Question
How are dioxygen adducts of cobaltocenes prepared?
Answer :
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Dioxygen adducts of cobaltocenes are prepared by the controlled oxidation of cobaltocene in the presence of molecular oxygen. Cobaltocene, Co(C₅H₅)₂, is a highly reducing organometallic compound containing cobalt in the +2 oxidation state. Because of its strong electron-donating nature, it readily reacts with dioxygen under suitable conditions. The preparation is generally carried out by dissolving cobaltocene in an inert organic solvent such as tetrahydrofuran (THF), diethyl ether, or toluene under an atmosphere
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