Research Article

Synthesis, Characterization, Antimicrobial, DNA Cleavage, and In Vitro Cytotoxic Studies of Some Metal Complexes of Schiff Base Ligand Derived from Thiazole and Quinoline Moiety

Table 4

Thermal data of Cu(II), Co(II) and Zn(II) complex.

ComplexDecomposition temp. (°C)Weight loss (%)Metal oxide (%)Inference
Obsd.Calc.Obsd.Calc.

[Cu(C20H15N5OS2)(Cl2)]237.611.9612.99Loss due to two chlorine atoms
29111.4112.37Loss due to NCS species
34147.9647.01Loss due to C9H7 molecule of quinoline and C6H6 molecule of thiazole moiety
Up to 49315.9215.65Loss due to remaining organic moiety

[Co(C20H15N5OS2)(Cl2)]2589.6610.86Loss due to NCS species
32022.2221.43Loss due to C8H6 molecule of quinoline moiety
45878.0276.75Loss due to C9H7N2S of thiazole moiety, two chlorine atoms and HC=N–NH group
Up to 69717.1517.56Loss due to remaining organic moiety

[Zn(C20H15N5OS2)(Cl2)]27028.7127.57Loss due C 6 H 7 species of thiazole and two chlorine atoms
32051.5850.58Loss due to C 10 H 6 NS molecule of quinoline and CH=CH molecule of thiazole moiety
Up to 35116.2517.13Loss due to remaining organic moiety