Inertes Schwefelhexafluorid aktivieren

Zámostná, Lada; Braun, Thomas

doi:10.1002/nadc.20164046690

Nachr Chem

2016

DOI: 10.1002/nadc.20164046690

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Inertes Schwefelhexafluorid aktivieren

Lada Zámostná¹,

Thomas Braun²

Abstract: Schwefelhexafluorid dient seit Jahren als Isolator‐ und Kühlgas; dabei ist es das stärkste bekannte Treibhausgas. Es abzubauen, war bisher nur unter harschen Reaktionsbedingungen möglich. Es geht aber auch anders, zum Beispiel mit Natrium bei – 64 °C oder mit einem Rhodiumkatalysator.

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Cited by 6 publications

References 30 publications

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Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

et al. 2017

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The activation of SF6 at [Pt(PR3)2] R=Cy, iPr complexes in the presence of PR3 led selectively and in an unprecedented reaction route to the generation of the SF3 complexes trans‐[Pt(F)(SF3)(PR3)2]. These can also be synthesized from SF4 and the SF2 derivative trans‐[Pt(F)(SF2)(PCy3)2][BF4] was characterized by X‐ray crystallography. trans‐[Pt(F)(SF3)(PR3)2] complexes are useful tools for deoxyfluorination reactions and novel fluorido complexes bearing a SOF ligand are formed. Based on these studies a process for the deoxyfluorination of ketones was developed with SF6 as fluorinating agent.

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Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

et al. 2017

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Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

et al. 2017

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The activation of SF at [Pt(PR ) ] R=Cy, iPr complexes in the presence of PR led selectively and in an unprecedented reaction route to the generation of the SF complexes trans-[Pt(F)(SF )(PR ) ]. These can also be synthesized from SF and the SF derivative trans-[Pt(F)(SF )(PCy ) ][BF ] was characterized by X-ray crystallography. trans-[Pt(F)(SF )(PR ) ] complexes are useful tools for deoxyfluorination reactions and novel fluorido complexes bearing a SOF ligand are formed. Based on these studies a process for the deoxyfluorination of ketones was developed with SF as fluorinating agent.

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Non‐Coordinated Phenolate Anions and Their Application in SF₆ Activation

Weitkamp

Neumann

Stammler

et al. 2020

Chemistry A European J

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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. This work presents a phosphazenium phenolate salt with a redox potential of −0.72 V and its capability for the selective activation of the chemically inert greenhouse gas SF6. The performed two‐electron reduction of SF6 leads to phosphazenium pentafluorosulfanide ([SF5]−) and fluoride salts.

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Inertes Schwefelhexafluorid aktivieren

Cited by 6 publications

References 30 publications

Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

Non‐Coordinated Phenolate Anions and Their Application in SF₆ Activation

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Inertes Schwefelhexafluorid aktivieren

Cited by 6 publications

References 30 publications

Activation of SF6 at Platinum Complexes: Formation of SF3 Derivatives and Their Application in Deoxyfluorination Reactions

Activation of SF6 at Platinum Complexes: Formation of SF3 Derivatives and Their Application in Deoxyfluorination Reactions

Activation of SF6 at Platinum Complexes: Formation of SF3 Derivatives and Their Application in Deoxyfluorination Reactions

Non‐Coordinated Phenolate Anions and Their Application in SF6 Activation

Contact Info

Product

Resources

About

Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

Activation of SF₆ at Platinum Complexes: Formation of SF₃ Derivatives and Their Application in Deoxyfluorination Reactions

Non‐Coordinated Phenolate Anions and Their Application in SF₆ Activation