Synthesis and photophysical properties of novel amphiphilic ruthenium (II) complexes containing 4,4′‐dialkylaminomethyl‐2,2′‐bipyridyl ligands (original) (raw)

Applied Organometallic Chemistry, 2006

Abstract

The synthesis of a number of new 2,2′-bipyridine ligands functionalized with bulky amino side groups is reported. Three homoleptic polypyridyl ruthenium (II) complexes, [Ru(L)3]2+ 2(PF6−), where L is 4,4′-dioctylaminomethyl-2,2′-bipyridine (Ru4a), 4,4′-didodecylaminomethyl-2,2′-bipyridine (Ru4b) and 4,4′-dioctadodecylaminomethyl-2,2′-bipyridine (Ru4c), have been synthesized. These compounds were characterized and their photophysical properties examined. The electronic spectra of three complexes show pyridyl π π* transitions in the UV region and metal-to-ligand charge transfer bands in the visible region. Copyright © 2005 John Wiley & Sons, Ltd.

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