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Telomerization of dimethylcyclosiloxanes. Communication 7. Preparation of dimethylsiloxane oligomers with functional groups in the organic group

Summary

  1. 1.

    The introduction of polar groups in the organic group of organosilanes greatly activates them in thetelomerization reaction with hexamethylcyclotrisiloxane.

  2. 2.

    The activity of (substituted-alkyl)chlorosilanes depends on the position of the polar group relative to the silicon atom and falls in the series β>α >γ.

  3. 3.

    The cyano group has a greater effect than a chlorine atom: CN>Cl.

  4. 4.

    Ten previously undescribed compounds were synthesized.

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Literature cited

  1. 1.

    K. A. Andrianov, V. V. Severnyi and B. A. Izmailov, Izv. AN SSSR. Otd. khim. n., 282 (1963).

  2. 2.

    K. A. Andrianov and V. V. Severnyi, Izv. AN SSSR. Otd. khim. n., 82 (1963).

  3. 3.

    K. A. Andrianov and V. V. Severnyi, Papers Read at the Twelth Conference on Macromolecular Compounds [in Russian], Baku, (1962).

  4. 4.

    E. A. Chernyshev, V. F. Mironov and A. D. Petrov, Chemistry and Practical Application of Organosilicon Compounds [in Russian], No. 1, Leningrad (1958), p. 115.

  5. 5.

    K. A. Andrianov and V. V. Severnyi, Izv. AN SSSR. Ser. khim., 1268 (1964).

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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1271–1275, July, 1964

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Andrianov, K.A., Severnyi, V.V. Telomerization of dimethylcyclosiloxanes. Communication 7. Preparation of dimethylsiloxane oligomers with functional groups in the organic group. Russ Chem Bull 13, 1178–1181 (1964). https://doi.org/10.1007/BF00863125

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Keywords

  • Silicon
  • Chlorine
  • Oligomer
  • Chlorine Atom
  • Polar Group