A continuous flow electrochemical reactor using readily available metal wires and carbon fibers as electrodes: environmentally benign halogenations of alkenes, alkynes, and aromatics

Abstract

We have developed a straightforward and cost-effective construction of continuous-flow electrochemical reactors using readily available metal wires and carbon fibers as electrodes. Teflon tubing, known for its chemical resistance and temperature tolerance, served as the flow channels. The flow length and material of the electrodes can be easily adjusted. Moreover, precise control of the reaction temperature is possible. As a proof of concept, environmentally benign halogenations of alkenes, alkynes, and aromatics were developed using easy-to-handle halide salts such as LiBr and LiCl as the halogen sources.