The present study reports an unprecedented protocol for the phosphonylation of unactivated C(sp 3 )−H bonds. By utilizing 1 mol % 4DPAIPN (1,2,3,5‐tetrakis(diphenylamino)‐4,6‐dicyanobenzene) as the catalyst, satisfactory yields of γ‐phosphonylated amides are obtained through a visible‐light‐induced reaction between N ‐((4‐cyanobenzoyl)oxy)alkanamides and 9‐fluorenyl o ‐phenylene phosphite at room temperature. This protocol demonstrates broad substrate scope and wide functional group compatibility.
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Wang et al. (2024) studied this question.
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