PROTON TRANSFER SALTS and THEIR COMPLEXES and MIXED-LIGAND COMPLEXES of PYRIDINE DICARBOXYLIC ACIDS and PIPERAZINES: A SHORT REVIEW

Abstract

In this study, a short review covering the years 2009-2021 was made about the proton transfer salts obtained from the reaction of pyridine-acids, which are accepted as suitable proton donors, and piperazines, which are proton acceptors, and their metal complexes and mixed ligand metal complexes. In some complexes studied, both initial ion pairs bind to the metal, while in others they contain only one of the cationic and anionic moieties as ligands.

Keywords

• Proton transfer salt
• Piperazine
• Pyridine
• Mixed ligand
• Metal complexes

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