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Synthesis and some properties of functional linear and cyclic polyethylsiloxanes

  • Organic Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The stepwise condensation of ethylchlorosilane with diethylsilanediol and 1,3-dihy-droxytetraethyldisiloxane was used to obtain 2,6- and 2,8-dichloroethylcyclotetra (penta, hexa) siloxanes. It was established that the reaction is accompanied by intramolecular cyclization in the reaction with 1,3-dihydroxytetraethyldisiloxane: in the first step with the formation of chloropentaethylcyclotrisiloxane and in the second step with the formation of 2,8-dichlorodecaethylcyclohexasiloxane and its structural isomer.

  2. 2.

    An increased tendency to form ethylbicyclo [3.5.1]penta- and ethylbicyclo[5.5.1]-hexasiloxane was observed in the hydrolysis of 2,6-dichlorooctaethylcyclopenta- and 2,8-dichlorodecaethylcyclohexasiloxanes.

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Literature cited

  1. N. N. Makarova, B. D. Lavrukhin, T. V. Timofeeva, and V. N. Zelencheva, Izv. Akad. Nauk SSSR, Ser. Khim., No. 5, 114 (1985).

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Authors and Affiliations

  1. A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow

    N. N. Makarova, B. D. Lavrukhin, G. N. Turkel'taub, N. N. Kuz'min, I. M. Petrova & E. V. Matukhina

Authors
  1. N. N. Makarova
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  2. B. D. Lavrukhin
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  3. G. N. Turkel'taub
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  4. N. N. Kuz'min
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  5. I. M. Petrova
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  6. E. V. Matukhina
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1351–1357, June, 1989.

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Makarova, N.N., Lavrukhin, B.D., Turkel'taub, G.N. et al. Synthesis and some properties of functional linear and cyclic polyethylsiloxanes. Russ Chem Bull 38, 1234–1240 (1989). https://doi.org/10.1007/BF00957159

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  • DOI: https://doi.org/10.1007/BF00957159

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