A photo-induced, metal-free strategy was used for the direct C(sp 2 )–H bond selenylation of indoles, imidazoles and arenes using Rose Bengal as a photocatalyst.
A convenient metal-free and solvent-free iodine-catalyzed regioselective greener protocol to access different types of unsymmetrical chalcogenides with nitrogen- or oxygen-containing arenes through oxidative C–Se/C–S formation via direct C(sp 2 )–H bond activation was developed.
1 November 2016 in Bioorganic & Medicinal Chemistry