Table 1 Antibacterial activity of compounds 8a–k (concentration used 250 μg/mL of DMSO)
Compound no. | Zones of inhibition of compounds 8a–k in mm | |||
|---|---|---|---|---|
Gram negative | Gram positive | |||
E. coli MTCC 443 | P. aeruginosa MTCC 424 | S. aureus MTCC 96 | S. pyogenes MTCC 442 | |
8a | 25 | 19 | 24 | 17 |
8b | 27 | 20 | 23 | 18 |
8c | 26 | 19 | 23 | 17 |
8d | 33 | 24 | 29 | 24 |
8e | 30 | 25 | 30 | 22 |
8f | 30 | 23 | 31 | 22 |
8g | 20 | 16 | 19 | 13 |
8h | 21 | 15 | 19 | 14 |
8i | – | – | – | – |
8j | – | – | – | – |
8k | – | – | – | – |
Standard drug: Norfloxacin | 29 | 23 | 28 | 21 |