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

Table 1

Colours, yields, elemental analyses and molar conductance values.

Compound	Colour	Yield (%)	m.p	Found (Calc.) (%)					ΛM (cm^2 Ω^−1 mol^−1)
				M	C	H	N	Cl
L^1	Pale-yellow	54	183	—	58.97 (60.00)	4.47 (4.65)	10.39 (10.76)	—	—
[Co^II (L^1)2]Cl2	Pale-green	55	216	8.12 (9.06)	47.49 (48.02)	3.48 (3.72)	8.21 (8.62)	9.55 (10.90)	70.2
[Cd^II (L^1)2]Cl2	Yellow	46	288	14.20 (15.97)	43.78 (44.37)	3.19 (3.44)	7.77 (7.96)	9.12 (10.07)	71.4
L^2	Orange-yellow	65	170	—	55.76 (56.51)	4.08 (4.38)	9.85 (10.14)	—	—
[Co^II (L^2)2]Cl2	Light-orange	57	196	8.10 (8.64)	45.13 (45.76)	3.27 (3.54)	7.84 (8.21)	8.89 (10.39)	78.1
[Cd^II (L^2)2]Cl2	Deep-yellow	43	270	14.04 (15.27)	42.09 (42.43)	3.12 (3.29)	7.28 (7.61)	8.54 (9.63)	75.3