... View issue TOC Volume 19, Issue 39 September 23, 2013 Pages 13175–13181. ... DDQ (2.5 g, 2 equiv), CH 3 C 6 H 5 (30 mL, 0.2 M), 100 °C, 12 h, >90% conv ... and the aromatic ring is the most fundamental factor to determine the reactivity of the aryl azides in organic synthesis.8a ...