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Synthetic and Structural Studies of Cobalt-Pivalate Complexes

Synthetic and Structural Studies of Cobalt-Pivalate Complexes

Guillem Aromí, Andrei S Batsanov, Paul Christian, Madeleine Helliwell, Andrew Parkin, Simon Parsons, Andrew A Smith, Grigore A Timco, Richard E P Winpenny

Chemistry. 2003 Oct 17;9(20):5142-61.

PMID: 14562332

Abstract:

The synthesis and characterisation of a range of cobalt pivalate cage complexes are reported. The cages include: a dinuclear Co(II) complex; an oxo-centred Co(III) triangle; tetranuclear Co(II) heterocubanes and butterflies; tetranuclear heterovalent cobalt butterflies and hexanuclear edge-sharing bitetrahedra; heterovalent penta-, hexa- and hepta-nuclear cages based on [M(4)O(4)] heterocubane cores; and a tetradecanuclear cage based on heterocubanes sharing edges and vertices. Spectroscopic studies suggest that some of these cores are retained in solution, but that only in the Co(III) triangle is the structure including ligands retained. A scheme is proposed to account for the many structures observed, which may be applicable to other polymetallic cage complexes.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP301663945	Cobalt(II) oxo pivalate		301663-94-5	Price

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