磷钼酸催化合成4-氨基香豆素衍生物(2)
3,3'-(4-氯苯基次甲基)-双-(4-氨基香豆素) (3b)： IR (KBr): 3396, 3215, 1638, 1592, 1544, 1437, 1074, 756 cm-1; 1H NMR (DMSO-d6, 400 MHz) δ: 8.10 (d, J = 7.9 Hz, 2H), 7.82 (s, 4H), 7.66 (t, J = 7.7 Hz, 2H), 7.44 – 7.36 (m, 4H), 7.30 (d, J = 8.5 Hz, 2H), 7.13 (d, J = 8.3 Hz, 2H), 5.89 (s, 1H); 13C NMR (DMSO-d6, 100 MHz) δ: 164.4, 154.7, 152.6, 137.7, 132.8, 130.5, 129.0, 128.4, 124.4, 123.7, 117.3, 114.9, 94.6, 37.5. ESI-HRMS: m/z calcd for C25H17ClN2O4 [M + Na]+: 467.0769. Found: 467.0792.
3,3'-(4-甲氧基苯基次甲基)-双-(4-氨基香豆素) (3c)： IR (KBr): 3365, 3208, 1638, 1606, 1544, 1435, 11072, 757 cm-1; 1H NMR (DMSO-d6, 400 MHz) δ: 8.10 (d, J = 7.9 Hz, 2H), 7.81 (s, 4H), 7.66 (t, J = 7.7 Hz, 2H), 7.40 (dd, J = 12.6, 7.9 Hz, 4H), 7.06 (d, J = 8.0 Hz, 2H), 6.99 (d, J = 7.9 Hz, 2H), 5.88 (s, 1H), 2.27 (s, 3H); 13C NMR (DMSO-d6, 100 MHz) δ: 164.4, 154.6, 152.6, 135.4, 134.7, 132.7, 129.1, 126.9, 124.3, 123.7, 117.2, 115.0, 95.1, 37.5, 21.0. ESI-HRMS: m/z calcd for C26H20N2O5 [M + Na]+: 463.1264. Found: 463.1230.