Acid–Basic Properties of Al(III), Ga(III), and In(III) Complexes with Octaphenyltetraazaporphine |
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Authors: | Ivanova S S Stuzhin P A |
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Institution: | (1) Ivanovo State Academy of Chemical Technology, Ivanovo, Russia |
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Abstract: | Al(III), Ga(III), and In(III) complexes with octaphenyltetraazaporphine and halide axial ligands of the composition (X)MTAP] (X = F, Cl, Br) and In(III) complexes with bidentate ligands of the composition (Y)InTAP] (Y = nitrite (NO2) and 2,3-naphthodiolate (NpO2)) were synthesized. The acid–basic properties of the complexes were studied in the proton-donor media and the concentration stability constants of the acidic forms obtained at the first protonation stage were determined. The effect of the nature of a metal and extra ligand on the basic properties of meso-nitrogen atom in macrocyclic ligand was discussed. |
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