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Issue 47, 2008
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Pentadentate thiosemicarbazones as versatile chelating systems. A comparative structural study of their metallic complexes

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Abstract

We have prepared some transition and post-transition metal complexes derived from the pentadentate thiosemicarbazone ligand bis(4-N-ethylthiosemicarbazone)-2,6-diacetylpyridine H2LEt, by both chemical and electrochemical procedures. The complexes have been synthesised and fully characterised, including the crystal structures for the ligand H2LEt and its manganese, cadmium and lead complexes. We have also performed multinuclear 109Ag, 113Cd, 119Sn and 207Pb studies for silver, cadmium, tin and lead compounds, respectively. Moreover we present here a comparative study on the different structures found for pentadentate thiosemicarbazonate complexes, trying to check the influence of different factors, such as experimental procedure, size of metal, structure of the ligand, and metal oxidation state, on the final structure of the complex formed. Our aim is gaining a better insight into the coordination trends of pentadentate thiosemicarbazone ligands.

Graphical abstract: Pentadentate thiosemicarbazones as versatile chelating systems. A comparative structural study of their metallic complexes

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Publication details

The article was received on 23 Jun 2008, accepted on 21 Aug 2008 and first published on 31 Oct 2008


Article type: Paper
DOI: 10.1039/B810601K
Citation: Dalton Trans., 2008,0, 6776-6787
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    Pentadentate thiosemicarbazones as versatile chelating systems. A comparative structural study of their metallic complexes

    R. Pedrido, A. M. González-Noya, M. J. Romero, M. Martínez-Calvo, M. Vázquez López, E. Gómez-Fórneas, G. Zaragoza and M. R. Bermejo, Dalton Trans., 2008, 0, 6776
    DOI: 10.1039/B810601K

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