NMR:
1H NMR δ (ppm) (DMSO-d6) at 80 °C: 8.14–8.08 (1H, m), 7.99–7.93 (1H, m), 7.90 (1H, s), 7.44–7.31 (3H, m), 7.30–7.25 (2H, m), 7.22–7.16 (1H, m), 4.73–4.54 (2H, m), 4.11–3.98 (2H, m), 3.44–3.34 (1H, m), 3.26–3.15 (1H, m), 2.58–2.51 (1H, m), 2.41–2.32 (1H, m), 2.18 (2H, t), 1.85–1.76 (5H, m). MW (calcd): 485.0. MW (obsd): 485.4 (M + 1).
13C NMR δ (ppm) (DMSO-d6) at 80 °C: 173.1 (C), 171.4 (C), 164.2 (C), 140,0 (C), 138.7 (C), 137.1 (C), 132.9 (C), 130.0 (C), 129.7 (CH), 128.4 (CH), 126.5 (CH), 126.5 (CH), 125.1 (CH), 124.1 (CH), 123.6 (CH), 121.9 (CH), 70.6 (C), 48.4 (CH2), 46.5 (CH2), 45.9 (CH2), 30.6 (CH2), 28.9 (CH2), 23.3 (CH3), 22.4 (CH2).
