1. The d_π-p_π interaction bonds between silicon and group VIB elements

   • A. N. Egorochkin
   • N. S. Vyazankin
   • S. Ya. Khorshev

   Brief Communications Pages: 2255 - 2257

2. Reaction of iminoxyl radicals with tetramethylthiuram disulfide

   • R. I. Zhdanov
   • V. A. Golubev
   • É. G. Rozantsev

   Brief Communications Pages: 2258 - 2260

3. Microdetermination of oxyethylene groups

   • V. A. Klimova
   • K. S. Zabrodina

   Brief Communications Pages: 2261 - 2262

4. Iodination of 2-aryl-3-hydroxypyridines

   • L. D. Smirnov
   • V. I. Kuz'min
   • K. M. Dyumaev

   Brief Communications Pages: 2263 - 2264

5. Triterpene glycosides from Sanguisorba officinalis L.

   • V. G. Bukharov
   • L. N. Karneeva

   Brief Communications Pages: 2265 - 2267

6. Investigation of methylmercuric carboranecarboxylates by the PMR method

   • V. N. Kalinin
   • L. A. Fedorov
   • L. I. Zakharkin

   Brief Communications Pages: 2268 - 2270

7. Reaction of sterically hindered phenol toluenesulfonates with nucleophilic reagents

   • V. I. Volod'kina
   • V. V. Ershov
   • I. S. Belostotskaya

   Brief Communications Pages: 2271 - 2273

8. Three-electron transition to nitrophenylsulfenyl chlorides

   • N. T. Ioffe
   • M. I. Kalinkin
   • Z. V. Todres

   Brief Communications Pages: 2274 - 2275

9. Cyclopentadienyltriphenylphosphinomanganese dicarbonyls substituted in the cyclopentadienyl ring

   • D. N. Kursanov
   • V. N. Setkina
   • A. I. Khatami

   Letters to the Editor Pages: 2276 - 2276

10. Exchange reactions of bis (triethylgermyl) mercury with organochlorostannanes and related compounds

    • O. A. Kruglaya
    • B. I. Petrov
    • N. S. Vyazankin

    Letters to the Editor Pages: 2277 - 2277

11. Investigation of mono-N-substituted 5-alkyl-3-iminomethylene-4-thiolene-2-ones by proton magnetic resonance

    • V. S. Bogdanov
    • M. A. Kalik
    • Ya. L. Gol'dfarb

    Letters to the Editor Pages: 2278 - 2278

12. Valence state of molybdenum ions in reduced catalysts

    • G. N. Asmolov
    • O. V. Krylov

    Letters to the Editor Pages: 2279 - 2279

13. Interaction of¹⁴N with protons of the aziridine ring

    • A. A. Fomichev
    • R. G. Kostyanovskii
    • A. A. Borisenko

    Letters to the Editor Pages: 2280 - 2280

14. Trans-2-alkoxyvinylboranes

    • Yu. N. Bubnov
    • V. S. Bogdanov
    • B. M. Mikhailov

    Letters to the Editor Pages: 2281 - 2281

15. System of indices for expression of gas-chromatographic retention data on high-boiling condensed aromatic and heteroaromatic compounds

    • V. A. Ferapontov
    • E. G. Ostapenko
    • V. P. Litvinov

    Letters to the Editor Pages: 2282 - 2282

16. A synthesis of the first carborane derivative containing a boron-transition metal σ-bond

    • L. I. Zakharkin
    • L. V. Orlova

    Letters to the Editor Pages: 2283 - 2283

17. Errata

    Erratum Pages: 2284 - 2284