A new light- and air-stable silver(I) pyrazolate complex of general formula [AgPz]3 (Pz = 3,5-dimethyl-4-n-amylpyrazolate) has been synthesized as well as structurally and spectroscopically characterized. The ligand (Pz) has been designed with a hydrocarbon substituent (n-amyl) attached to the pyrazole core to enhance the solubility in apolar solvents and tribological fluids. The complex [AgPz]3 is being evaluated as a friction-reducing and anti-wear additive in engine lubricating oils at testing temperatures which thermally degrade conventional base oils. Synthetic, analytical, spectroscopic, thermal stability, and promising tribological results will be discussed.

Synthesis and characterization of trimeric silver(I) 3,5-dimethyl-4-n-amylpyrazolate complex and its implication in tribology

248th National Meeting (2014)

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