Coordination of Alkyl-Substituted Biladiene-a,c by Zinc(II), Cadmium(II), and Mercury(II) Acetates in Dimethylformamide


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Abstract

The general structural and thermodynamic aspects of complexation with linear tetrapyrroles are discussed using d-metal complexes with alkyl-substituted biladiene-a,c as examples. The influence of the nature of a metal and a solvating medium on the complexation constants in the systems with biladiene-a,c is considered. It is shown that the biladiene-a,c ligand can be used in practice as a highly selective chelating agent in the determination of Zn2+, Cd2+, and Hg2+ ion contents in organic solvents.

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