<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>A novel iodine‐catalyzed aerobic cyclization of o‐carbonyl anilines (I) and structurally related o‐aminobenzamides (IV) with TMEDA (II) as one‐carbon source is developed to give quinazolines (III) and quinazolinones (V).</p> </abstract>