Advertisement

Russian Journal of General Chemistry

, Volume 75, Issue 9, pp 1399–1401 | Cite as

Radiochemical Study of the Reactions of Diethylsilylium Ions with Hexamethyldisilazane and Isobutylamine in the Gas Phase

  • D. V. Vrazhnov
  • T. A. Kochina
  • E. N. Sinotova
  • I. S. Ignat'ev
  • E. O. Kalinin
Article

Abstract

Ion-molecule reactions of diethylsilylium ions with hexamethyldisilazane and isobutylamine were studied radiochemically. These reactions, like the previously studied reactions of diethylsilylium ions with tert-butylaminotrimethylsilane, occur exclusively along the condensation pathway; in both cases, the diethylsilylium ion undergoes a rearrangement. The extremely low degree of rearrangement of the diethylsilylium ion and high yield of the labeled substrate in the reaction with isobutylamine are due to the presence of two labile N-H hydrogen atoms, resulting in active isotope exchange between the Si-T tritium atoms and N-H hydrogen atoms and in shorter lifetime of the condensation complex, caused by more intense bimolecular deprotonation of the complex.

Keywords

Hydrogen Hydrogen Atom Tritium Isotope Exchange Short Lifetime 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

REFERENCES

  1. 1.
    Kochina, T.A., Shchukin, E.V., Nefedov, V.D., and Sinotova, E.N., Zh. Obshch. Khim., 2000, vol. 70, no.8, p. 1315.Google Scholar
  2. 2.
    Kochina, T.A., Vrazhnov, D.V., Sinotova, E.N., and Ignat'ev, I.S., Zh. Obshch. Khim., 2005, vol. 75, no.1, p. 77.Google Scholar
  3. 3.
    Kochina, T.A., Ignat'ev, I.S., and Vrazhnov, D.V., Zh. Obshch. Khim., 2005, vol. 75, no.8, p. 1293.Google Scholar
  4. 4.
    Shchegolev, B.F. and Kochina, T.A., Main Group Chem., 1998, vol. 2, no.3, p. 203.Google Scholar
  5. 5.
    Kochina, T.A., Vrazhnov, D.V., and Ignatyev, I.S., J. Organomet. Chem., 1999, vol. 586, nos.1–2, p. 241.Google Scholar
  6. 6.
    Ignatyev, I.S. and Sundius, T., Organometallics, 1998, vol. 17, no.13, p. 2819.CrossRefGoogle Scholar
  7. 7.
    Kochina, T.A., Sinotova, E.N., and Vrazhnov, D.V., Zh. Obshch. Khim., 2005, vol. 75, no.5, p. 751.Google Scholar
  8. 8.
    Ignat'ev, I.S. and Kochina, T.A., Zh. Obshch. Khim., 2005, vol. 75, no.5, p. 754.Google Scholar
  9. 9.
    Ignat'ev, I.S., Kochina, T.A., Nefedov, V.D., Sinotova, E.N., and Vrazhnov, D.V., Zh. Obshch. Khim., 1997, vol. 67, no.6, p. 962.Google Scholar
  10. 10.
    Kochina, T.A., Vrazhnov, D.V., Sinotova, E.N., Katsap, M.Yu., and Shchegolev, B.F., Zh. Obshch. Khim., 2001, vol. 71, no.10, p. 1644.Google Scholar
  11. 11.
    Nefedov, V.D., Kochina, T.A., and Sinotova, E.N., Usp. Khim., 1986, vol. 55, no.5, p. 794.Google Scholar
  12. 12.
    Kochina, T.A., Vrazhnov, D.V., Nefedov, V.D., and Sinotova, E.N., Zh. Obshch. Khim., 1998, vol. 68, no.6, p. 967.Google Scholar
  13. 13.
    Sauer, R.O. and Hasek, R.H., J. Am. Chem. Soc., 1946, vol. 68, no.2, p. 241.CrossRefGoogle Scholar
  14. 14.
    Zhinkin, D.Ya., Mal'nova, G.N., and Gorislavskaya, Zh.V., Zh. Obshch. Khim., 1965, vol. 35, no.5, p. 907.Google Scholar

Copyright information

© MAIK "Nauka/Interperiodica" 2005

Authors and Affiliations

  • D. V. Vrazhnov
    • 1
  • T. A. Kochina
    • 1
  • E. N. Sinotova
    • 2
  • I. S. Ignat'ev
    • 2
  • E. O. Kalinin
    • 2
  1. 1.Grebenshchikov Institute of Silicate ChemistryRussian Academy of SciencesSt. PetersburgRussia
  2. 2.St. Petersburg State UniversitySt. PetersburgRussia

Personalised recommendations