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Comparison of reaction kinetics of conventional and ultrasonic irradiation methods for the synthesized compounds 6a–o.
| Entry | Conventional | Ultrasonic Irradiation | ||
|---|---|---|---|---|
| Time (h) | Yield (%) | Time (h) | Yield (%) | |
| 6a | 15 | 68 | 1.5 | 80 |
| 6b | 16 | 63 | 1.0 | 81 |
| 6c | 15 | 62 | 1.5 | 78 |
| 6d | 17 | 58 | 2.0 | 79 |
| 6e | 18 | 45 | 1.0 | 81 |
| 6f | 18 | 56 | 1.0 | 79 |
| 6g | 19 | 57 | 2.0 | 81 |
| 6h | 17 | 61 | 1.5 | 90 |
| 6i | 18 | 53 | 1.0 | 82 |
| 6j | 17 | 63 | 1.5 | 85 |
| 6k | 15 | 58 | 1.5 | 80 |
| 6l | 17 | 57 | 1.0 | 81 |
| 6m | 15 | 61 | 2.0 | 79 |
| 6n | 16 | 58 | 2.0 | 79 |
| 6o | 15 | 45 | 2.0 | 78 |
