Metallaboratranes derived from a triphosphanyl-borane: intrinsic C3 symmetry supported by a Z-type ligand.
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abstract
(Chemical Equation Presented) Symmetry from within: Coordination of a triphosphanyl-borane ligand to gold(I) and platinum(0) affords metallaboratranes exhibiting C3 symmetry both in solution and in the solid state. Such a helical geometry is supported by axial MB dative interactions and results from the envelope conformations of the PCCBM metallacycles. 2008 Wiley-VCH Verlag GmbH & Co. KGaA.