Vanadium(V) oxytrifluoride
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| Vanadium(V) oxytrifluoride | |
|---|---|
| Other names | Vanadium oxyfluoride, trifluorooxovanadium |
| Identifiers | |
| CAS number | [13709-31-4] |
| Properties | |
| Molecular formula | F3OV |
| Molar mass | 123.94 g/mol |
| Appearance | white solid |
| Density | 2.4590 g/cm³, solid |
| Melting point |
300 °C |
| Boiling point |
480 °C |
| Solubility in water | insol. |
| Hazards | |
| EU classification | not listed |
| NFPA 704 |
 0
3
0
|
| Related compounds | |
| Related compounds | VF5 VOCl3 VO2F |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Vanadium(V) oxytrifluoride is a chemical compound with the formula VOF3. It is one of several vanadium(V) oxyhalides. 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.[1]
In organic synthesis, VOF3 is often used for the oxidative coupling of phenolic rings, for example in the syntheses of vancomycin and its analogues. [2] For these applications VOF3 is typically dissolved in trifluoroacetic acid.
[edit] References
- ^ Holleman, A. F.; Wiberg, E. "Inorganic Chemistry" Academic Press: San Diego, 2001. ISBN 0-12-352651-5.
- ^ Benoit Vanasse, Michael K. O’Brien "Vanadyl Trifluoride" in Encyclopedia of Reagents for Organic Synthesis, 2001, John Wiley & Sons, New York. DOI 10.1002/047084289X.rv005
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