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A Zwitterionic Gold(I) Complex from an Ambiphilic Diphosphino−Alane Ligand

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journal contribution
posted on 28.04.2008, 00:00 authored by Marie Sircoglou, Ghenwa Bouhadir, Nathalie Saffon, Karinne Miqueu, Didier Bourissou
The diphosphino−alane ligand ClAl[C6H4(o-P-i-Pr2)]2 (1) has been prepared and reacted with [AuCl(SMe2)]. X-ray analyses and DFT calculations substantiate the preference of the ensuing complex 2 for a zwitterionic structure, resulting from internal chloride abstraction by aluminum over a neutral form featuring an Au→Al interaction.