The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry
Tölke K, Porath S, Neumann B, Stammler H-G, Hoge B (2024)
Angewandte Chemie International Edition.
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Abstract / Bemerkung
Although the adduct of aluminum trichloride with thionyl chloride has been reported, no thionyl chloride adduct of a main group element Lewis acid or organometallic compound has been structurally characterized. In this communication we present the synthesis and reactivity of the structurally ascertained adduct of thionyl chloride with tris(pentafluoroethyl)gallane as a representative of a main group element Lewis acid. Gallium and indium compounds with electron withdrawing groups, e.g. the pentafluoroethyl ligand, display versatile properties. While gallates and indates, [MR4]-, behave as weakly coordinating anions, neutral gallanes and indanes, MR3, are strong Lewis acids. Salts with the tetrakis(pentafluoroethyl)gallate and -indate, [M(C2F5)4]- (M=Ga, In), have recently been studied in detail. In contrast to this, work on the syntheses of the free Lewis superacids M(C2F5)3 (M= Ga, In) is scarce and underdeveloped. The hydrates [M(C2F5)3(OH2)2] proved to be suitable starting materials, particularly due to their thermal stability. Herein we report on synthesis and characterization of reactive adducts, [M(C2F5)3D], with the weak donor molecules (D) SOCl2 and Me3SiF. The effective Lewis acidities of Ga(C2F5)3 and In(C2F5)3 were experimentally deter-mined by the (modified) Gutmann-Beckett method and their catalytic potential is showcased. © 2024 Wiley‐VCH GmbH.
Erscheinungsjahr
2024
Zeitschriftentitel
Angewandte Chemie International Edition
eISSN
1521-3773
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https://pub.uni-bielefeld.de/record/2991560
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Tölke K, Porath S, Neumann B, Stammler H-G, Hoge B. The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry. Angewandte Chemie International Edition. 2024.
Tölke, K., Porath, S., Neumann, B., Stammler, H. - G., & Hoge, B. (2024). The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.202408741
Tölke, Katharina, Porath, Sven, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. 2024. “The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry”. Angewandte Chemie International Edition.
Tölke, K., Porath, S., Neumann, B., Stammler, H. - G., and Hoge, B. (2024). The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry. Angewandte Chemie International Edition.
Tölke, K., et al., 2024. The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry. Angewandte Chemie International Edition.
K. Tölke, et al., “The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry”, Angewandte Chemie International Edition, 2024.
Tölke, K., Porath, S., Neumann, B., Stammler, H.-G., Hoge, B.: The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry. Angewandte Chemie International Edition. (2024).
Tölke, Katharina, Porath, Sven, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “The First Main Group Element Lewis Acid Thionyl chloride Adduct and its Chemistry”. Angewandte Chemie International Edition (2024).
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