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Elsevier, Inorganica Chimica Acta, 1(373), p. 301-305

DOI: 10.1016/j.ica.2011.04.002

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Reactions of the Tridentate and Tetradentate Amine Ligands di-(2-picolyl)(N-ethyl)amine and 2,5-Bis-(2-pyridylmethyl)-2,5 diazohexane with Technetium Nitrosyl Complexes

Journal article published in 2011 by T. Nicholson, A. Mahmood, N. Limpa-Amara, N. Salvarese ORCID, M. K. Takase, P. Müller, Z. Akgun, A. G. Jones
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This paper is available in a repository.

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Abstract

The reaction of the Tc(II) nitrosyl complex (Bu(4)N)[Tc(NO)Cl(4)] with di-(2-picolyl)(NEt)amine in methanol yields the neutral complex [Tc(NO) Cl(py-N(Et)-py)]. The reaction of the Tc(I) nitrosyl complex [Tc(NO)Cl(2)(HOMe)(PPh(3))(2)] with this tridentate ligand yields cationic [Tc(NO) Cl(py-N(Et)-py)(PPh(3))] Cl. These two complexes have been structurally characterized. The reaction of [Tc(NO)Cl(2)(HOMe)(PPh(3))(2)] with the tetradentate ligand 1,4-bis-(2-pyridylmethyl)-1,4-diazobutane yields a mixture of products including cationic [Tc(NO)Cl(py-NH-NH-py)]Cl and cationic [Tc(NO)Cl(PPh(3))(py-NH-NH similar to py)]Cl, with a pyridyl terminus left dangling. (C) 2011 Elsevier B. V. All rights reserved.