Synthesis, Characterization, Antimicrobial, DNA Cleavage, and Antioxidant Studies of Some Metal Complexes Derived from Schiff Base Containing Indole and Quinoline Moieties

Table 1

Physical, analytical, magnetic susceptibility, and molar conductance data of ligand HL and its complexes.

Compounds	Molecular formula	Mol. Wt.	M.P (°C) (Yield in %)	Elemental analysis (%) Calcd (Found)					Mag. moment µeff (B.M)	Molar cond (µM) ohm^−1 cm^2 mol^−1	Colour
				M	C	H	N	Cl
HL	C25H17O2N4Cl	440	314 (65)	—	68.10 (68.25)	3.85 (3.91)	12.71 (12.89)	8.05 (8.12)	—	—	Yellow
Cu complex	[Cu(C50H32O4N8Cl2)]H2O	959.54	>340 (70)	6.61 (6.71)	62.46 (62.59)	3.53 (3.32)	11.66 (11.74)	7.39 (7.21)	1.79	31	Green
Co complex	[Co(C50H32O4N8Cl2)]H2O	954.93	>340 (77)	6.16 (6.26)	62.76 (62.92)	3.55 (3.82)	11.71 (11.86)	7.42 (7.62)	5.01	24	Brown
Ni complex	[Ni(C50H32O4N8Cl2)]H2O	954.69	>340 (79)	6.14 (6.19)	62.78 (62.92)	3.55 (3.69)	11.71 (11.91)	7.42 (7.59)	2.90	27	Brown
Zn complex	[Zn(C25H16O2N4Cl) (Cl)]H2O	557.40	>340 (69)	11.71 (11.62)	53.72 (53.99)	3.22 (3.35)	10.02 (10.19)	12.71 (12.89)	—	49	Light yellow
Cd complex	[Cd(C25H16O2N4Cl) (Cl)]H2O	604.41	>340 (71)	18.56 (18.65)	49.55 (49.71)	2.97 (2.81)	9.24 (9.35)	11.72 (11.90)	—	60	Pale yellow
Hg complex	[Hg(C25H16O2N4Cl) (Cl)]	674.59	330 (68)	29.69 (29.75)	44.40 (44.61)	2.36 (2.42)	8.28 (8.36)	10.50 (10.66)	—	50	Light Yellow

HL = ligand.