Spectral, NLO, Fluorescence, and Biological Activity of Knoevenagel Condensate of 𝛽-Diketone Ligands and Their Metal(II) Complexes

Table 8

Antimicrobial activity of the ligands L1 and L2 and their metal(II) complexes (zone of inhibition in mm**; concentration in 10⁻³  mol/L).

Compound	P. aeruginosa		S. aureus		E. coli		C. albicans
	L1	L2	L1	L2	L1	L2	L1	L2
Ligand (L)	8	10	8	6	8	5	8	8
a-Cu(II) complex	14	16	15	10	9	9	11	11
b-Co(II) complex	11	17	14	16	9	9	11	11
c-Ni(II) complex	8	17	12	14	R	9	10	10
Standard	18		18		18		12

**Its value observed is within the error limits of ±1. R: resistance.