Co(II) and Cd(II) Complexes Derived from Heterocyclic Schiff-Bases: Synthesis, Structural Characterisation, and Biological Activity

Table 4

Antibacterial activities of the synthesised Schiff-bases and metal complexes.

Compounds	Bacillus (G+)		E. coli (G−)
L^1		++		+++
[Co^II (L^1)2]Cl2		+		+
[Cd^II (L^1)2]Cl2		−		+
L^2		+		++
[Co^II (L^2)2]Cl2		+		−
[Cd^II (L^2)2]Cl2		−		−

−: No inhibition = inactive, ⁺: (2–4) mm = active, ⁺⁺: (5–7) mm = more active, ⁺⁺⁺: (8–13) mm = highly active.