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Csp3-Ⅰ bond,especially those with β-hydrogen atoms,are a class of challenging substrates for the palladium-catalyzed transforms owing to the facile β-H elimination for alkylpalladium intermediate.Herein,Pd-catalyzed cascade reactions from unactivated Csp3-Ⅰ bond were disscussed.Reaction a displays a Pd-catalyzed atom transfer cyclization of unactivated alkyl iodide.1 Reaction b provides a Pd-catalyzed reductive cross-coupling protocol without metallic reductant.