Lewis acid capping of a uranium(v) nitride via a uranium(iii) azide molecular square

Lewis acid capping of a uranium(v) nitride via a uranium(iii) azide molecular square

Reaction of (CpiPr4)2UI with NaN3 resulted in formation of tetrameric uranium(iii) azide-bridged 'molecular square' [(CpiPr4)2U(μ-η1:η1-N3)]4 (1). Addition of B(C6F5)3 to 1 induced loss of N2 at room temperature, yielding the uranium(v) borane-capped nitrido (CpiPr4)2U(μ-N)B(C6F5)3 (2)....

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2020-04, Vol.56 (33), p.4535-4538
Hauptverfasser: Boreen, Michael A, Rao, Guodong, Villarreal, David G, Watt, Fabian A, Britt, R David, Hohloch, Stephan, Arnold, John
Format: Artikel
Sprache:eng
Schlagworte:
Capping
Crystallography
Lewis acid
NMR
Nuclear magnetic resonance
Room temperature
Sodium azides
Uranium
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Zusammenfassung:Reaction of (CpiPr4)2UI with NaN3 resulted in formation of tetrameric uranium(iii) azide-bridged 'molecular square' [(CpiPr4)2U(μ-η1:η1-N3)]4 (1). Addition of B(C6F5)3 to 1 induced loss of N2 at room temperature, yielding the uranium(v) borane-capped nitrido (CpiPr4)2U(μ-N)B(C6F5)3 (2).
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc01356k