| Trials | Method/Solvent | Temperature (˚C) | Time (mins) | Yield (%) |
| T1 | Microwave/Ethanol | 100 | 30 | 80 |
| T2 | Microwave/Ethanol | 100 | 20 | 78 |
| T3 | Microwave/Ethanol | 80 | 30 | 82 |
| T4 | Microwave/Ethanol | 80 | 20 | 84 |