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Synfacts 2011(3): 0271-0271  
DOI: 10.1055/s-0030-1259436
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Round and Round We Go

Contributor(s): Timothy M. Swager, Jason R. Cox
J. Lalevée*, N. Blanchard, M.-A. Tehfe, F. Morlet-Savary, J. P. Fouassier
University of Haute Alsace, Mulhouse Cedex, France
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Publikationsdatum:
16. Februar 2011 (online)

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Significance

This work describes the cationic polymerization of epoxides photoinitiated by a ­ruthenium(II) complex. A series of electron-transfer events generates a silyl radical, which is subsequently oxidized to a silylium cation and initiates the polymerization. The efficiency of the photo-­initiating system is evident by the fast conversions of monomers - 60% in four minutes.