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Feature Article

Chem. Commun., 2009, 4323 - 4331, DOI: 10.1039/b904719k

New generation of metal string complexes: strengthening metal–metal interaction via naphthyridyl group modulated oligo--pyridylamido ligands

Isiah Po-Chun Liu, Wen-Zhen Wang and Shie-Ming Peng

To design new metal string complexes, several naphthyridyl group modulated oligo--pyridylamido ligands have been synthesized in the past five years. Because these ligands are less anionic than pyridylamido ligands, the resulting metal string complexes tend to form reduced mixed-valence [Ni2(napy)4]3+ dinuclear units which contain a delocalized unpaired electron and thus significantly enhance the conductance of metal string complexes. Furthermore, the asymmetric naphthyridyl group modulated oligo--pyridylamido ligands can stabilize the central heteronuclear or charge disproportionational metal frameworks, providing a plausible strategy to build inorganic molecular rectifiers.

Graphical abstract image for this article (ID: b904719k)