Ligand exchange in the complexone-porphyrin macrocycle system in reactions of copper(II) ethylenediaminetetraacetate with porphyrins and phthalocyanines |
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Authors: | G. M. Mamardashvili B. D. Berezin |
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Affiliation: | (1) Institute of Solution Chemistry, Russian Academy of Sciences, Ivanovo, Russia |
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Abstract: | Complexation between 5,10,15,20-tetraphenylporphine H2TPP and tetra(tert-butyl)phthalocyanine H2(t-Bu)4Pc with copper(II) ethylenediaminetetraacetate in DMSO was studied by spectrophotometry. The kinetic parameters of the reaction were calculated and the mechanism of ligand exchange in the complexone-porphyrin macrocycle system was proposed. The reactivities of H2TPP and H2(t-Bu)4Pc in reactions with copper ethylenediaminetetraacetate and some other copper chelate complexes were compared. |
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