1H nuclear magnetic resonance spectroscopy (1H NMR) ()

dataset for 1H nuclear magnetic resonance spectroscopy (1H NMR) 1H NMR (500 MHz, CDCl3, ppm) δ = 7.48–7.45 (m, 4H, HAr), 7.42–7.37 (m, 1H, HAr), 6.58–6.53 (m, 3H, HAr), 6.50 (d, J = 7.6 Hz, 1H, HAr), 6.46 (dd, J = 7.7, 1.9 Hz, 1H, HAr), 6.15 (dd, J = 8.1, 1.7 Hz, 1H, HAr), 5.81 (d, J = 3.9 Hz, 1H, HAr), 5.76 (d, J = 1.8 Hz, 1H, CArCHOH), 3.81 (ddd, J = 13.3, 9.8, 3.2 Hz, 1H, HPc), 3.26–3.13 (m, 2H, HPc), 3.06–2.92 (m, 4H, HPc), 2.76 (ddd, J = 11.7, 8.3, 5.9 Hz, 1H, HPc), 2.07 (d, J = 4.3, 1H, CArCHOH).The spectrum contains ethyl acetate and 4% impurities.