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Study of the complex formation between 4, 6-diamine-1, 2-dihydro-2-thiopyrimidine and cobalt(II), cobalt(III), nickel(II) and copper(II) ions

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Summary

Reactions of 4, 6-diamine-1, 2-dihydro-2-thiopyrimidine (HDATP) with cobalt(II), nickel(II) and copper(II) ions in 1∶2 metal:ligand ratio in aqueous media at 25°C and 0.1 M ionic strength (KNO3), lead to the formation of both [M(DATP)]+ and [M(DATP)2] species, whose stability constants were obtained.

On the other hand, in aqueous or ethanolic media, solid complexes with 1∶1, 1∶2, or 1∶3 stoichiometries were isolated. These have been characterized by analytical, i.r. and electronic spectral and magnetic measurement studies, and tentative structures are proposed.

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Authors and Affiliations

  1. Department of Inorganic Chemistry, Faculty of Sciences, University of Granada, 18071, Granada, Spain

    Maria D. Gutierrez-Valero, Maria A. Romero-Molina, Rafael López-Garzón & Juan M. Salas-Peregrin

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  1. Maria D. Gutierrez-Valero
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  2. Maria A. Romero-Molina
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  3. Rafael López-Garzón
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  4. Juan M. Salas-Peregrin
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Gutierrez-Valero, M.D., Romero-Molina, M.A., López-Garzón, R. et al. Study of the complex formation between 4, 6-diamine-1, 2-dihydro-2-thiopyrimidine and cobalt(II), cobalt(III), nickel(II) and copper(II) ions. Transition Met Chem 13, 451–454 (1988). https://doi.org/10.1007/BF01043710

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  • DOI: https://doi.org/10.1007/BF01043710

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