Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-))

Klösener J, Wiesemann M, Niemann M, Neumann B, Stammler H-G, Hoge B (2018)
CHEMISTRY-A EUROPEAN JOURNAL 24(17): 4412-4422.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
Abstract / Bemerkung
In this contribution we report on the synthesis of bis(pentafluoroethyl)stannane, H2Sn(C2F5)(2). In the reaction with donor molecules a ready elimination of hydrogen and the formation of the corresponding donor-stabilized monomeric bis(pentafluoroethyl)stannylene, Sn(C2F5)(2), becomes apparent. With dependence on the Lewis basicity and steric demand of the donor, varying coordination numbers are realized. Whereas the reaction with nitrogen bases like 4-(dimethylamino)pyridine (DMAP) leads to the complexation of two donor molecules, [Sn(C2F5)(2)(dmap)(2)], treatment with PMe3 or [Sn(C2F5)(3)](-) furnished the corresponding neutral or anionic monoadducts, [Sn(C2F5)(2)(D)] (D=PMe3, [Sn(C2F5)(3)](-)). In contrast, the utilization of sterically demanding donors, such as iPr(2)O, as well as the thermal treatment of ether complexes, [Sn(C2F5)(2)(D)(n)] (D=Et2O, THF), leads to the formation of oligomeric and cyclic stannylene moieties [Sn(C2F5)(2)](n). The reactivity of H2Sn(C2F5)(2) and the donor-stabilized stannylenes was proven by hydrostannylation and complexation reactions with tetracarbonylnickel and bimetallic compounds. In the latter case, a donor-dependent stannylene or distannylene insertion into the metal-metal bond was observed.
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CHEMISTRY-A EUROPEAN JOURNAL
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24
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17
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4412-4422
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Klösener J, Wiesemann M, Niemann M, Neumann B, Stammler H-G, Hoge B. Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-)). CHEMISTRY-A EUROPEAN JOURNAL. 2018;24(17):4412-4422.
Klösener, J., Wiesemann, M., Niemann, M., Neumann, B., Stammler, H. - G., & Hoge, B. (2018). Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-)). CHEMISTRY-A EUROPEAN JOURNAL, 24(17), 4412-4422. doi:10.1002/chem.201705770
Klösener, J., Wiesemann, M., Niemann, M., Neumann, B., Stammler, H. - G., and Hoge, B. (2018). Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-)). CHEMISTRY-A EUROPEAN JOURNAL 24, 4412-4422.
Klösener, J., et al., 2018. Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-)). CHEMISTRY-A EUROPEAN JOURNAL, 24(17), p 4412-4422.
J. Klösener, et al., “Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-))”, CHEMISTRY-A EUROPEAN JOURNAL, vol. 24, 2018, pp. 4412-4422.
Klösener, J., Wiesemann, M., Niemann, M., Neumann, B., Stammler, H.-G., Hoge, B.: Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-)). CHEMISTRY-A EUROPEAN JOURNAL. 24, 4412-4422 (2018).
Klösener, Johannes, Wiesemann, Markus, Niemann, Mark, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “Synthesis and Reactivity of Donor-Stabilized Bis(pentafluoroethyl)stannylene [Sn(C2F5)(2)(D)(n)] (D=THF, DMAP, PMe3, [Sn(C2F5)(3)](-))”. CHEMISTRY-A EUROPEAN JOURNAL 24.17 (2018): 4412-4422.

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