Abstract
A facile and efficient copper catalyzed one-pot method has been developed for the formation of β-ketophosphine oxides from ketones and H-phosphine oxides under air at room temperature, in which vinylhydrazinedicarboxylate was formed as the key intermediate. Preliminary mechanistic studies indicated that the reaction might involve a radical process and carbonyl oxygen atom of β-ketophosphine oxides came from molecular oxygen.
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