Recent developments in the d-block metallo-supramolecular chemistry of polypyridyls

Polypyridyl ligand derivatives have been widely employed for the construction of metallo-supramolecular entities from the beginning of this contemporary area of research. Representative recent developments in the use of such 'classical' polypyridyl ligands combined with selected d-block metal ions to obtain supramolecular assemblies incorporating both the polypyridyl and the metal ion as structural elements are described. In particular, helicates, metal-chain oligo-pyridylamido systems, grids as well as a range of other metallo-supramolecular structures are discussed. (c) 2007 Published by Elsevier B.V.