Bioinorganic Chemistry and Applications

Research Article

Synthesis, Spectroscopic Characterization, and Biological Evaluation Studies of 5-Bromo-3-(((hydroxy-2-methylquinolin-7-yl)methylene)hydrazono)indolin-2-one and Its Metal (II) Complexes

Table 2

Physical and analytical data of the ligand (BHMQMHI) and its metal (II) complexes.


Compound	Molecular formula	Yield (%)	Found (calculated) %					m ( cm² mol⁻¹)	(BM)
Compound	Molecular formula	Yield (%)	C	H	N	M	Cl	m ( cm² mol⁻¹)	(BM)

Ligand	[C₁₉H₁₃N₄O₂Br]	81	55.76 (55.54)	3.20 (3.16)	13.69 (13.53)	—	—	—	—
Co(II) complex	[Co(C₃₈H₂₄N₈O₄Br₂)]	79	52.14 (52.01)	2.76 (2.68)	12.80 (12.78)	6.73 (6.68)	—	27.23	4.88
Ni(II) complex	[Ni(C₃₈H₂₄N₈O₄Br₂)]	70	52.15 (52.08)	2.76 (2.63)	12.80 (12.76)	6.70 (6.63)	—	20.43	3.00
Cu(II) complex	[Cu(C₃₈H₂₄N₈O₄Br₂)]	65	51.86 (51.78)	2.75 (2.68)	12.73 (12.63)	7.22 (7.12)	—	18.45	1.94
Zn(II) complex	[Zn(C₁₉H₁₂N₄O₂Br)Cl]	80	44.83 (44.77)	2.38 (2.28)	11.01 (10.08)	12.84 (12.70)	6.96 (6.76)	22.81	—
Cd(II) complex	[Cd(C₁₉H₁₂N₄O₂Br)Cl]	77	41.04 (39.93)	2.18 (2.00)	10.08 (9.93)	20.21 (20.19)	6.37 (6.26)	23.76	—
Hg(II) complex	[Hg(C₁₉H₁₂N₄O₂Br)Cl]	66	35.42 (34.54)	1.88 (1.78)	8.70 (8.65)	—	—	29.76	—