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X.-S. Wang et al.
(DMSO-d6, d, ppm): 5.96 (s, 1H, CH), 7.14 (d, J ¼ 8.8 Hz, 1H, ArH), 7.22
(t, J ¼ 7.6 Hz, 1H, ArH), 7.29 (d, J ¼ 7.6 Hz, 1H, ArH), 7.38–7.41 (m, 3H,
ArH), 7.46–7.51 (m, 2H, ArH), 7.64–7.68 (m, 1H, ArH), 7.74 (d,
J ¼ 8.8 Hz, 1H, ArH), 7.89 (d, J ¼ 8.0 Hz, 1H, ArH), 7.94 (d, J ¼ 8.4 Hz,
1H, ArH), 8.00 (d, J ¼ 8.4 Hz, 1H, ArH), 8.39 (d, J ¼ 8.0 Hz, 1H, ArH),
8.20 (s, 1H, NH). Anal. calcd. for C26H16ClNO2: C, 76.19; H, 3.93;
N, 3.42; found C, 76.28; H, 3.91; N, 3.49.
3d: mp .3008C. IR (KBr, n, cm21): 3310, 3055, 1659, 1621, 1588, 1569,
1527, 1510, 1477, 1430, 1404, 1321, 1250, 1204, 1187, 1089, 1053, 1015,
918, 834, 813, 782, 756, 711, 697; 1H NMR (DMSO-d6, d, ppm): 5.93
(s, 1H, CH), 7.24 (d, J ¼ 8.4 Hz, 2H, ArH), 7.36 (d, J ¼ 8.4 Hz, 2H, ArH),
7.39 (d, J ¼ 8.0 Hz, 2H, ArH), 7.48 (t, J ¼ 7.6 Hz, 2H, ArH), 7.64–7.68
(m, 1H, ArH), 7.73 (d, J ¼ 8.8 Hz, 1H, ArH), 7.88 (d, J ¼ 8.0 Hz, 1H,
ArH), 7.92 (d, J ¼ 8.8 Hz, 1H, ArH), 7.97 (d, J ¼ 8.8 Hz, 1H, ArH), 8.39
(d, J ¼ 7.6 Hz, 1H, ArH), 10.18 (s, 1H, NH). Anal. calcd. for
C26H16ClNO2: C, 76.19; H, 3.93; N, 3.42; found C, 76.31; H, 3.87; N, 3.56.
3e: mp .3008C. IR (KBr, n, cm21): 3297, 3052, 1656, 1618, 1589, 1529,
1
1474, 1407, 1320, 1252, 1205, 1107, 1046, 863, 818, 758, 741; H NMR
(DMSO-d6, d, ppm): 6.20 (s, 1H, CH), 7.23 (dd, J ¼ 8.4 Hz, J0 ¼ 2.4 Hz,
1H, ArH), 7.37–7.52 (m, 6H, ArH), 7.65–7.69 (m, 1H, ArH), 7.72
(d, J ¼ 8.8 Hz, 1H, ArH), 7.87 (d, J ¼ 8.0 Hz, 1H, ArH), 7.91
(d, J ¼ 8.8 Hz, 1H, ArH), 8.10 (d, J ¼ 8.4 Hz, 1H, ArH), 8.43
(d, J ¼ 8.0 Hz, 1H, ArH), 10.21 (s, 1H, NH). Anal. calcd. for
C26H15Cl2NO2: C, 70.28; H, 3.40; N, 3.15; found C, 70.42; H, 3.47; N, 3.28.
3f: mp .3008C. IR (KBr, n, cm21): 3300, 3067, 1657, 1621, 1588, 1528,
1
1512, 1476, 1404, 1251, 1206, 1059, 1031, 815, 754, 741, 708; H NMR
(DMSO-d6, d, ppm): 5.97 (s, 1H, CH), 7.26 (dd, J ¼ 8.4 Hz, J0 ¼ 1.6 Hz,
1H, ArH), 7.39–7.50 (m, 5H, ArH), 7.61 (d, J ¼ 1.6 Hz, 1H, ArH), 7.65–
7.69 (m, 1H, ArH), 7.74 (d, J ¼ 8.4 Hz, 1H, ArH), 7.89 (d, J ¼ 8.4 Hz, 1H,
ArH), 7.95 (d, J ¼ 8.4 Hz, 1H, ArH), 7.99 (d, J ¼ 8.4 Hz, 1H, ArH), 8.40
(d, J ¼ 8.0 Hz, 1H, ArH), 10.23 (s, 1H, NH). Anal. calcd. for
C26H15Cl2NO2: C, 70.28; H, 3.40; N, 3.15; found C, 70.33; H, 3.54; N, 3.18.
3g: mp .3008C. IR (KBr, n, cm21): 3300 (b), 1656, 1620, 1589, 1528, 1510,
1476, 1405, 1252, 1214, 1101, 1056, 1006, 836, 819, 755; 1H NMR (DMSO-
d6, d, ppm): 5.80 (s, 1H, CH), 6.55 (d, J ¼ 8.4 Hz, 2H, ArH), 7.12
(d, J ¼ 8.4 Hz, 2H, ArH), 7.35–7.39 (m, 2H, ArH), 7.45–7.49 (m, 2H,
ArH), 7.63–7.66 (m, 1H, ArH), 7.70 (d, J ¼ 8.4 Hz, 1H, ArH), 7.85–7.90
(m, 2H, ArH), 7.99 (d, J ¼ 8.0 Hz, 1H, ArH), 8.38 (d, J ¼ 8.0 Hz, 1H,
ArH), 9.20 (b, 1H, OH), 10.08 (s, 1H, OH). Anal. calcd. for C26H17NO3: C,
79.78; H, 4.38; N, 3.58; found C, 79.65; H, 4.44; N, 3.62.
3h: mp .3008C. IR (KBr, n, cm21): 3308, 3066, 2885, 1667, 1615, 1589,
1526, 1478, 1431, 1405, 1357, 1254, 1201, 1185, 1162, 1112, 1054, 947,