1H NMR (400 MHz, CDCl3) δ 8.19 (d, J = 8.5 Hz, 1H), 8.14 (s, 1H), 7.85 (d, J = 8.1 Hz, 1H), 7.76 – 7.70 (m, 1H), 7.58 – 7.51 (m, 1H), 7.46 – 7.39 (m, 2H), 7.35 – 7.26 (m, 5H), 6.85 – 6.77 (m, 2H), 3.80 (s, 3H). 13C{1H} NMR (101 MHz, CDCl3) δ 159.6, 157.9, 147.3, 140.3, 137.6, 134.4, 132.8, 131.4, 129.7, 129.5, 129.3, 128.3, 127.4, 127.1, 127.0, 126.5, 113.4, 55.2. HRMS (EI) m/z: calcd for C22H17NO, 311.1310; found, 311.1315.
