Abstract

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With simple alkanes as the alkyl radical precursors under microwave irradiation, a convenient and efficient cross‐dehydrogenative alkylation reaction of quinoxalin‐2(1H)‐ones and other N‐heteroarenes has been achieved. The protocol demonstrates a broad substrate scope, good functional group tolerance, high atom economy and high efficiency, providing a wide range of valuable, structurally diverse C3 alkylated quinoxalin‐2(1H)‐ones and other alkylated N‐heteroarenes in good‐to‐excellent yields.

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