Antibacterial activity (in μg mL−1) of the synthesized compounds (6a–h).
| Compound | Gram-positive bacteria (MIC) | Gram-negative bacteria (MIC) | ||
|---|---|---|---|---|
| S. aureus MTCC 96 | B. subtilis MTCC 441 | K. planticola MTCC 530 | P. aeruginosa MTCC 2453 | |
| 6a | >125 | >125 | >125 | >125 |
| 6b | 7.8 | 3.9 | 7.8 | 7.8 |
| 6c | >125 | 7.8 | 15.9 | 7.8 |
| 6d | 7.8 | 3.9 | 7.8 | >125 |
| 6e | 1.9 | 3.9 | 3.9 | 3.9 |
| 6f | 3.9 | 7.8 | 7.8 | 3.9 |
| 6g | 7.8 | 7.8 | 3.9 | 7.8 |
| 6h | 1.9 | 1.9 | 3.9 | 1.9 |
| Ciprofloxacin | 0.9 | 0.9 | 0.9 | 0.9 |