Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane

Wiesemann M, Niemann M, Kloesener J, Neumann B, Stammler H-G, Hoge B (2018)
CHEMISTRY-A EUROPEAN JOURNAL 24(11): 2699-2708.

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Abstract
A versatile two-step synthesis of tris(pentafluoroethyl)stannane, HSn(C2F5)(3), is presented. Electron-withdrawing C2F5 groups significantly influence the polarity of the tin-hydrogen bond, which allows facile deprotonation of the compound, even in water. The utility of this electron-deficient stannane was illustrated in hydrostannylations of alkenes and alkynes, as well as in dehalogenation reactions. The remarkably high reactivity of HSn(C2F5)(3) is demonstrated in fast hydrostannylations, even in the absence of activators, whereby the regioselectivity of this process turns out to be solvent dependent. It is of great advantage that in dehalogenation reactions volatile halogenotris(pentafluoroethyl)stannanes, XSn(C2F5)(3) (X=I, Br), are formed that allow facile separation of the tin-containing byproducts from the reaction mixtures.
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Wiesemann M, Niemann M, Kloesener J, Neumann B, Stammler H-G, Hoge B. Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane. CHEMISTRY-A EUROPEAN JOURNAL. 2018;24(11):2699-2708.
Wiesemann, M., Niemann, M., Kloesener, J., Neumann, B., Stammler, H. - G., & Hoge, B. (2018). Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane. CHEMISTRY-A EUROPEAN JOURNAL, 24(11), 2699-2708. doi:10.1002/chem.201705068
Wiesemann, M., Niemann, M., Kloesener, J., Neumann, B., Stammler, H. - G., and Hoge, B. (2018). Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane. CHEMISTRY-A EUROPEAN JOURNAL 24, 2699-2708.
Wiesemann, M., et al., 2018. Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane. CHEMISTRY-A EUROPEAN JOURNAL, 24(11), p 2699-2708.
M. Wiesemann, et al., “Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane”, CHEMISTRY-A EUROPEAN JOURNAL, vol. 24, 2018, pp. 2699-2708.
Wiesemann, M., Niemann, M., Kloesener, J., Neumann, B., Stammler, H.-G., Hoge, B.: Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane. CHEMISTRY-A EUROPEAN JOURNAL. 24, 2699-2708 (2018).
Wiesemann, Markus, Niemann, Mark, Kloesener, Johannes, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “Tris(pentafluoroethyl)stannane: Tin Hydride Chemistry with an Electron-Deficient Stannane”. CHEMISTRY-A EUROPEAN JOURNAL 24.11 (2018): 2699-2708.
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