Electrocatalytic Oxidant‐Free Dehydrogenative C−H/S−H Cross‐Coupling

Abstract An environmentally friendly electrocatalytic protocol has been developed for dehydrogenative C−H/S−H cross‐coupling. This method enabled C−S bond formation under catalyst‐ and oxidant‐free conditions. Under undivided electrolysis conditions, various aryl/heteroaryl thiols and electron‐rich arenes afforded the C−S bond‐formation products in 24–99 % yield. A preliminary mechanistic study indicated that the generation of aryl radical cation intermediates is key to the success of this transformation.