Kinetics of the formation and dissociation of complexes of cobalt(II) with meso-Phenylocta(methyl)porphyrin derivatives in organic solvents |
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Authors: | E. M. Kuvshinova A. S. Semeikin S. A. Syrbu O. A. Golubchikov |
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Affiliation: | 1.Ivanovo State University of Chemical Technology,Ivanovo,Russia |
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Abstract: | The influence of the deformation of the tetrapyrrole aromatic macrocycle and the electronic effects of substituents on the kinetic parameters in the formation and dissociation reactions of cobalt complexes of porphyrins are discussed on the basis of a study of the kinetics of the formation and dissociation of cobalt complexes with meso-phenyl octa(methyl)porphyrin derivatives: 5,10,15-triphehyl octa(methyl) porphyrin; 5,15-bis-(3′,5′-di-tert-butyl phenyl) octa(methyl)porphyrin; 5,10,15-tris-(3′,5′-di-tert-butyl phenyl) octa(methyl)porphyrin; and 5,10,15,20-tetrakis-(3′,5′-di-tert-butyl phenyl) octa(methyl)porphyrin in acetic acid and pyridine. |
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