Chantsalmaa Berthold, Deniz F. Bekiş, Jan Moritz, Gilles Stebens, Burkhard Butschke, Magnus R. Buchner
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Abstract
Herein, the article describes a facile and modular access to cationic beryllium phosphine complexes [TpBe(PR3)]+ (PR3 = PMe3, PEt3, PPh3, PCy3, PMe2Ph, PMePh2), which are stabilized through a monoanionic tris(pyrazolyl)borate (Tp) ligand. These tetracoordinate beryllium complex cations are characterized by NMR and IR spectroscopy as well as mass spectrometry, X-ray diffraction and quantum chemical calculations within the density functional theory framework. Furthermore, the stability of the BeP bond strength is evaluated, and its reactivity toward chalcogens, carbon dioxide, sulfur dioxide, carbodiimides, and dihydrogen is studied.
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