Abstract
The metal‐free synthesis of 2‐aryl‐3‐arylmethylquinazolin‐4(3H)‐one is achieved through ionic liquid mediated and I2‐promoted tandem oxidative cyclocondensation of isatoic anhydrides with arylmethylamines as the common precursor for the 2‐aryl and 3‐arylmethyl moieties. Radical quenching experiments suggest a non‐radical mechanistic pathway and the operation under anaerobic condition confirms the essential role of I2 as the oxidant. Metal‐free synthesis, reduced reaction times to afford higher product yields, recyclability of the IL used as the reaction medium, and the feasibility of gram scale operation are some advantages.
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