| Compd. | Feature | m.p./˚C | Yield*(%) | LRMS (EI, 70 eV), m/z (%) | HRMS (ESI) [M+H]+(calcd.), m/z | IR (KBr) ν/cm−1 |
| 4a,5a | Yellow solid | 278.6 | 93 | 249 (18), 247 (10), 220 (100), 105(53) | 249.1033 (249.1023) | 3257, 1625, 1464, 1298, 1288, 1171, 909, 759, 686 |
| 4a,5a | Yellow solid | 278.6 | 93 | 249 (18), 247 (10), 220 (100), 105 (53) | 249.1033 (249.1023) | 3257, 1625, 1464, 1298, 1288, 1171, 909, 759, 686 |
| 4b,5b | Yellow solid | 184.6 | 73 | 276 (96), 248 (100), 130 (10), 119 (75) | 277.1341 (277.1335) | 3274, 1618, 1455, 1374, 1291, 1271, 1169, 906, 769, 702 |
| 4c,5c | Yellow solid | 187.4 | 80 | 309 (17), 308 (78), 265 (28), 135 (100) | 309.1243 (309.1234) | 3263, 1611, 1599, 1450, 1288, 1247, 1160, 1029, 905, 831, 775, 657 |
| 4d,5d | Yellow solid | 113.0 | 83 | 285 (17), 284 (100), 135 (74), 95 (51) | 285.0831 (285.0834) | 3248, 1627, 1469, 1385, 1310, 1289, 1264, 1245, 1170, 1040, 940, 868, 761, 680 |
| 4e,5e | Yellow solid | 171.0 | 58 | 318 (50), 316 (77), 207 (53), 139 (100) | 317.0257 (317.0243) | 3269, 2921, 2847, 1614, 1584, 1469, 1451, 1292, 1168, 1100, 1015, 904, 835, 771 |
| 4f,5f | Brown solid | 257.9 | 69 | 408 (48), 406 (100), 380 (39), 157 (67) | 404.9243 (404.9233) | 3257, 2914, 1679, 1580, 1451, 1320, 1169, 1071, 1022, 1012, 903, 832, 770, 713, 665 |
| 4g,5g | Brown solid | 272.3 | 65 | 298 (66), 270 (100), 130 (72), 102 (84) | 299.0944 (299.0928) | 3280, 2217, 1635, 1607, 1464, 1320, 1301, 1177, 1146, 914, 768, 681 |
| 4h,5h | Yellow solid | 200.6 | 52 | 385 (16), 384 (78), 356 (100), 173 (42) | 385.0769 (385.0770) | 3274, 1632, 1615, 1478, 1328, 1292, 1169, 1112, 1065, 1014, 910, 785, 682 |