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

Table 1

Elemental analysis, molar conductance, and magnetic susceptibility data of ligands L1 and L2 and their metal(II) complexes.

Compound	m.p	Calculated (Found), %			ΛM	μ eff
	(°C)	M	C	H	(S cm^2 M^−1)	(BM)
L1	132	—	76.5 (76.4)	6.38 (6.36)	—	—
[CuL1Cl2·2H2O]L1a	160–162	17.6 (17.4)	40.2 (40.0)	3.35 (3.31)	10	1.95
[CoL1Cl2·2H2O]L1b	154–157	16.5 (16.4)	40.7 (40.2)	3.39 (3.35)	9	4.71
[NiL1Cl2·2H2O]L1c	171–172	16.4 (16.2)	40.5 (40.0)	3.38 (3.35)	15	3.21
L2	126	—	78.5 (78.3)	6.54 (6.50)	—	—
[CuL2Cl2]L2a	156–158	16.4 (16.1)	43.7 (43.5)	4.68 (4.66)	18	1.79
[CoL2Cl2]L2b	149–151	17.1 (16.8)	48.9 (48.6)	4.07 (4.05)	14	1.85
[NiL2Cl2]L2c	163–165	17.0 (16.7)	48.8 (48.4)	4.05 (4.03)	12	—