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Type: Artigo de periódico
Title: Reaction Of [os3(co)10(mecn)2] With 2,3-bis(2-pyridyl)pyrazine And Pyrazyne. Synthesis, Characterization And Electrochemical Behavior Of 1:1 And 1:2 Ligand:cluster Complexes
Author: De Souza R.M.
Martins F.
Stein E.
Abstract: The diimine-bridged, bis-triosmium carbonyl complexes [{Os3(CO)10(μ-H)}2(pyz)] 1b, [{Os3(CO)10}2(dpp)] 2b, (pyz = pyrazine; dpp = 2,3-bis(2-pyridyl)pyrazine) and their corresponding 1:1 ligand:cluster complexes [Os3(CO)10(μ-H)(pyz)], 1a, [Os3(CO)10(dpp)], 2a, were synthesized by the reaction of [Os3(CO)10(MeCN)2] with pyz and dpp ligands. All compounds were characterized by IR, 1H-NMR spectroscopy and elemental analysis. Electrochemistry was used to examine the redox properties of 1-2 and of complexes [Os3(CO)10(μ-H)(py)], 3, for comparison purposes. The electrochemical behavior of the bridged bis-triosmium species 1b-2b provided strong evidence for the electronic interaction between the two metal centers. © 1998 Elsevier Science S.A. All rights reserved.
Rights: fechado
Identifier DOI: 
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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