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Formation of N-heterocyclic, donor-stabilized borenium ions

Someya, Chika I.; Inoue, Shigeyoshi; Präsang, Carsten; Irran, Elisabeth; Drieß, Matthias

Cationic and zwitterionic boryl bromide species and a borenium–boryl bromide cation have been synthesised which represent new N-donor stabilised cationic boron compounds with β-diketiminate ligands. The unexpected borenium–boryl bromide results from a head-to-tail dimerisation of the corresponding zwitterionic boryl bromide accompanied by proton migration. The electronic nature of these new species was studied by DFT calculations.
Published in: Chemical communications, 10.1039/c1cc11789k, Royal Society of Chemistry
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