Abstract
AbstractA white light/iodosuccinimide (NIS)‐promoted three component reaction of alkenes, N‐sulfonylhydrazones, and diorganyl diselenides for synthesis of organylselenylethyl sulfonylhydrazones under air is disclosed. This intermolecular aminoselenylation of alkenes using N‐tosylhydrazones as nitrogen source was performed under mild conditions and well tolerated for common groups. In addition, heteroaryl and aliphatic diselenides also gave the target compounds. Gram‐scale reaction also carried out smoothly. This protocol has a wide range of substrates and affords moderate to high yields and excellent regioselectivities. The photoactive intermediates from the interaction between NIS and diphenyl diselenide was detected by UV‐visible absorption spectra, which matches the wavelength of the applied white LED. A reasonable mechanism was proposed based on UV‐visible light experiments and control experiments.
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