A list of the synthesized oxadiazole derivatives 4a–o.
| Compound | R1 | R2 | n | Yield (%) |
|---|---|---|---|---|
| 4a | 3-Cyano | 4-Trifluorophenyl | 0 | 83 |
| 4b | 3-Cyano | 2-Trifluromethylbenzyl | 1 | 78 |
| 4c | 2-Fluoro | 2-Trifluromethylbenzyl | 1 | 72 |
| 4d | H | 4-Pyridyl | 0 | 80 |
| 4e | 2,4-Dimethyl | 3-Fluorophenyl | 0 | 73 |
| 4f | 2-Fluoro | 3,5-Difluorobenzyl | 1 | 71 |
| 4g | 2,4-Difluoro | 3,5-Difluorobenzyl | 1 | 82 |
| 4h | 2-Fluoro | 2-Fluoro-5-methylphenyl | 0 | 75 |
| 4i | 2-Fluoro | 4-Trifluoromethylphenyl | 0 | 74 |
| 4j | 3-Cyano | 4-Pyridyl | 0 | 75 |
| 4k | 2,4-Dimethyl | 4-Pyridyl | 0 | 75 |
| 4l | 4-Bromo | 4-Trifluoromethylphenyl | 0 | 74 |
| 4m | 4-Isopropyl | 4-Trifluoromethylphenyl | 0 | 73 |
| 4n | 2-Methyl | Phenyl | 0 | 83 |
| 4o | H | 3-Fluoro-2-methyl | 0 | 81 |