Vanadium(V)_oxytrifluoride

Vanadium(V) oxytrifluoride

Vanadium(V) oxytrifluoride

Chemical compound

Vanadium(V) oxytrifluoride is a chemical compound with the formula VOF3. It is one of several vanadium(V) oxyhalides. VOF3 is a yellowish orange powder that is sensitive to moisture.[2] Characteristic of early metal fluorides, the structure is polymeric in the solid state. The solid adopts a layered structure but upon evaporation, the species becomes dimeric. In contrast VOCl3 and VOBr3 remain tetrahedral in all states, being volatile liquids at room temperature.[3]

Quick Facts Names, Identifiers ...

Reactions

In organic synthesis, VOF3 is used for the oxidative coupling of phenols, for example in the syntheses of vancomycin and its analogues.[4] For these applications VOF3 is typically dissolved in trifluoroacetic acid.

Vanadium(V) oxytrifluoride reacts with hexamethyldisiloxane to give vanadium dioxide fluoride:[5]

(CH3)3SiOSi(CH3)3 + VOF3 → VO2F + 2 (CH3)3SiF

References

  1. [1]
    "Trifluorooxovanadium". pubchem.ncbi.nlm.nih.gov.
  2. [2]
    Perry, Dale L. (2011). Handbook of Inorganic Compounds. CRC Press. ISBN 978-1-4398-1461-1.
  3. [3]
    Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.
  4. [4]
    Vanasse, Benoit; O'Brien, Michael K. (2001). "Vanadyl Trifluoride". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rv005. ISBN 0471936235.
  5. [5]
    Davis, Martin F.; Jura, Marek; Leung, Alethea; Levason, William; Littlefield, Benjamin; Reid, Gillian; Webster, Michael (2008). "Synthesis, Chemistry and Structures of Complexes of the Dioxovanadium(v) Halides VO2F and VO2Cl". Dalton Transactions (44): 6265–6273. doi:10.1039/b811422f. PMID 18985260.


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