Ultrafast chemistry: cobalt carbonyl-mediated synthesis of diaryl ketones under microwave irradiation.

By combining the advantages of metal activation, in situ carbon monoxide delivery, and microwave heating, benzophenones were efficiently synthesized in 6-10 s. These ultrafast carbonylation reactions occur under air by flash heating of aryl iodides in the presence of dicobalt octacarbonyl. [reaction: see text]

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