Hu et al.
1057
1
7.51 (d, 2H, J = 9.6 Hz, ArH). MS (70 eV) m/z (%):
360(M+, 77.03), 283 (100), 171 (5.41), 135 (9.46) 115
(2.03), 77 (4.05).
1165, 1125, 1056, 973, 854, 811, 769. H NMR (400 MHz,
CDCl3, ppm): 1.06 (s, 3H, CH3), 1.13 (s, 3H, CH3), 2.18–
2.58 (m, 7H, CH3, 2CH2), 4.56 (d, 1H, J = 4.8 Hz, CH),
5.69 (d, 1H, J = 4.8 Hz, =CH), 7.08 (d, 2H, J = 7.6 Hz,
ArH), 7.21 (d, 2H, J = 7.6 Hz, ArH), 7.30–7.37 (m, 3H,
ArH), 7.58 (d, 2H, J = 8.0 Hz, ArH). MS (70 eV) m/z (%):
344 (M+, 100), 329 (26.23), 253 (81.97), 197 (9.84), 141
(9.84), 105 (11.48), 77 (9.02).
3e: mp 148–150 °C. IR (KBr, cm–1): 3078, 3024, 2955,
2863, 1674, 1658, 1625, 1594, 1514, 1381, 1346, 1285,
1212, 1168, 1123, 1053, 977, 849, 754. 1H NMR (400 MHz,
CDCl3, ppm): 1.12 (s, 3H, CH3), 1.18 (s, 3H, CH3), 2.24–
2.67 (m, 4H, 2CH2), 4.57 (d, 1H, J = 4.8 Hz, CH), 5.94 (d,
1H, J = 4.8 Hz, =CH), 7.22–7.33 (m, 5H, ArH), 7.77 (d, 2H,
J = 8.4 Hz, ArH), 8.24 (d, 2H, J = 8.4 Hz, ArH). MS
(70 eV) m/z (%): 374 (M+, 75.18), 297 (100), 252 (96.38),
231 (8.74), 202 (5.98), 175 (5.86), 139 (13.43), 111 (4.95),
83 (4.93).
3k: mp 108–110 °C. IR (KBr, cm–1): 3078, 3040, 2890,
2868, 1679, 1658, 1627, 1490, 1380, 1273, 1215, 1167,
1057, 857, 721. H NMR (400 MHz, CDCl3, ppm): 1.08 (s,
3H, CH3), 1.16 (s, 3H, CH3), 2.22–2.58 (m, 4H, 2CH2), 4.51
(d, 1H, J = 4.8 Hz, CH), 5.70 (d, 1H, J = 4.8 Hz, =CH),
7.26–7.31 (m, 4H, ArH), 7.35–7.42 (m, 3H, ArH), 7.61(d,
2H, J = 7.6 Hz, ArH). MS (70 eV) m/z (%): 364 (M+, 100),
287 (35.35), 253 (85.26), 202 (7.87), 197(9.80), 141 (9.80),
105 (11.37), 77 (11.02).
1
3f: mp 130–132 °C. IR (KBr, cm–1): 3089, 3051, 2959,
2874, 1678, 1652, 1625, 1592, 1515, 1382, 1344, 1278,
1217, 1167, 1130, 1058, 975, 846, 767. 1H NMR (400 MHz,
CDCl3, ppm): 1.09 (s, 3H, CH3), 1.18 (s, 3H, CH3), 2.22–
2.61 (m, 4H, 2CH2), 4.65 (d, 1H, J = 4.8 Hz, CH), 5.67 (d,
1H, J = 4.8 Hz, =CH), 7.40–7.42 (m, 3H, ArH), 7.52 (d, 2H,
J = 8.0 Hz, ArH), 7.61–7.62 (m, 2H, ArH), 8.17 (d, 2H, J =
8.0 Hz, ArH). MS (70 eV) m/z (%): 374 (M+, 20.30), 358
(100), 328 (43.31), 253 (96.45), 197 (8.47), 141 (8.47), 105
(7.85), 77 (7.22).
Acknowledgement
This work was financially supported by the National Nat-
ural Science Foundation of China (No. 20372018) and the
Science Foundation of Henan Normal University for Young
Scholars (No. 0307032).
3g: mp 194–196 °C. IR (KBr, cm–1): 3073, 3062, 2960,
2868, 1680, 1662, 1631,1529, 1490, 1380, 1349, 1295,
1
1262, 1214, 1166, 1127, 1091, 1053, 976, 831, 743. H
References
NMR (400 MHz, CDCl3, ppm): 1.11 (s, 3H, CH3), 1.18 (s,
3H, CH3), 2.23–2.66 (m, 4H, 2CH2), 4.65 (d, 1H, J =
4.8 Hz, CH), 5.67 (d, 1H, J = 4.8 Hz, =CH), 7.37 (d, 2H, J =
8.4 Hz, ArH), 7.48 (t, 1H, J = 8.0 Hz, ArH), 7.54 (d, 2H, J =
8.4 Hz, ArH), 7.70 (d, 1H, J = 7.6 Hz, ArH), 8.06 (d, 1H,
J = 8.0 Hz, ArH), 8.17 (s, 1H, ArH). MS (70 eV) m/z (%):
409 (M+, 22.86), 392 (100), 362 (40.00), 287 (85.71), 231
(9.52), 202 (5.71), 175 (9.05), 139 (20.00), 111 (6.67), 83
(4.76).
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3h: mp 202–204 °C. IR (KBr, cm–1): 3073, 3061, 2960,
2874, 1678, 1660, 1629, 1596, 1490, 1381, 1347, 1280,
1213, 1167, 1125, 1054, 977, 854, 755. 1H NMR (400 MHz,
CDCl3, ppm): 1.10 (s, 3H, CH3), 1.18 (s, 3H, CH3), 2.23 –
2.60 (m, 4H, 2CH2), 4.54 (d, 1H, J = 4.8 Hz, CH), 5.89 (d,
1H, J = 4.8 Hz, =CH), 7.25–7.30 (m, 4H, ArH), 7.76 (d, 2H,
J = 8.8 Hz, ArH), 8.25 (d, 2H, J = 8.8 Hz, ArH). MS
(70 eV) m/z (%): 409 (M+, 81.35), 374 (37.71), 358 (100),
329 (69.21), 253 (12.89), 197 (9.24), 141 (9.33) 105 (6.59),
77 (3.91).
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3i: mp 138–140 °C. IR (KBr, cm–1): 3094, 3070, 2953,
2874, 1683, 1658, 1629, 1527, 1494, 1382, 1348, 1318,
949 (1991).
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1
1275, 1217, 1169, 1125, 1056, 976, 874, 761. H NMR
(400 MHz, CDCl3, ppm): 1.11 (s, 3H, CH3), 1.18 (s, 3H,
CH3), 2.23–2.67 (m, 4H, 2CH2), 4.66 (d, 1H, J = 4.8 Hz,
CH), 5.68 (d, 1H, J = 4.8 Hz, =CH), 7.37–7.49 (m, 4H,
ArH), 7.62 (d, 2H, J = 7.6 Hz, ArH), 7.72 (d, 1H, J =
7.6 Hz, ArH), 8.07 (d, 1H, J = 8.4 Hz, ArH), 8.19 (s, 1H,
ArH). MS (70 eV) m/z (%): 374 (M+, 20.48), 358 (100), 328
(43.37), 253 (96.38), 197 (8.43), 141 (8.43), 105 (7.83), 77
(7.23).
3j: mp 84–86 °C. IR (KBr, cm–1): 3051, 3024, 2956,
2871, 1678, 1656, 1627, 1512, 1449, 1380, 1272, 1214,
© 2006 NRC Canada