N-Heterocyclic carbenesversus transition metals for stabilizing phosphinyl radicals
文献信息
Olivier Back, Bruno Donnadieu, Moritz von Hopffgarten, Susanne Klein, Ralf Tonner, Gernot Frenking, Guy Bertrand
It is shown that vanadium-iminato ligands are more efficient than imidazolidin-2-iminato substituents to delocalize the spin density from a phosphorus nucleus. However, the latter is stabilizing enough to allow for the isolation and characterization in the liquid and solid states of a neutral phosphinyl radical.
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