A non-oxo methanolate-bridged divanadium(IV) complex with tris(2-sulfanidylphenyl)phosphane ligands: Synthesis, structural characterization and magnetic investigation

Hong Ming Wu, Ya Ho Chang, Chia Lin Su, Gene Hsiang Lee, Hua-Fen Hsu

Research output: Contribution to journalArticle

Abstract

Vanadium chemistry is of interest due its biological relevance and medical applications. In particular, the interactions of high-valent vanadium ions with sulfur-containing biologically important molecules, such as cysteine and glutathione, might be related to the redox conversion of vanadium in ascidians, the function of amavadin (a vanadium-containing anion) and the antidiabetic behaviour of vanadium compounds. A mechanistic understanding of these aspects is important. In an effort to investigate high-valent vanadium-sulfur chemistry, we have synthesized and characterized the non-oxo divanadium(IV) complex salt tetraphenylphosphonium tri-μ-<!?tlsb=-0.11pt>methanolato-κ 6 O:O-bis({tris[2-sulfanidyl-3-(trimethylsilyl)phenyl]phosphane-κ 4 P,S,S',S''}vanadium(IV)) methanol disolvate, (C 24 H 20 P)[V IV 2 (μ-OCH 3 ) 3 (C 27 H 36 PS 3 ) 2 ]·2CH 3 OH. Two V IV metal centres are bridged by three methanolate ligands, giving a C2-symmetric V 2 (μ-OMe) 3 core structure. Each V IV centre adopts a monocapped trigonal antiprismatic geometry, with the P atom situated in the capping position and the three S atoms and three O atoms forming two triangular faces of the trigonal antiprism. The magnetic data indicate a paramagnetic nature of the salt, with an S = 1 spin state.A non-oxo divanadium(IV) complex with bridging methanolate ligands and tris(2-sulfanidylphenyl)phosphane ligands was synthesized and structurally characterized. The magnetic data indicate a paramagnetic nature with an S = 1 spin state.

Original languageEnglish
Pages (from-to)416-420
Number of pages5
JournalActa Crystallographica Section C: Structural Chemistry
Volume72
Issue number5
DOIs
Publication statusPublished - 2016 May 1

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phosphine
Vanadium
vanadium
Ligands
ligands
synthesis
Sulfur
Atoms
Vanadium Compounds
sulfur
Vanadium compounds
vanadium compounds
Salts
chemistry
salts
atoms
glutathione
cysteine
Medical applications
Hypoglycemic Agents

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

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title = "A non-oxo methanolate-bridged divanadium(IV) complex with tris(2-sulfanidylphenyl)phosphane ligands: Synthesis, structural characterization and magnetic investigation",
abstract = "Vanadium chemistry is of interest due its biological relevance and medical applications. In particular, the interactions of high-valent vanadium ions with sulfur-containing biologically important molecules, such as cysteine and glutathione, might be related to the redox conversion of vanadium in ascidians, the function of amavadin (a vanadium-containing anion) and the antidiabetic behaviour of vanadium compounds. A mechanistic understanding of these aspects is important. In an effort to investigate high-valent vanadium-sulfur chemistry, we have synthesized and characterized the non-oxo divanadium(IV) complex salt tetraphenylphosphonium tri-μ-<!?tlsb=-0.11pt>methanolato-κ 6 O:O-bis({tris[2-sulfanidyl-3-(trimethylsilyl)phenyl]phosphane-κ 4 P,S,S',S''}vanadium(IV)) methanol disolvate, (C 24 H 20 P)[V IV 2 (μ-OCH 3 ) 3 (C 27 H 36 PS 3 ) 2 ]·2CH 3 OH. Two V IV metal centres are bridged by three methanolate ligands, giving a C2-symmetric V 2 (μ-OMe) 3 core structure. Each V IV centre adopts a monocapped trigonal antiprismatic geometry, with the P atom situated in the capping position and the three S atoms and three O atoms forming two triangular faces of the trigonal antiprism. The magnetic data indicate a paramagnetic nature of the salt, with an S = 1 spin state.A non-oxo divanadium(IV) complex with bridging methanolate ligands and tris(2-sulfanidylphenyl)phosphane ligands was synthesized and structurally characterized. The magnetic data indicate a paramagnetic nature with an S = 1 spin state.",
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A non-oxo methanolate-bridged divanadium(IV) complex with tris(2-sulfanidylphenyl)phosphane ligands : Synthesis, structural characterization and magnetic investigation. / Wu, Hong Ming; Chang, Ya Ho; Su, Chia Lin; Lee, Gene Hsiang; Hsu, Hua-Fen.

In: Acta Crystallographica Section C: Structural Chemistry, Vol. 72, No. 5, 01.05.2016, p. 416-420.

Research output: Contribution to journalArticle

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T1 - A non-oxo methanolate-bridged divanadium(IV) complex with tris(2-sulfanidylphenyl)phosphane ligands

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