters to the Editor Pages: 1389 - 1389

34. Mass spectra of phenylthiohydantoins of amino acids

    • N. S. Vul'fson
    • V. M. Stepanov
    • A. M. Zakun

    Letters to the Editor Pages: 1390 - 1390

35. Excitement by fast electrons of the triplet states of the molecules of naphthalene and benzene

    • M. V. Alfimov
    • N. Ya. Buben
    • V. N. Shamshev

    Letters to the Editor Pages: 1391 - 1391

36. The question of the nature of the “β-effect” in allyl derivatives of Si, Ge, and Sn.

    • L. A. Leites

    Letters to the Editor Pages: 1392 - 1392

37. Reduction of esters of carboxylic acids to aldehydes by sodium aluminum hydride

    • L. I. Zakharkin
    • V. V. Gavrilenko
    • D. N. Maslin

    Letters to the Editor Pages: 1393 - 1393

38. Photochemical reaction between triphenylphosphine and diphenyliodonium salts

    • O. A. Ptitsyna
    • M. F. Turchinskii
    • O. A. Reutov

    Letters to the Editor Pages: 1394 - 1394

39. The reaction of propylene with palladous chloride in acetic acid solutions

    • I. I. Moiseev
    • A. P. Belov
    • Ya. K. Syrkin

    Letters to the Editor Pages: 1395 - 1395