<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>Sodium azide reacts regiospecifically with the ortho‐NO<sub>2</sub> group of 2, 4‐dinitrostilbenes (I) to provide the 2‐amino‐4‐nitrostilbenes (II) as the sole products in good yields.</p> </abstract>