Abstract
In this research, palladium-catalyzed C-H bond halogenation of benzoxazinone derivatives has been achieved. This approach shows high regioselectivity and wide substrate scope, the products are obtained in moderate to good yields. The plausible mechanism was discussed, the reaction may have gone through a PdII/PdIV/PdII process. This protocol provides a simple and effective synthesis pathway for various halogenated benzoxazinone derivatives.
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