Fe(II), Ru(II) and Re(I) complexes of endotopic, sterically non-hindering, U-shaped 8,8'-disubstituted-3,3'-biisoquinoline ligands: syntheses and spectroscopic properties

Dalton Transactions : an International Journal of Inorganic Chemistry
Barbara VenturaOliver S Wenger

Abstract

The redox behaviour, optical-absorption spectra and emission properties of U-shaped and elongated disubstituted biisoquinoline ligands and of derived octahedral Fe(ii), Ru(ii), and Re(i) complexes are reported. The ligands are 8,8'-dichloro-3,3'-biisoquinoline (1), 8,8'-dianisyl-3,3'-biisoquinoline (2), and 8,8'-di(phenylanisyl)-3,3'-biisoquinoline (3), and the complexes are [Fe(3)(3)](2+), [Fe(2)(3)](2+), [Ru(1)(phen)(2)](2+), [Ru(2)(3)](2+), [Ru(3)(3)](2+), [Re(2)(py)(CO)(3)](+), and [Re()(py)(CO)(3)](+). For the ligands, the optical properties as observed in dichloromethane are in line with expectations based on the predominant (1)pipi* nature of the involved excited states, with contributions at lower energies from (1)npi* and (1)ILCT (intraligand charge transfer) transitions. For all of the Fe(ii), Ru(ii), and Re(i) complexes, studied in acetonitrile, the transitions associated with the lowest-energy absorption band are of (1)MLCT (metal-to-ligand charge transfer) nature. The emission properties, as observed at room temperature and at 77 K, can be described as follows: (i) the Fe(ii) complexes do not emit, either at room temperature or at 77 K; (ii) the room-temperature emission of the Ru(ii) complexes (phi(em) > 10(-3), t...Continue Reading

References

May 18, 2000·Accounts of Chemical Research·A Hagfeldt, M Grätzel
Jan 5, 2002·Journal of the American Chemical Society·Douglas G CuttellRichard A Walton
Jul 18, 2002·Chemical Communications : Chem Comm·Nathan D McClenaghanSebastiano Campagna
Jan 23, 2004·Chemical Communications : Chem Comm·Olof JohanssonBjörn Akermark
Jul 15, 2004·Dalton Transactions : an International Journal of Inorganic Chemistry·Christine HamannHelen Stoeckli-Evans
Aug 3, 2005·Dalton Transactions : an International Journal of Inorganic Chemistry·Michael H WilsonDavid R McMillin
Sep 27, 2005·Inorganic Chemistry·James H Alstrum-AcevedoThomas J Meyer
Dec 24, 2005·Chemical Communications : Chem Comm·Fabien DurolaOliver S Wenger
Jun 15, 2006·Journal of the American Chemical Society·Pingwu DuRichard Eisenberg
Dec 14, 2006·Organic & Biomolecular Chemistry·Nikolaos MourtzisKonstantina Yannakopoulou

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Citations

Jun 23, 2011·Chemical Reviews·Ross S ForganJ Fraser Stoddart
Nov 25, 2011·Journal of Medicinal Chemistry·John C ReaderIan Collins
Apr 24, 2009·Journal of the American Chemical Society·Alexander I Prikhod'ko, Jean-Pierre Sauvage
Nov 6, 2008·Dalton Transactions : an International Journal of Inorganic Chemistry·Mathieu E Walther, Oliver S Wenger

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