Abstract
AbstractThe direct halogenation of arenes under metal‐free condition has been developed via an electrophilic aromatic substitution reaction through in situ generation of hypohalous acid from HX and m‐CPBA. The reactive halonium ion (X+) was generated from halide anion (X−) using m‐CPBA as an oxidant for the first time. This interesting finding has been supported by cyclic voltammetry studies. The notable features of this reaction are very short reaction time, diversified substrate scope for chlorination as well as bromination reaction, scalable, good reaction yield and mild reaction condition.
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