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Synthesis, Reactivities and Electrochemistry of trans-Dioxoruthenium(VI) Complexes of ?-Aromatic Diimines

DOI: 10.1039/DT9910000379

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Journal of the Chemical Society, Dalton Transactions p. 379 - 384 (1991)

Update date:2022-08-11

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Authors:

Che, Chi-MingChe, Chi-Ming

Leung, Wai-HoLeung, Wai-Ho

Li, Chi-KeungLi, Chi-Keung

Poon, Chung-KwongPoon, Chung-Kwong

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Article abstract of DOI:10.1039/DT9910000379

The synthesis and electrochemistry of trans-2 are described.Oxidation of trans-2+ by Ce(IV) in water gave trans-2 is a powerful oxidant with E0(Ru(VI)-Ru(IV)) = 1.0 V vs. saturated calomel electrode at pH 1.0.In acetonitrile or acetone, it oxidizes alcohols to ketones/aldehydes, tetrahydrofuran to γ-butyrolactone, alkenes to epoxides and saturated or aromatic hydrocarbons to alcohol/ketones.Oxidation of saturated alkanes occurs preferentially at the tertiary C-H bond.In the presence of CCl4, cyclohexane is oxidized to cyclohexyl chloride instead of cyclohexanone.The mechanisms of alcohol and cyclohexane oxidation were investigated by kinetic experiments and by isotope labelling studies.

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