Electrochemical synthesis, structure, magnetic and tribochemical properties of metallochelates of new azomethine ligands, bis-[2-(N-tosylaminobenzylidenealkyl(aryl)]disulfides
摘要:
On the basis of new ligand systems, bis-azomethines of N-tosylaminobenzaldehyde and alkyl(aryl)diaminodisulfides, mono- and binuclear chelates with 4N- and 2N2S-ligand arrangement were chemically (from metal acetates) or electrochemically (from metals in the zero oxidation state) first synthesized and characterized. Mononuclear chelates have a tetrahedral structure. In binuclear copper complexes the magnetic exchange interaction of the antiferromagnetic type was observed. Bisazomethines of disulfides were used as additives to lubricant oils.
Electrochemical Synthesis and Characterization of Zinc(II) and Cadmium(II) Complexes of Dianionic Tetradentate Schiff Base Ligand
作者:Laura Rodríguez、Elena Labisbal、Antonio Sousa-Pedrares、Jaime Romero、José-Arturo García Vázquez、Antonio Sousa
DOI:10.1002/zaac.200700209
日期:2007.9
oxidation of anodic metal (zinc or cadmium) in acetonitrile solution of the potentially chelating Schiff base N,N-(dithiodiethylenebis(aminylydenemethylydene)bis(1,2-phenylene)ditosylamide (H2L) afforded stable complexes of empirical formula [ML]. The crystal and molecular structures of [ZnL]·CH3CN (1) and [CdL] (2) have been determined by X-ray diffraction. In both complexes the metal atom is in a distorted