Reported herein is a transition metal- and oxidant-free method for the synthesis of selenyl heteroarenes with diselenides through iodide ion-catalyzed electrolytic selenation. This direct C(sp2)-H selenation strategy, with reduced environmental impact, provides efficient access to a host of selenyl indoles and some other N-heteroarenes under aerobic and galvanostatic conditions.
A low-cost and efficient thio-and selenocyanation strategy for electron-rich arenes has been developed under constant-current electrolytic conditions in an undivided cell. This strategy is versatile for various (hetero)aromatic compounds such as indole, pyrrole, aniline and anisole under mild conditions without any catalyst or oxidant. Readily available salts NH 4 SCN and KSeCN are employed respectively as the sole reagent.
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