Synthesis of Tetrachloride Gold(I) Acid

4-Diphenylphosphine benzoic acid and other chemicals were purchased from Merck and used without any other purifications. A foil of metal gold was used to synthesize tetrachloride gold(I) acid by dissolving the gold chop by boiling aqua regia and by the careful evaporation of water till almost to dryness. Me₂SAuCl was prepared by the reduction of tetrachloride gold(I) acid with an excess of Me₂S in ethyl alcohol. The solvents used in the preparations were HPLC grade and they were used as purchased. Anhydrous and radical-free THF was obtained by treating the solvent with Na/acetophenone under a N₂ atmosphere.

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Luciani L., Galassi R., Wang J., Marchini C., Cogo A., Di Paolo M.L, & Dalla Via L. (2022). Coinage Metal Compounds With 4-Methoxy-Diphenylphosphane Benzoate Ligand Inhibit Female Cancer Cell Growth. Frontiers in Chemistry, 10, 924584.

Publication 2022

4-Diphenylphosphine benzoic acid

Acetophenone Acid Aqua regia Atmosphere Benzoic acid Chop Ethyl alcohol Gold Hplc Metal Solvent

Corresponding Organization : University of Padua

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Variable analysis

independent variables

Dissolving gold chop by boiling aqua regia
Careful evaporation of water till almost to dryness
Reduction of tetrachloride gold(I) acid with an excess of Me2S in ethyl alcohol

dependent variables

Preparation of tetrachloride gold(I) acid
Preparation of Me2SAuCl

control variables

4-Diphenylphosphine benzoic acid and other chemicals were purchased from Merck and used without any other purifications
Solvents used in the preparations were HPLC grade and they were used as purchased
Anhydrous and radical-free THF was obtained by treating the solvent with Na/acetophenone under a N2 atmosphere

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