反应详情

Compound 14b was prepared from 4-methylaminostyrene (0.140 g, 1.05 mmol) and 9b (0.241 g, 0.7 mmol) as a light yellow viscous liquid (0.149 g, 61% yield). 1H NMR δ 8.07 (d, 1H, J=2.1 Hz), 8.03 (d, 1H, J=2.1 Hz), 7.35 (d, 2H, J=8.6 Hz), 6.93 (d, 1H, J=16.3 Hz), 6.74 (d, 1H, J=16.3 Hz), 6.61 (d, 2H, J=8.6 Hz), 4.57-4.52 (m, 2H), 3.99 (br s, 2H), 3.18 (br s, 1H), 2.88 (s, 3H). 13C NMR δ 149.6, 143.3, 138.5, 130.1, 130.0, 128.0, 126.0, 118.6, 112.6, 107.7, 69.8, 62.2, 30.7. HRMS calcd for C17H19BrN2O2 (M+), 348.0473; found, 348.0468.