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Issue 2, 1980
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Macro-inorganics. Part 3. Chelation of copper(II) ion with some polymers having a poly(amido-amine) structure and their non-macromolecular models

Rolando Barbucci,  Vincenzo Barone,  Paolo Ferruti  and  Maurizio Delfini 

Abstract

Copper(II) complex formation with some poly(amido-amines) and their non-macromolecular models has been studied by potentiometric and spectrophotometric (electronic and e.s.r.) techniques. Real stability constants could be determined for the macromolecular ligands. The presence of complexes such as [CuL]2+, [Cu(OH)L]+, and [Cu(OH)2L](where in the case of polymeric ligands L represents the repeating unit) could be ascertained in aqueous solution. The stability constants of the [CuL]2+ complexes with macromolecular ligands are slightly lower than those of their non-macromolecular models. Some of the complexes have been obtained and studied in the solid state. They have clear-cut stoicheiometries and their electronic spectra are identical to those obtained in solution. In order to elucidate the mechanism of complex formation, low-molecular-weight models of the polymers have also been studied. The complexes of the polymers and their corresponding models show identical electronic and e.s.r. spectra.

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Article type: Paper
DOI: 10.1039/DT9800000253
Citation: J. Chem. Soc., Dalton Trans., 1980,0, 253-256
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    Macro-inorganics. Part 3. Chelation of copper(II) ion with some polymers having a poly(amido-amine) structure and their non-macromolecular models

    R. Barbucci, V. Barone, P. Ferruti and M. Delfini, J. Chem. Soc., Dalton Trans., 1980, 0, 253
    DOI: 10.1039/DT9800000253

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