1
1735, 1625, 1595, 1556, 1480, 1454, 1373, 1319, 1251, 1172, 1051, 975, 894, 774, 681cm-1; H NMR
(400MHz, CDCl3, ppm): δ 7.69 (s, 1H), 7.28–7.25 (m, 1H), 7.20–7.19 (m, 2H), 2.56 (dd, J = 18.60, 3.56Hz,
1H), 2.50 (d, J = 13.52Hz, 1H), 2.06–2.01 (m, 2H), 1.84–1.51 (m, 10H), 1.41–1.35 (m, 3H), 1.33 (s, 3H),
1.26–1.12 (m, 3H), 0.97 (s, 3H), 0.51 (s, 3H); 13C NMR (100MHz, CDCl3, ppm): δ 222.32, 165.65, 159.83,
138.99, 130.71, 126.00, 123.04, 120.16, 116.46, 56.99, 54.60, 54.12, 48.70, 48.40, 41.15, 39.47, 39.35,
38.06, 37.81, 37.60, 37.11, 29.91, 21.58, 20.12, 19.80, 18.38, 13.02; HRMS (ESI, m/z) calcd for
C27H35BrN3O2 [M+H]+ 512.1913. Found: 512.1907.
4.2.4.13. Compound 5m. White solid. Yield 95%; Mp 133.1–135.2 °C; IR (KBr): 3284, 3186, 3124, 3074,
2935, 2849, 1735, 1624, 1594, 1558, 1491, 1454, 1407, 1373, 1319, 1245, 1175, 1131, 1074, 1051, 1009,
974, 825, 501cm-1; 1H NMR (400MHz, CDCl3, ppm): δ 8.45 (s, 1H), 7.44 (d, J = 8.88Hz, 2H), 7.36 (d, J =
8.88Hz, 2H), 2.58 (dd, J = 18.52, 3.56Hz, 1H), 2.49 (d, J = 13.52Hz, 1H), 2.12–1.97 (m, 2H), 1.79–1.52
(m, 9H), 1.45–1.36 (m, 3H), 1.31 (s, 3H), 1.26–1.12 (m, 4H), 0.97 (s, 3H), 0.51 (s, 3H); 13C NMR
(100MHz, CDCl3, ppm): δ 222.33, 165.60, 159.49, 137.16, 132.22, 132.22, 118.90, 118.90, 115.13, 56.97,
54.60, 54.19, 48.71, 48.40, 41.18, 39.48, 39.32, 38.19, 37.81, 37.49, 37.13, 29.98, 21.44, 20.12, 19.81,
18.45, 13.03; HRMS (ESI, m/z) calcd for C27H35BrN3O2 [M+H]+ 512.1913. Found: 512.1908.
4.2.4.14. Compound 5n. White solid. Yield 44%; Mp 162.3–164.1 °C; IR (KBr): 3400, 3082, 2957, 2909,
2842, 1738, 1624, 1592, 1559, 1528, 1488, 1462, 1345, 1249, 1216, 1176, 1120, 974, 928, 748, 475cm-1;
1H NMR (400MHz, CDCl3, ppm): δ 8.10 (t, J = 4.62Hz, 1H), 7.52 (s, 1H), 7.02–6.98 (m, 2H), 6.93–6.89
(m, 1H), 3.94 (s, 3H), 2.60 (dd, J = 18.60, 3.68Hz, 1H), 2.51 (d, J = 13.52Hz, 1H), 2.17–1.99 (m, 2H),
1.81–1.52 (m, 9H), 1.42–1.35 (m, 3H), 1.31 (s, 3H), 1.24–1.13 (m, 4H), 0.97 (s, 3H), 0.53 (s, 3H); 13C
NMR (100MHz, CDCl3, ppm): δ 222.27, 165.36, 159.40, 146.99, 127.35, 124.41, 121.27, 116.78, 109.98,
57.00, 55.76, 54.67, 54.25, 48.69, 48.45, 41.21, 39.54, 39.31, 38.24, 37.82, 37.43, 37.15, 29.97, 21.49,
20.12, 19.82, 18.50, 13.01; HRMS (ESI, m/z) calcd for C28H38N3O3 [M+H]+ 464.2913. Found: 464.2910.
4.2.4.15. Compound 5o. White solid. Yield 57%; Mp 110.5–113.1 °C; IR (KBr): 3292, 3091, 2937, 2849,
1
1735, 1629, 1599, 1559, 1497, 1456, 1285, 1161, 975, 852, 771, 689cm-1; H NMR (400MHz, CDCl3,
ppm): δ 8.76 (s, 1H), 7.21 (t, J = 8.18Hz, 1H), 7.18 (s, 1H), 6.92 (d, J = 8.00Hz, 1H), 6.60 (dd, J = 8.12,
1.48Hz, 1H), 3.82 (s, 3H), 2.58 (dd, J = 18.56, 3.28Hz, 1H), 2.50 (d, J = 13.44Hz, 1H), 2.14–1.99 (m, 2H),
1.79–1.52 (m, 9H), 1.48–1.35 (m, 3H), 1.32 (s, 3H), 1.26–1.13 (m, 4H), 0.97 (s, 3H), 0.53 (s, 3H); 13C
NMR (100MHz, CDCl3, ppm): δ 222.39, 165.47, 160.58, 159.91, 139.38, 130.07, 109.51, 108.68, 102.94,
57.01, 55.29, 54.65, 54.23, 48.73, 48.45, 41.24, 39.55, 39.34, 38.25, 37.84, 37.52, 37.16, 30.02, 21.52,
This article is protected by copyright. All rights reserved.