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Dithiocarbamates derived from aspartic and glutamic acids as chelating agents

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Abstract

Dithiocarbamates (dtc's) derived from aspartic (asp) and glutamic (glu) acids have been synthesized and characterized. Their Ba salts are of the general formula Ba3(dtc–aa)2, where aa = amino acid. The dithiocarbamates react with NiII salts to yield square-planar complexes, [Ni(dtc–aa)2]. Complexes with PbII and CdII, with formula [M3(dtc–aa)2], are insoluble in water, and for CdII a second compound can be isolated in an acidic medium for the glutamic acid derivative, with formula [Cd(dtc–glu)]. Conductivity measurements indicate an appreciable affinity of the dithiocarbamates for these metal ions, with an almost quantitative scavenging ability.

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Authors and Affiliations

  1. Departamento de Química Inorgánica, Facultad de Farmacia, Universidad de Salamanca, Avda. Campo Charro, s.n., 37007-, Salamanca, Spain

    Benigno Macías, María V. Villa, Myriam Martín-Simón & Licesio J. Rodríguez

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  1. Benigno Macías
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  2. María V. Villa
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  3. Myriam Martín-Simón
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  4. Licesio J. Rodríguez
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Macías, B., Villa, M.V., Martín-Simón, M. et al. Dithiocarbamates derived from aspartic and glutamic acids as chelating agents. Transition Metal Chemistry 24, 533–536 (1999). https://doi.org/10.1023/A:1006932005275

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