1 H NMR (400 MHz, CDCl3): δ 8.42 (d, J = 8.0 Hz, 1H), 7.52 (dd, J = 8.4, 1.6 Hz, 2H), 7.30 (td, J = 8.0, 1.6 Hz, 1H), 6.95 (td, J = 7.6, 1.6 Hz, 1H), 5.77 (t, J = 1.2 Hz, 1H), 2.24 (d, J = 1.2 Hz, 3H), 1.94 (d, J = 1.2 Hz, 3H)
13 C NMR (100 MHz, CDCl3): δ 164.72, 154.49, 136.08, 132.14, 128.29, 124.71, 121.65, 118.50, 32.76, 27.47, 20.09
mp = 95.3°C – 97.6°C
Rf = 0.81 (1:1 EtOAc/Hex)