Pentafluoroethylsilicic Acids

Schwarze N, Steinhauer S, Neumann B, Stammler H-G, Hoge B (2016)
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 55(50): 15528-15530.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
Pure anhydrous hexafluorosilicic acid (H-2[SiF6]) is a still elusive species, although its existence in aqueous solutions is well documented. Desiccation inevitably leads to decomposition to form tetrafluorosilane and hydrogen fluoride. An oxonium hexafluorosilicate turned out to not be stable at room temperature. Partial substitution of the fluorine atoms with strong electron-withdrawing perfluoroalkyl groups results in substantial stabilization of the corresponding fluorosilicic acids. Mono-and bis(pentafluoroethyl)-substituted fluorosilicic acids were prepared through conversion of the respective halosilanes (Si(C2F5)(n)X4-n, with X = Cl, Br) with aqueous HF, and were obtained as colorless solids. They can be stored at room temperature for several months without decomposition, and thus are the first examples of stable fluorosilicic acids.
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Zeitschriftentitel
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
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55
Ausgabe
50
Seite(n)
15528-15530
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eISSN
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Schwarze N, Steinhauer S, Neumann B, Stammler H-G, Hoge B. Pentafluoroethylsilicic Acids. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. 2016;55(50):15528-15530.
Schwarze, N., Steinhauer, S., Neumann, B., Stammler, H. - G., & Hoge, B. (2016). Pentafluoroethylsilicic Acids. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 55(50), 15528-15530. doi:10.1002/anie.201609097
Schwarze, N., Steinhauer, S., Neumann, B., Stammler, H. - G., and Hoge, B. (2016). Pentafluoroethylsilicic Acids. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 55, 15528-15530.
Schwarze, N., et al., 2016. Pentafluoroethylsilicic Acids. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 55(50), p 15528-15530.
N. Schwarze, et al., “Pentafluoroethylsilicic Acids”, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, vol. 55, 2016, pp. 15528-15530.
Schwarze, N., Steinhauer, S., Neumann, B., Stammler, H.-G., Hoge, B.: Pentafluoroethylsilicic Acids. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION. 55, 15528-15530 (2016).
Schwarze, Nico, Steinhauer, Simon, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “Pentafluoroethylsilicic Acids”. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 55.50 (2016): 15528-15530.

1 Zitation in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

Pentafluoroethylated Compounds of Silicon, Germanium and Tin.
Wiesemann M, Hoge B., Chemistry 24(62), 2018
PMID: 29722451

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