Novel Al(III) and In(III) complexes containing acesulfame and nicotinamide/N,N-diethylnicotinamide ligands. Synthesis and structural characterization

Abstract

Single-ligand (acesulfame) and mixed-ligand (acesulfame-nicotinamide) complexes of Aluminum (Al) and Indium (In) metal cations with 3+ oxidation steps in the 3A group, called earth metals, were synthesized and their structural characterizations were examined. The chemical compositions of the complexes were investigated by elemental analysis method, their binding properties by infrared and solid state UV-Vis spectroscopy, their degradation products analysis by GC-MS spectroscopy and their thermal behavior by TGA/DTA/DrTGA analysis. Acesulfame molecule, which is frequently used in industry, especially as an artificial sweetener, attracts attention as a valuable ligand in terms of coordination chemistry, thanks to the many electron-donating active groups it contains. It is also an easy ligand to work with, as it can form solids by precipitating to obtain a single crystal in coordination compounds. Although complex structures with transition metals are frequently found in the literature, studies on earth elements have not yet been found. It is important that the studies to be carried out in terms of characterization studies of the structures to be obtained and materials that can be used for industry contribute to the literature.

Keywords

• Acesulfame
• nicotinamide
• N
• N-diethylnicotinamide
• structural characterization
• coordination compounds
• metal complexes

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