Synthesis and Spectral Studies of Copper (II) and Manganese (II) Complexes Using 2-Hydroxybenzyl-(pyridine-2-carbo)Iminohydrazone and 2-Furyl(pyridine-2-carbo)Iminohydrazone: Evaluation of Their Magnetic, and Antimicrobial Properties

Table 2

Antimicrobial activity of hydrazones ligand and their metal complexes.

Compounds	Time hrs	Diameter of zone of inhibition (mm)
		S. aureus MTCC 3160		S. aureus MTCC 25923		C. albican MTCC 227		S. cereviscae MTCC 361
		100 μg	50 μg	100 μg	50 μg	100 μg	50 μg	100 μg	50 μg
HPBH	24	40	41	41	42	23	12	13	15
	48	42	45	43	43	25	15	15	18
FPFH	24	—	—	32	33	23	11	—	—
	48	—	—	34	35	20	21	—	—
1	24	10	12	13	16	19	17	19	18
	48	11	14	14	19	11	10	12	19
2	24	19	18	20	28	25	27	21	18
	48	—	—	—	—	11	29	12	19
3	24	—	—	—	—	13	10	12	10
	48	14	10	13	12	14	13	14	11
Gentamycin	24	32	34	32	34	—	—	—	—
	48	32	34	32	34	—	—	—	—
Amphotericin-B	24	—	—	—	—	17	21	17	21
	48	—	—	—	—	17	21	17	21