反应详情

1H-NMR (400 MHz, CDCl3): δ [ppm]=3.84 (s, 3H, CH3), 5.42 (d, 2J=1.0 Hz, 1H, ═CH2), 5.88 (d, 2J=1.0 Hz, 1H, ═CH2), 6.97 (d, 3J=8.5 Hz, 1H, PhH), 7.32 (m, 5H, PhH), 7.88 (d, 4J=2.3 Hz, 1H, PhH), 7.94 (dd, 3J=8.5 Hz, 4J=2.3 Hz, 1H, PhH). 13C-NMR (100 MHz, CDCl3): δ [ppm]=51.9 (CH3), 115.8 (CHarom), 117.4 (═CH2), 122.4 (Cqarom), 126.8 (2×CHarom), 127.6 (Cqarom), 128.7 (CHarom), 128.7 (2×CHarom), 131.3 (CHarom), 132.4 (CHarom), 138.8 (Cqarom), 144.3 (Cqolefin), 157.3 (Cqarom), 166.8 (COOMe). MS (EI, 70EV): m/z [%]=254 (M+, 5), 253 (7), 239 (3), 223 (1), 165 (1), 152 (1), 131 (1), 120 (22), 105 (44), 91 (100), 77 (37), 65 (13), 59 (16), 51 (20), 45 (17).