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Synthesis and characterization of ruthenium(II) complexes with polypicolylamine ligands


Reference:

Bjernemose, J., Hazell, A., McKenzie, C. J., Mahon, M. F., Nielsen, L. P., Raithby, P. R., Simonsen, O., Toftlund, H. and Wolny, J. A., 2003. Synthesis and characterization of ruthenium(II) complexes with polypicolylamine ligands. Polyhedron, 22 (6), pp. 875-885.

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Abstract

A series of ruthenium(II) complexes of polypicolylamine ligands have been prepared. The reaction of Ru(PhCN)(4)Cl-2 with the tridentate ligand N,N-bis(2-pyridylmethyl)aniline (phdpa) followed by precipitation with PF6- salts affords the complex, [Ru(phdpa)(2)](PF6)(2). The crystal structure of [Ru(phdpa)(2)](PF6)(2) shows that the ligand coordinates in a facial mode, with sp(3-) nitrogens located cis to each other. The reaction of Ru(dmso)(4)Cl-2 with the tetradentate ligand tris(2-pyridylmethyl)amine (tpa) in ethanol yielded the (Cl, N-amine)-trans [Ru(tpa)(dmso)Cl](PF6) complex which was characterized by X-ray crystallography. [Ru(tpa)(dmso)Cl](PF6) reacts with bipyridine, tpa and tricyanomethane anion (tcm) affording the [Ru(tpa)(bipy)](PF6)(2), [RU(tpa)(2)](PF6)(2) and Ru(tpa)(tcm)(2) complexes, respectively. The structures of [Ru(tpa)(bipy)(2)](PF6)(2) and Ru(tpa)(tcm)(2) show that tpa acts as a tetradentate ligand, while in [Ru(tpa)(2)](PF6)(2) it is tridentate, facially coordinated, with one non-coordinated pyridine. (C) 2003 Elsevier Science Ltd. All rights reserved.

Details

Item Type Articles
CreatorsBjernemose, J., Hazell, A., McKenzie, C. J., Mahon, M. F., Nielsen, L. P., Raithby, P. R., Simonsen, O., Toftlund, H. and Wolny, J. A.
DOI10.1016/s0277-5387(03)00025-1
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code5075
Additional InformationID number: ISI:000181591600010

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