FUNCTIONALIZATION OF THE CLASSICAL OXOANION VO^3-₄ BY BIS-SILYLATED PHOSPHAZENE LIGAND: SYNTHESES AND X-RAY STRUCTURE

Sushil K. Pandey Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077, Göttingen, Germany

Herbert W. Roesky Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077, Göttingen, Germany

Dietmar Stalke Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077, Göttingen, Germany

Alexander Steiner Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077, Göttingen, Germany

H.-G. Schmidt Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077, Göttingen, Germany

Mathias Noltemeyer Institut für Anorganische Chemie der Universität Göttingen, Tammannstrasse 4, D-37077, Göttingen, Germany

Abstract

The reaction of the acyclic phosphazene ligand, HN{P(NMe₂)₂NSiMe₃}₂ (1) with NH₄VO₃ in 1:1 molar ratio resulted in the formation of an ionic species N{P(NMe₂)₂NH₂}⁺ ₂ {VO₄(SiMe₃)₂}⁻ (2) in quantitative yield. The reaction shows the migration of silyl group from the terminal nitrogen atoms of the phosphazene ligand 1 to the oxygen of the vanadyl group. Compound 2 crystallizes as monomer in the solid state. The X-ray structure of the phosphazenium salt, N{P(NMe₂)₂NH₂}⁺ ₂Cl⁻ (3) has also been described which crystallizes as a polymeric zig-zag chain in the solid state.

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FUNCTIONALIZATION OF THE CLASSICAL OXOANION VO^3-₄ BY BIS-SILYLATED PHOSPHAZENE LIGAND: SYNTHESES AND X-RAY STRUCTURE

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FUNCTIONALIZATION OF THE CLASSICAL OXOANION VO3-4 BY BIS-SILYLATED PHOSPHAZENE LIGAND: SYNTHESES AND X-RAY STRUCTURE

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FUNCTIONALIZATION OF THE CLASSICAL OXOANION VO^3-₄ BY BIS-SILYLATED PHOSPHAZENE LIGAND: SYNTHESES AND X-RAY STRUCTURE