Abstract
The coordination chemistry of aminobenzoic and hydroxybenzoic acids represents a fascinating intersection of organic and inorganic chemistry, offering insights into chelation mechanisms, structural diversity, and potential applications in catalysis, medicine, and materials science. This review examines the fundamental principles governing complex formation with these ligands, with particular emphasis on Chugayev's ring theory and classical coordination chemistry concepts. The structural features of these aromatic carboxylic acids—combining donor atoms in specific spatial arrangements—make them particularly suitable for investigating the factors that control metal-ligand bonding and complex stability.
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