Abstract
Se sintetizó un nuevo compuesto de coordinación de plata, [Ag(sac)(pbi)], por reacción de sacarinato de plata(I) con 2-(2-piridil)bencimidazol (pbi) con un rendimiento de 64%. La caracterización se realizó por análisis elemental, espectroscopia IR, UV-Visible, XPS, 1H-RMN y 13C-RMN. De acuerdo con los resultados obtenidos la plata está coordinada a través de tres átomos de nitrógeno, uno del sacarinato y los dos restantes del 2-(2-piridil)-bencimidazol formando con este ligando un anillo quelato de cinco miembros.
Highlights
Saccharin (Hsac) is a non-caloric sweetener, relatively insoluble in water but soluble in solvents such as ethanol, acetone, and methanol [1]
There are several silver(I) saccharinate heteroleptic compounds in which silver is coordinated with other ligands and important interactions have been reported, such as those of the type Ag···Ag that contribute to the structural formation and have different properties [3]
The presence of a silver center with +1 oxidation state was verified by XPS
Summary
Saccharin (Hsac) is a non-caloric sweetener, relatively insoluble in water but soluble in solvents such as ethanol, acetone, and methanol [1]. The different functional groups, in combination with a series of metal centers, allow a series of coordination modes and chemical structures that will be discussed later. There are several silver(I) saccharinate heteroleptic compounds in which silver is coordinated with other ligands and important interactions have been reported, such as those of the type Ag···Ag that contribute to the structural formation and have different properties [3]. As well as some metal-saccharin complexes, possesses biological activity [2]. The present work aims to synthesize a new heteroleptic silver compound bonded to saccharin and 2- (2'-pyridyl)benzimidazole (pbi)
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