Trials | Method/Solvent | Temperature (˚C) | Time (mins) | Yield (%) |
T1 | Microwave/Ethanol | 100 | 30 | 86 |
T2 | Microwave/Ethanol | 100 | 20 | 81.6 |
T3 | Microwave/Ethanol | 80 | 30 | 83.3 |
T4 | Microwave/Ethanol | 80 | 20 | 89 |