“…1 H NMR (200 MHz, C6D6, 25 °C) δ 8.42 (d, 2H, J = 7.9, p-tolyl CH), 7.70 (d, 4H, J = 7.8, Ph o-H), 7.29 (d, 2H, J = 7.9, p-tolyl CH), 6.81 (t, 4H, J = 7.7, Ph m-H), 6.66 (t, 2H, J = 7.4, Ph p-H), 2.25 (s, 3H, p-tolyl CH3). 13 C NMR (50.4 MHz, C6D6, 25 °C) δ 152.8 (Ph ipso-C …”