“…1 H NMR (CDCl 3 , 300 MHz) δ: 7.31-7.18 (m, 7H), 6.83 (d, J=8.4 Hz, 2H), 4.61-4.54 (m, 2H), 4.49-4.42 (m, 1H), 4.38-4.36 (m, 2H), 4.17-3.98 (m, 2H), 3.95-3.89 (m, 1H), 3.82-3.78 (m, 1H) (d, J=6.9 Hz, 3H). 13 C NMR (CDCl 3 , 100.7 MHz) δ: 175. 4, 159.1, 153.1, 135.6, 130.6, 129.4, 129.1, 128.9, 127.3, 113.7, 98.8, 82.7, 72.7, 71.7, 66.1, 56.4, 55.9, 55.2, 41.0, 37.7, 37.3, 14.7, 11.9;IR (KBr) ν: 2972, 2937, 1779, 1702, 1612, 1585, 1513, 1455, 1383, 1032 …”