Issue 8, 2001

Ruthenium(II) complexes containing novel asymmetric tridentate ligands: synthesis, structure, electrochemical and spectroscopic properties

Abstract

Three novel asymmetrical tridentate ligands, 3-(1,10-phenanthrolin-2-yl)-5,6-diphenyl-as-triazine (dppt), 3-(1,10-phenanthrolin-2-yl)-as-triazino[5,6-f ]acenaphthylene (pta) and 3-(1,10-phenanthrolin-2-yl)-as-triazino[5,6-f ]phenanthrene (ptp) have been prepared. Their homoleptic ruthenium complexes [Ru(L)2]2+ (L = dppt, pta or ptp) and heteroleptic ruthenium complexes [Ru(tpy)(L)]2+ have been synthesized and characterized by 1H NMR, ES-MS, electronic absorption spectroscopy and cyclic voltammetry. The heteroleptic ruthenium complexes were also characterized by X-ray crystallography. The electrochemical and spectroscopic studies of the complexes display the changes in properties in comparison with [Ru(tpy)3]2+ owing to the structural differences.

Graphical abstract: Ruthenium(II) complexes containing novel asymmetric tridentate ligands: synthesis, structure, electrochemical and spectroscopic properties

Supplementary files

Article information

Article type
Paper
Submitted
04 Dec 2000
Accepted
21 Feb 2001
First published
27 Mar 2001

J. Chem. Soc., Dalton Trans., 2001, 1326-1331

Ruthenium(II) complexes containing novel asymmetric tridentate ligands: synthesis, structure, electrochemical and spectroscopic properties

H. Chao, G. Yang, G. Xue, H. Li, H. Zang, I. D. Williams, L. Ji, X. Chen and X. Li, J. Chem. Soc., Dalton Trans., 2001, 1326 DOI: 10.1039/B009680F

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