熔点:92.5 - 94.2 oC. 1H NMR (400 MHz, CDCl3) δ 8.06 – 8.00 (m, 2H), 7.40 (d, J = 7.5 Hz, 2H), 7.33 (t, J = 7.4 Hz, 2H), 7.24 (d, J = 7.8 Hz, 1H), 7.16 (t, J = 8.2 Hz, 2H), 6.18 (s, 1H), 3.54 (d, J = 9.8 Hz, 1H), 2.59 (s, 2H), 2.58 -2.39 (m, 2H), 2.17 (d, J = 12.4 Hz, 1H), 1.88 (dt, J = 12.2, 9.0 Hz, 1H). 13C NMR (101 MHz, CDCl3) δ 201.67, 141.65, 136.31, 130.96 , 128.32, 126.94, 125.05, 122.96, 115.91, 115.70, 41.26, 28.73, 27.15, 26.25. HRMS (ESI): calcd for C19H18FO [M + H]: 281.1342, found: 281.1339.