A straightforward and efficient electrochemical method for regioselective C(sp 2)–H selenylation and sulfenylation of substituted 2-amino-1,4-naphthoquinones has been unearthed. This oxidative cross-coupling reaction avoids using transition metal catalysts, oxidants, and high temperatures. The other notable advantages of this protocol are the tolerance of diverse functional groups, mild reaction conditions at ambient temperature, energy efficiency, good to excellent yields, short reaction times (in minutes), gram-scale applicability, and eco-friendliness.

A one-pot procedure for the synthesis of biologically relevant coumarin-hydrazones by a three-component reaction between 4-hydrocoumarins, primary aromatic amines and tert-butyl nitrite under ball-milling in the absence of any catalyst/additive...

A dual synthetic strategy based on visible-light (white LEDs/direct sunlight) irradiation and electrosynthesis has been explored for the regioselective cross-dehydrogenative C(sp2)-H sulfenylation and selenylation of substituted benzo[a]phenazin-5-ols at oxygen atmosphere...