Awesome and Easy Science Experiments about Dichloro(benzene)ruthenium(II) dimer

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Reference of 37366-09-9. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer

The synthesis of the trinuclear cluster cation [H3Ru 3(C6H6)(C6Me6) 2(O)]+ (1) has been considerably improved by changes in the NaBH4 addition step and by introducing chromatographic methods; in addition, the redox and ligand exchange properties of 1 have been studied. Although exposure of an aqueous solution of 1 to air yields the oxidised cluster [H2Ru3(C6H6)(C6Me 6)2(O)(OH)]+ (2), cyclic voltammetry of [1][BF4] in acetonitrile reveals a first reversible oxidation step that does not involve 2. Bulk electrolysis of 1 and 2 in the same medium affords only decomposition products. Ligand exchange in 1 takes place only at higher temperatures: by heating a mixture of toluene with an aqueous solution of [1][BF4] (1000:1) to 110C for 2 h, the formation of the toluene derivative [H3Ru3(C6H5Me)(C 6Me6)2(O)]+ (3) is observed in small quantities. H/D exchange of 1 with D2O does not occur up to 90C; however, in the presence of D2, H/D exchange with 1 is observed to give the deuterated derivative [D3Ru3(C 6H6)(C6Me6)2(O)] + (1a). The results provide an improved synthesis of 1, as well as information about its redox and ligand-exchange reactions, results necessary to understand and develop the chemistry of 1.

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