Tungsten Oxytetrachloride and Several Tungstate Salts

Georges Gelbard, Justin L. Mallek, Gregory S. Girolami

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Tungsten oxytetrachloride is a good starting material to prepare other oxotungsten (VI) complexes and to incorporate tungsten species into silica-based materials. The usual preparations of tungsten oxytetrachloride, which are based on tungstic acid, are somewhat tedious and require prolonged heating times. The preparation of WOCl4 from anhydrous sodium tungstate, reported in this chapter, is an improved and simplified method. The preparation of (n-Bu4N)2W6O19 reported here is a simplification of the procedure given in this series by Fournier and Fuchs. Phosphoric, phosphinic, and phosphonic acids form complexes with both peroxotungstates and peroxomolybdates. In particular, phenylphosphonic acid forms a complex that is a very convenient alkene epoxidation catalyst. The chapter discusses the procedures and properties of tungsten oxytetrachloride, tetrabutylammonium hexapolytungstate, di(cetylpyridinium) peroxoditungstate, and bis(tetrabutylammonium) phenylphosphonatodiperoxotungstate .

Original languageEnglish (US)
Title of host publicationInorganic Syntheses
PublisherWiley Blackwell
Pages147-151
Number of pages5
Volume36
ISBN (Electronic)9781118744994
ISBN (Print)9781118744871
DOIs
StatePublished - May 12 2014

Fingerprint

Tungsten
Salts
Acids
Phosphorous Acids
Cetylpyridinium
Epoxidation
Alkenes
Silicon Dioxide
Olefins
Silica
Sodium
Heating
Catalysts
tungstate
tetrabutylammonium

Keywords

  • Bis(tetrabutylammonium) phenylphosphonatodiperoxotungstate
  • Di(cetylpyridinium) peroxoditungstate
  • Tetrabutylammonium hexapolytungstate
  • Tungstate salts
  • Tungsten oxytetrachloride

ASJC Scopus subject areas

  • Chemistry(all)
  • Engineering(all)
  • Materials Science(all)

Cite this

Gelbard, G., Mallek, J. L., & Girolami, G. S. (2014). Tungsten Oxytetrachloride and Several Tungstate Salts. In Inorganic Syntheses (Vol. 36, pp. 147-151). Wiley Blackwell. https://doi.org/10.1002/9781118744994.ch27

Tungsten Oxytetrachloride and Several Tungstate Salts. / Gelbard, Georges; Mallek, Justin L.; Girolami, Gregory S.

Inorganic Syntheses. Vol. 36 Wiley Blackwell, 2014. p. 147-151.

Research output: Chapter in Book/Report/Conference proceedingChapter

Gelbard, G, Mallek, JL & Girolami, GS 2014, Tungsten Oxytetrachloride and Several Tungstate Salts. in Inorganic Syntheses. vol. 36, Wiley Blackwell, pp. 147-151. https://doi.org/10.1002/9781118744994.ch27
Gelbard G, Mallek JL, Girolami GS. Tungsten Oxytetrachloride and Several Tungstate Salts. In Inorganic Syntheses. Vol. 36. Wiley Blackwell. 2014. p. 147-151 https://doi.org/10.1002/9781118744994.ch27
Gelbard, Georges ; Mallek, Justin L. ; Girolami, Gregory S. / Tungsten Oxytetrachloride and Several Tungstate Salts. Inorganic Syntheses. Vol. 36 Wiley Blackwell, 2014. pp. 147-151
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