Abstract
Six organophosphine/phosphite stabilized silver(I) methanesulfonates of type [L n AgO 3SCH 3] (L = Ph 3P, n = 1, 2a; n = 2, 2b; n = 3, 2c; L = (EtO) 3P; n = 1, 2d; n = 2, 2e; n = 3, 2f) were synthesized by the reaction of silver methanesulfonates with triphenylphosphine or triethylphosphite in dichloromethane under nitrogen atmosphere. These complexes were obtained in high yields and characterized by elemental analysis, 1H-, 13C{H} NMR, IR spectroscopy and thermogravimetric analysis (TGA), respectively. X-ray single crystal analysis reveals that complex 2a is a tetramer [Ph 3PAgO 3SCH 3] 4 and complex 2b is a monomer. The thermal stability of 2a has been studied by applying thermogravimetric analysis. It starts to decompose between 50 and 440 °C in a three-step process. The final residue (Ag) is about 20.50%.
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