Visible-Light-Induced Radical Cascade [4 + 2]/[4 + 2] Cycloaddition of Underexplored N-Acryloyl Indoles To Access Dihydropyrido[1,2- a]-indolones
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We report a visible-light-mediated radical cascade [4 + 2]/[4 + 2] cycloaddition of simple N-acryloyl indoles and N-hydroxyphthalimide esters, which provides a streamlined route to structurally complex dihydropyrido[1,2-a]-indolones. The reaction features a se... ...