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

✍ Scribed by Plamen Kirilov; Hubert Matondo; Patricia Vicendo; Jean-Christophe Garrigues; Michel Baboulène; Hoang-Phuong Nguyen; Isabelle Rico-Lattes

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
163 KB
Volume
20
Category
Article
ISSN
0268-2605

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✦ Synopsis

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(PF~6~^−^), 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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✍ Gregory J. E. Davidson; Stephen J. Loeb; Paolo Passaniti; Serena Silvi; Alberto 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 439 KB 👁 1 views

## Abstract [2]Rotaxanes based on the 1,2‐bis(pyridinium)ethane⊂[24]crown‐8 ether motif were prepared that contain a terminal terpyridine group for coordination to a transition‐metal ion. These rotaxane ligands were utilized in the preparation of a series of heteroleptic [Ru(terpy)(terpy–rotaxane)]