Zone of inhibition measure in mm
  Synthesized compounds Gram positive  Gram negative
Bacillus subtilis Staphylocouccusaureus Klebsiella pneumonia Escherichia coli
100 µg/mL 50 µg/mL 100 µg/mL 50 µg/mL 100 µg/mL 50 µg/mL 100 µg/mL 50 µg/mL
5a 10.5 7.5 10.5 8.0 11.5 9.5 12.0 9.0
5b 12.5 10.0 14.5 10.5 15.0 13.5 16.5 12.5
5c 11.0 9.5 11.5 8.5 12.5 12.0 13.0 11.5
5d 13.0 10.5 15.0 11.5 16.5 14.0 17.0 13.0
5e 10.0 8.0 11.0 9.5 13.0 11.0 13.5 11.0
5f 8.5 6.5 9.0 6.5 10.5 8.0 11.0 8.0
5g 7.0 4.5 7.0 4.5 8.5 6.5 9.0 7.0
5h 11.5 9.0 12.5 11.0 14.5 11.5 15.5 12.0
5i 9.5 7.0 9.5 7.5 12.0 10.0 12.5 10.5
5j 7.5 3.5 8.0 7.0 9.5 7.0 10.5 7.5
5k 6.0 3.0 7.5 5.0 8.0 6.0 9.5 6.0
5l 10.5 8.5 10.0 9.0 13.5 10.5 14.0 11.0
Amoxicillin 15.5 12.5 17.5 13.0 18.0 14.5 19.5 15.5
Control (DMSO)
Table 1: Antibacterial activity of compounds 5a-l.