Research Article
Microwave-Assisted Synthesis of Some Quinoxaline-Incorporated Schiff Bases and Their Biological Evaluation
Table 1
Characterization data of compounds 4(a–j).
| Comd | Ar | M.P (°C) | Conventional | | Microwave | | | | | Time(hr) | Yield (%) | Time (min) | Yield (%) |
| 4a | C6H5 | 278 | 6 | 75 | 7 | 90 | 4b | 4-Cl-C6H4 | 260 | 5 | 69 | 6 | 80 | 4c | 3-NO2-C6H4 | 289 | 7 | 80 | 7 | 92 | 4d | 4-OH-C6H4 | 246 | 6 | 65 | 7 | 81 | 4e | 3,4-(OCH3)2-C6H3 | 240 | 6 | 76 | 8 | 85 | 4f | 4-OCH3-C6H4 | 281 | 7 | 72 | 7 | 89 | 4g | 4-N(CH3)2-C6H4 | 274 | 6 | 66 | 6 | 83 | 4h | 3-indolyl | 256 | 7 | 60 | 7 | 82 | 4i | 2-furyl | 295 | 5 | 68 | 6 | 84 | 4j | 5-(4-nitrophenyl)-2-furfuryl | 232 | 6 | 74 | 8 | 91 |
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