Cu-catalyzed C–N bond cleavage of 3-aminoindazoles for the C–H arylation of enamines

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The Cu-catalyzed C–H arylation of enamines via the oxidative C–N cleavage of 3-aminoindazoles is presented. A diverse array of arylated enamines were produced in decent yields with a wide substrate scope under mild conditions. Here, 3-aminoindazoles were harnessed as novel arylating agents via a radical process.