Shiff base Bacteria
Gram negative Gram positive
B. subtilis S. aureus E.coli S. typhi
VI 17mm 18mm 15mm 18mm
VII 18mm 16mm 16mm 19mm
VIII 18mm 15mm 12mm 17mm
Control 00mm 00mm 00mm 00mm
Ciprofloxacin 20mm 20mm 20mm 20mm
Table 4: Effect of new macrocyclichydrazone (VI, VII,VIII) on the growth of tested bacteria (conc.200 μg/ml).