An air-stable N-heterocyclic carbene iminoxyl borate radical zwitterion

An air-stable N-heterocyclic carbene iminoxyl borate radical zwitterion

A remarkably stable radical zwitterion derived from N-heterocyclic carbene nitric oxide and B(C6F5)3 is reported. The presented radical was generated by steric and electronic protection of the nitric oxide moiety using B(C6F5)3, which secured its stability toward air and moisture. An analogous yet l...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2018, Vol.54 (50), p.6824-6827
Hauptverfasser: Kim, Youngsuk, Lee, Eunsung
Format: Artikel
Sprache:eng
Schlagworte:
Nitric oxide
Zwitterions
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Zusammenfassung:A remarkably stable radical zwitterion derived from N-heterocyclic carbene nitric oxide and B(C6F5)3 is reported. The presented radical was generated by steric and electronic protection of the nitric oxide moiety using B(C6F5)3, which secured its stability toward air and moisture. An analogous yet less stable radical derived from C(C6H5)3+ is also synthesized and characterized.
ISSN:1359-7345
1364-548X
DOI:10.1039/c8cc01399c