Stable spirocyclic neutral radicals: aluminium and gallium boraamidinates

Literature Information

Publication Date 2005-07-11
DOI 10.1039/B506253E
Impact Factor 6.222
Authors

Tristram Chivers, Dana J. Eisler, Chantall Fedorchuk, Gabriele Schatte, Heikki M. Tuononen, René T. Boeré


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Abstract

Stable dark red (M = Al) or dark green (M = Ga) neutral radicals {[PhB(μ-NtBu)2]2M}˙ are obtained by the oxidation of their corresponding anions with iodine, and EPR spectra supported by DFT calculations show that the spin density is equally delocalized over all four nitrogen atoms in these spiroconjugated systems.

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