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The alkenylation of cyclic ethers with β-nitroalkenes using uranyl cation as a photocatalyst is reported. Previous studies revealed the feasibility of incorporating organic photocatalyst in the visible light mediated alkenylation, while the uranyl cation serves as an alternative photocatalyst candidate successfully accomplish this transformation through a different pathway. The reaction features the direct hydrogen atom transfer (HAT) process to activate alpha C(sp 3 )-H of cyclic ether, and consequently cyclic ether is coupled with β-nitroalkene to give the target product with  F -selectivity through C-C bond formation.

C(sp3)-H alkenylation promoted by uranyl cation as a visible-light photocatalyst

C(sp³)-H alkenylation promoted by uranyl cation as a visible-light photocatalyst