Communication

Radical Polymerization of the Silene (Me3Si)2Si[DOUBLE BOND]CR2 by Hydrogen Transfer from a Trimethylsilyl Group†

  1. Dmitry Bravo-Zhivotovskii Dr.,
  2. Semyon Melamed,
  3. Victoria Molev,
  4. Nadejda Sigal Dr.,
  5. Boris Tumanskii Dr.,
  6. Mark Botoshansky Dr.,
  7. Gregory Molev,
  8. Yitzhak Apeloig Prof. Dr.

Article first published online: 2 FEB 2009

DOI: 10.1002/anie.200805840

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 48, Issue 10, pages 1834–1837, February 23, 2009

Additional Information

How to Cite

Bravo-Zhivotovskii, D., Melamed, S., Molev, V., Sigal, N., Tumanskii, B., Botoshansky, M., Molev, G. and Apeloig, Y. (2009), Radical Polymerization of the Silene (Me3Si)2Si[DOUBLE BOND]CR2 by Hydrogen Transfer from a Trimethylsilyl Group. Angew. Chem. Int. Ed., 48: 1834–1837. doi: 10.1002/anie.200805840

Author Information

  1. Shulich Faculty of Chemistry and the Lise Meitner—Minerva Center for Computational Quantum Chemistry, Technion—Israel Institute of Technology, Haifa 32000 (Israel), Fax: (+972) 48294601

  1. †

    The authors thank the Israel Science Foundation administrated by the Israel Academy of Sciences and Humanities, the Minerva Foundation in Munich, and the Fund for the Promotion of Research at the Technion for financial support. D.B.-Z., B.T. and M.B. are grateful to the Ministry of Immigrant Absorption, State of Israel, for a “Kamea” scholarship. V.M. thanks the Israel Ministry of Science, Culture and Sport for a “Promotion of Women in Science” Scholarship. CR2=2-adamantylidene.

Publication History

  1. Issue published online: 17 FEB 2009
  2. Article first published online: 2 FEB 2009
  3. Manuscript Received: 1 DEC 2008

Funded by

  • Israel Science Foundation
  • Minerva Foundation

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Keywords:

  • hydrogen transfer;
  • polycarbosilanes;
  • polymerization;
  • radicals;
  • silenes

Abstract

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The silene (Me3Si)2Si[DOUBLE BOND]Ad is polymerized to produce a polycarbosilane with an unusual Si[BOND]Si[BOND]C repeating backbone, rather than the Si[BOND]C or Si[BOND]Si[BOND]C[BOND]C units expected for olefinic radical polymerization. The polymer structure and the polymerization mechanism (see scheme) were studied by GPC, EPR, and NMR spectroscopy and by trapping experiments.

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