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Properties of compounds 4a-4j
 | |||||
|---|---|---|---|---|---|
| Compound | (R) | Yield (%) | mp (°C) | MW (g/mol) | Chemical formula |
| 3 | - | 61 | 105-109 | 259 | C14H17N3O2 |
| 4a | 2-Cl | 23 | 229 | 397 | C21H20N3O3Cl |
| 4b | 3-Cl | 18 | 203 | 397 | C21H20N3O3Cl |
| 4c | 4-Cl | 15 | 229 | 397 | C21H20N3O3Cl |
| 4d | 2-F | 35 | 247 | 381 | C21H20FN3O3 |
| 4e | 3-F | 13 | 243 | 381 | C21H20FN3O3 |
| 4f | 4-F | 52 | 229 | 381 | C21H20FN3O3 |
| 4g | 2-OCH3 | 14 | 211 | 393 | C23H23N3O4 |
| 4h | 3-OCH3 | 30 | 127 | 393 | C23H23N3O4 |
| 4i | 4-OCH3 | 36 | 127 | 393 | C23H23N3O4 |
| 4j | 2-NO2 | 49 | 135 | 408 | C21H23N4O5 |
