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.

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Abstract
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.
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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.
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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2 Citations in Europe PMC

Data provided by Europe PubMed Central.

Synthesis of chlorosilicates.
Steinhauer S, Bottcher T, Schwarze N, Neumann B, Stammler HG, Hoge B., Angew. Chem. Int. Ed. Engl. 53(48), 2014
PMID: 25256121
Solid-state structure of a Li/F carbenoid: pentafluoroethyllithium.
Waerder B, Steinhauer S, Neumann B, Stammler HG, Mix A, Vishnevskiy YV, Hoge B, Mitzel NW., Angew. Chem. Int. Ed. Engl. 53(43), 2014
PMID: 25205058

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