1. B. A. Arbuzov (on his seventy-fifth birthday)

   Announcement Pages: 2169 - 2169

2. Polarities, polarizabilities, and conformations of the 2-haloalkyl-1,3-dioxanes

   • B. A. Arbuzov
   • V. E. Kataev
   • A. N. Vereshchagin

   Physical Chemistry Pages: 2170 - 2174

3. Polar properties and conformations of the methyl ethers of the ethylene halohydrins

   • B. A. Arbuzov
   • V. E. Kataev
   • A. N. Vereshchagin

   Physical Chemistry Pages: 2175 - 2178

4. The geometrical structures of phosphorus-containing heterocycles 20. 1,3,2-Dioxaphosphorinanes with two geminal axes of internal rotation

   • B. A. Arbuzov
   • V. E. Kataev
   • R. N. Gubaidullin

   Physical Chemistry Pages: 2179 - 2183

5. Study of the conformations of bicyclo[3.3.1]nonane and its derivatives by the method of atom-atom potentials

   • V. K. Mikhailov
   • E. N. Aredova
   • V. A. Shlyapochnikov

   Physical Chemistry Pages: 2184 - 2188

6. Internal diffusion in a biporous adsorbent with rectangular adsorption isotherm 4. Integral equations for adsorption wave front movement in spherical and cylindrical grains

   • P. P. Zolotarev
   • V. I. Ulin

   Physical Chemistry Pages: 2189 - 2193

7. Preparation, stabilization, and catalytic activity of a supported palladium chlorodimethyl sulfoxide complex

   • L. Kh. Freidlin
   • N. M. Nazarova
   • M. A. Annamuradov

   Physical Chemistry Pages: 2193 - 2197

8. IR Spectra of catalysts and adsorbed molecules 24. Preparation of zinc-calcium catalysts

   • L. I. Lafer
   • E. Z. Golosman
   • V. I. Yakerson

   Physical Chemistry Pages: 2197 - 2200

9. IR Spectra of catalysts and adsorbed molecules 25. Isomerization of allene and methylacetylene on aluminum oxide

   • Zh. L. Dykh
   • G. V. Bakulina
   • I. V. Kalechits

   Physical Chemistry Pages: 2201 - 2205

10. The inhibiting action of copper and zinc thiooxinates in ethylbenzene oxidation

    • A. B. Mazaletskii
    • V. G. Vinogradova

    Physical Chemistry Pages: 2206 - 2209

11. Kinetics, products, and mechanism of the reaction of ozone with cumyl hydroperoxide

    • V. V. Shereshovets
    • V. D. Komissarov
    • E. T. Denisov

    Physical Chemistry Pages: 2210 - 2214

12. Kinetics of the reactions of substituted benzoquinones with alkyl radicals

    • I. A. Shlyapnikova
    • V. A. Roginskii
    • V. B. Miller

    Physical Chemistry Pages: 2215 - 2219

13. Homolytic reactions of organophosphorus compounds 5. The kinetics of 2,2′ diphosphon-2,2′-azopropane Homolysis and stabilization of the radical center of the adjacent phosphoryl group

    • Ya. A. Levin
    • A. G. Abul'khanov
    • I. P. Gozman

    Physical Chemistry Pages: 2220 - 2227

14. Synthesis and electrochemical oxidation of derivatives of 1,4-dihydro-1,2,4,5-tetrazine

    • V. Kh. Ivanova
    • B. I. Buzykin
    • Yu. P. Kitaev

    Physical Chemistry Pages: 2227 - 2234

15. Hydrogen exchange in π-cyclopentadienyl-π-(3)-1,2-dicarbollylcobalt and the CH-acidity of the cyclopentadienyl and dicarbollyl ligands

    • E. V. Bykova
    • R. Kh. Bikkineev
    • D. N. Kursanov

    Physical Chemistry Pages: 2235 - 2238

16. The effect of specific solvation on the absorption of millimeter-range radiation in aqueous organic systems

    • V. A. Kudryashova
    • Yu. I. Khurgin
    • A. S. Faleev

    Physical Chemistry Pages: 2239 - 2243

17. Reactions of organometallic derivatives of substituted phenols with dimethyl sulfoxide

    • L. M. Épshtein
    • V. L. Beloborodov
    • L. A. Kazitsyna

    Physical Chemistry Pages: 2243 - 2248

18. Mechanism of the formation of weak complexes of the spatially hindered quinones and phenols

    • G. G. Lazarev
    • Ya. S. Lebedev
    • M. V. Serdobov

    Physical Chemistry Pages: 2249 - 2254

19. Reactions of phenol with N-vinylcarbazole and N-vinylpyrrolidone copolymers in solution

    • K. K. Koshelev
    • S. I. Kudinova
    • E. E. Sirotkina

    Physical Chemistry Pages: 2254 - 2259

20. Behavior of the spatially hindered phenols under chemical ionization in methane

    • V. I. Kadentsev
    • A. V. Krokhin
    • V. V. Ershov

    Physical Chemistry Pages: 2260 - 2266

21. Gas chromatographic characterization of sulfur-containing compounds 4. The effect of unsaturated radicals on the retention indices of the vinyl, allyl, and propargyl alkyl sulfides

    • R. V. Golovnya
    • T. A. Misharina
    • V. G. Garbuzov

    Physical Chemistry Pages: 2266 - 2270

22. Gas chromatographic characterization of sulfur-containing compounds 5. Thiophene, furan, and benzene derivatives

    • R. V. Golovnya
    • V. G. Garbuzov
    • A. F. Aérov

    Physical Chemistry Pages: 2271 - 2274

23. Stereochemistry of the addition of CH₃MgI to cis- and trans-4-caranones

    • B. A. Arbuzov
    • Z. G. Isaeva
    • I. P. Povodyreva

    Organic Chemistry Pages: 2275 - 2278

24. Rearrangements in the 6-nitro-2,9-dioxa-1-azabicyclo[4.3.0]nonane series

    • I. E. Chlenov
    • I. M. Petrova
    • V. A. Tartakovskii

    Organic Chemistry Pages: 2278 - 2283

25. Synthesis of nitrogenous heterocycles of a new type by cyclocooligomerization of 1,3-dienes with furfuraldimines in the presence of nickel complexes

    • U. M. Dzhemilev
    • L. Yu. Gubaidullin
    • G. A. Tolstikov

    Organic Chemistry Pages: 2284 - 2288

26. Investigation of the mechanism of the formation of 2-methylthiophene and thiophene from pentane and hydrogen sulfide with labeled molecules

    • G. V. Isagulyants
    • A. A. Greish
    • L. I. Kovalenko

    Organic Chemistry Pages: 2289 - 2293

27. Synthesis of phenyl isocyanate by the carbonylation of nitrobenzene with carbon monoxide in the presence of palladium complexes

    • G. A. Razuvaev
    • B. K. Nefedov
    • A. V. Smetanin

    Organic Chemistry Pages: 2294 - 2297

28. Reaction of (N-chloroarenesulfonamido) sodiums with 1,1,3- and 3,3,3-trichloropropenes

    • N. A. Rybakova
    • L. N. Kiseleva
    • V. I. Dostovalova

    Organic Chemistry Pages: 2298 - 2300

29. Organoboron compounds. 347. Synthesis of 9-alkyl-1,2,3,4-tetrahydroacridines from anils of cyclohexanone and nitriles with the aid of organoboron compounds

    • B. M. Mikhailov
    • V. A. Dorokhov
    • O. G. Boldyreva

    Organic Chemistry Pages: 2301 - 2304

30. Organoboron compounds. 348. N-dialkylborylamidines from N,N'-disubstituted amidines

    • B. M. Mikhailov
    • V. A. Dorokhov
    • L. I. Lavrinovich

    Organic Chemistry Pages: 2304 - 2310

31. Triethylgermyl (triethylstannyl) derivatives of titanocene and zirconocene

    • G. A. Razuvaev
    • L. I. Vyshinskaya
    • N. L. Ermolaev

    Organic Chemistry Pages: 2310 - 2314

32. 1,3-Dipolar cycloaddition of C-Benzoyl-N-phenyl- and C,N-diphenylnitrones to β-substituted vinylphosphonates

    • B. A. Arbuzov
    • A. F. Lisin
    • Yu. Yu. Samitov

    Organic Chemistry Pages: 2314 - 2319

33. Mechanism of the reactions of trialkyl phosphites with α-halocarbonyl compounds

    • T. Kh. Gazizov
    • A. M. Pyndyk
    • A. N. Pudovik

    Organic Chemistry Pages: 2319 - 2323

34. Anticholinesterase properties of N-[β-(dialkoxyphosphinyl) mercaptoethyl] decahydroquinolines and their methiodides

    • D. N. Dalimov
    • A. A. Abduvakhabov
    • A. S. Sadykov

    Organic Chemistry Pages: 2324 - 2329

35. Transformed steroids. 100. Paths for the synthesis of 16α,17α, 21-trihydroxy-20-keto systems in steroids

    • A. V. Kamernitskii
    • A. K. Kaparov
    • A. V. Skorova

    Organic Chemistry Pages: 2329 - 2332

36. Reaction of 1-dimethylethynylsilyl-2-methylmethoxysilylethylenes and 1-dimethylethynylsilyl-2-methylmethoxysilylacetylenes with hexachlorocyclopentadiene

    • M. G. Voronkov
    • O. G. Yarosh
    • L. V. Shchukina

    Brief Communications Pages: 2333 - 2334

37. ²⁰⁹Bi,¹²¹Sb, and¹²³Sb NQR spectra of some triarylbismuth and triarylantimony compounds

    • E. V. Bryukhova
    • V. P. Kazakov
    • S. I. Pombrik

    Brief Communications Pages: 2334 - 2336

38. Study of NH₂ + NO reaction employing intraresonator laser spectroscopy

    • O. M. Sarkisov
    • S. G. Cheskis
    • É. A. Sviridenkov

    Brief Communications Pages: 2336 - 2338

39. Effect of properties of aluminum oxide on selectivity of Pt/Al₂O₃ in dehydrogenation of n-alkanes

    • G. A. Tarasova
    • L. É. Starannikova
    • G. V. Isagulyants

    Brief Communications Pages: 2339 - 2341

40. Electrochemical and chemical reduction of β,γ-unsaturated δ-cyclosulfonates

    • S. G. Mairanovskii
    • A. M. Moiseenkov
    • A. V. Semenovskii

    Brief Communications Pages: 2342 - 2343

41. Catalytic properties of rhodium bis(dimethylglyoximate) complexes in hydrogenation reactions

    • M. V. Klyuev
    • B. G. Rogachev
    • M. L. Khidekel'

    Brief Communications Pages: 2344 - 2346

42. Cleavage of α-oxides by trimethyliodosilane

    • M. G. Voronkov
    • V. G. Komarov
    • É. I. Dubinskaya

    Brief Communications Pages: 2347 - 2348

43. Aldol condensation involving 2,2,6,6-tetramethyl-4-oxopiperidine

    • V. D. Sholle
    • M. Dagonno
    • É. G. Rozantsev

    Brief Communications Pages: 2348 - 2350

44. State of palladium in deposited Pd/SiO₂ catalysts for carbonylation of ethylene

    • A. L. Lapidus
    • S. D. Pirozhkov
    • Kh. M. Minachev

    Brief Communications Pages: 2351 - 2353

45. Barrier of rotation around N-C=bond in N,N-disubstituted 3-amino-2-arylinden-1-ones and 3-amino-2-arylindene-1-thiones

    • L. I. Lavlinskaya
    • V. A. Pestunovich
    • M. G. Voronkov

    Brief Communications Pages: 2353 - 2356

46. Reaction of sulfoxides with grignard reagents

    • N. A. Nesmeyanov
    • V. A. Kalyavin
    • O. A. Reutov

    Brief Communications Pages: 2356 - 2358

47. Formation of trichlorophosphazopentafluorophenyl from pentafluoroaniline and its trihaloacetyl derivatives

    • T. D. Petrova
    • V. E. Platonov
    • L. M. Meshalkina

    Brief Communications Pages: 2358 - 2360

48. Cryoscopic and¹¹B NMR spectroscopic study of bromine-containing (dialkylamino)- and (diphenylamino) boranes

    • E. A. Balabanova
    • T. G. Sevast'yanova
    • V. I. Spitsyn

    Brief Communications Pages: 2360 - 2362

49. Reaction of fluorocarbanions with sulfenyl chlorides

    • Yu. V. Zeifman
    • L. T. Lantseva
    • I. L. Knunyants

    Brief Communications Pages: 2362 - 2366

50. Difluoroamination of N-acetonylphthalimide

    • A. V. Fokin
    • A. N. Voronkov
    • I. A. Timofeenko

    Brief Communications Pages: 2366 - 2367