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Iron-catalyzed carbonylation-peroxidation of alkenes with aldehydes and hydroperoxides.

A three-component reaction of alkenes, aldehydes, and hydroperoxides catalyzed by FeCl(2) to β-peroxy ketones has been achieved. This three-component reaction can be also applied to the synthesis of α-carbonyl epoxides, through either a stepwise base-induced epoxidation of the separated β-peroxy ketone products or a one-pot process by simply adding base to the reaction mixture after the completion of the three-component reaction.