Non-coordinated phenolate anions and their application in SF6activation

Weitkamp R, Neumann B, Stammler H-G, Hoge B (Accepted)
Chemistry - A European Journal .

Zeitschriftenaufsatz | Angenommen | Englisch
 
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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
eISSN
1521-3765
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 . Accepted.
Weitkamp, R., Neumann, B., Stammler, H. - G., & Hoge, B. (Accepted). Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal . doi:10.1002/chem.202003504
Weitkamp, R., Neumann, B., Stammler, H. - G., and Hoge, B. (Accepted). Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal .
Weitkamp, R., et al., Accepted. Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal .
R. Weitkamp, et al., “Non-coordinated phenolate anions and their application in SF6activation”, Chemistry - A European Journal , Accepted.
Weitkamp, R., Neumann, B., Stammler, H.-G., Hoge, B.: Non-coordinated phenolate anions and their application in SF6activation. Chemistry - A European Journal . (Accepted).
Weitkamp, Robin, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “Non-coordinated phenolate anions and their application in SF6activation”. Chemistry - A European Journal (Accepted).

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PMID: 32776547
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