Non-coordinated phenolate anions and their application in SF6activation

Weitkamp R, Neumann B, Stammler H-G, Hoge B (2020)
Chemistry - A European Journal 27: 460 –6464.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Weitkamp, Robin; Neumann, Beate; Stammler, Hans-Georg; Hoge, Berthold
Abstract / Bemerkung
The reaction of the strong monophosphazene base with the weakly acidic phenol leads to the formation of a phenol-phenolate anion with a moderately strong hydrogen bond. Application of the more powerful tetraphosphazene base (Schwesinger base) renders the isolation of the corresponding salt with a free phenolate anion possible. This compound represents the first species featuring the free phenolate anion [H5C6-O]-. The deprotonation of phenol derivatives with tetraphosphazene bases represents a great way for the clean preparation of salts featuring free phenolate anions and in addition allows the selective syntheses of hydrogen bonded phenol-phenolate salts. Herein we present a phosphazenium phenolate salt with a redox potential of -0.72V and its capability for the selective activation of the chemically inert greenhouse gas SF6. The performed two-electron reduction of SF6leads to phosphazenium pentafluorosulfanide ([SF5]-) and fluoride salts. © 2020 Wiley-VCH GmbH.
Erscheinungsjahr
2020
Zeitschriftentitel
Chemistry - A European Journal
Band
27
Seite(n)
460 –6464
eISSN
1521-3765
Finanzierungs-Informationen
Open-Access-Publikationskosten wurden durch die Universität Bielefeld im Rahmen des DEAL-Vertrags gefördert.
Page URI
https://pub.uni-bielefeld.de/record/2945528

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Weitkamp R, Neumann B, Stammler H-G, Hoge B. Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal . 2020;27:460 –6464.
Weitkamp, R., Neumann, B., Stammler, H. - G., & Hoge, B. (2020). Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal , 27, 460 –6464. https://doi.org/10.1002/chem.202003504
Weitkamp, Robin, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. 2020. “Non-coordinated phenolate anions and their application in SF6activation”. Chemistry - A European Journal 27: 460 –6464.
Weitkamp, R., Neumann, B., Stammler, H. - G., and Hoge, B. (2020). Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal 27, 460 –6464.
Weitkamp, R., et al., 2020. Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal , 27, p 460 –6464.
R. Weitkamp, et al., “Non-coordinated phenolate anions and their application in SF6activation”, Chemistry - A European Journal , vol. 27, 2020, pp. 460 –6464.
Weitkamp, R., Neumann, B., Stammler, H.-G., Hoge, B.: Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal . 27, 460 –6464 (2020).
Weitkamp, Robin, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “Non-coordinated phenolate anions and their application in SF6activation”. Chemistry - A European Journal 27 (2020): 460 –6464.
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2022-07-18T10:39:00Z
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