Extracurricular laboratory:new discovery of Ruthenium(III) chloride

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Synthetic Route of 10049-08-8. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 10049-08-8, Name is Ruthenium(III) chloride

It has been observed that the perruthenate formed on addition of ruthenium trichloride to peroxodisulphate solution in base decomposes, with loss of oxygen, to form ruthenate.Contrary to thermodynamic prediction, the latter species appears to be highly stable in the presence of excess of peroxodisulphate providing reactive organic species such as alcohols are not present.Addition of alcohols to the ruthenate-peroxodisulphate mixture at high pH affords a perruthenate-alcohol complex, the latter acting as an effective catalyst for the homogeneous oxidation of primary or secondary alcohols by the peroxodisulphate.A mechanism based on alpha-hydride abstraction has been proposed for the latter reaction, and the simultaneous formation of the insoluble dioxide RuO2*H2O attributed to further reaction of the two products, ruthenate and aldehyde.Although there have been several claims to the contrary, ruthenate (RuO42-) species do not directly oxidize alcohols (other than methanol); they are, however, capable of readily oxidizing aldehydes.

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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI