Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes

Steinhauer S, Bader J, Stammler H-G, Ignat'ev N, Hoge B (2014)
Angewandte Chemie International Edition 53(20): 5206-5209.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
The synthesis and complete characterization of functional, highly Lewis acidic tris(pentafluoroethyl)silanes as well as tetrakis(perfluoroalkyl)silanes Si(C2F5)(4) and Si(C2F5)(3)CF3 by direct fluorination is described. The reaction of SiCl4 with LiC2F5 invariably affords (pentafluoroethyl)fluorosilicates. To avoid silicate formation by fluoride transfer from LiC2F5 the Lewis acidity of the silane has to be decreased by electron-donating substituents, such as dialkylamino groups. The easily accessible Si(C2F5)(3)NEt2 is a valuable precursor for a series of tris(pentafluoroethyl)silanes.
Stichworte
silanes; Lewis acids; direct fluorination; fluorine
Erscheinungsjahr
2014
Zeitschriftentitel
Angewandte Chemie International Edition
Band
53
Ausgabe
20
Seite(n)
5206-5209
ISSN
1433-7851
Page URI
https://pub.uni-bielefeld.de/record/2681738

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Steinhauer S, Bader J, Stammler H-G, Ignat'ev N, Hoge B. Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes. Angewandte Chemie International Edition. 2014;53(20):5206-5209.
Steinhauer, S., Bader, J., Stammler, H. - G., Ignat'ev, N., & Hoge, B. (2014). Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes. Angewandte Chemie International Edition, 53(20), 5206-5209. doi:10.1002/anie.201400291
Steinhauer, S., Bader, J., Stammler, H. - G., Ignat'ev, N., and Hoge, B. (2014). Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes. Angewandte Chemie International Edition 53, 5206-5209.
Steinhauer, S., et al., 2014. Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes. Angewandte Chemie International Edition, 53(20), p 5206-5209.
S. Steinhauer, et al., “Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes”, Angewandte Chemie International Edition, vol. 53, 2014, pp. 5206-5209.
Steinhauer, S., Bader, J., Stammler, H.-G., Ignat'ev, N., Hoge, B.: Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes. Angewandte Chemie International Edition. 53, 5206-5209 (2014).
Steinhauer, Simon, Bader, Julia, Stammler, Hans-Georg, Ignat'ev, Nikolai, and Hoge, Berthold. “Synthesis of Tris- and Tetrakis(pentafluoroethyl)silanes”. Angewandte Chemie International Edition 53.20 (2014): 5206-5209.

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