Cu(II) and Ni(II) Complexes with New Tridentate NNS Thiosemicarbazones: Synthesis, Characterisation, DNA Interaction, and Antibacterial Activity

Table 3

Melting points and elemental analysis of the obtained compounds.

Compound	m.p.	%H	%C	%N	%S	%M
H2L1	206	4.75/4.83	57.12/57.54	25.16/25.81	10.75/11.82	—
H2L2	208	3.87/3.96	50.62/51.06	22.77/22.90	10.12/10.48	—
1	232	3.35/3.73	30.28/30.44	18.88/19.12	6.14/6.25	12.19/12.39
2	240	3.10/2.76	32.03/30.54	20.31/19.17	5.32/6.27	12.56/12.43
3	312	3.28/3.53	35.13/34.59	19.31/20.17	7.90/6.60	12.26/12.07
4	327	2.71/2.48	32.88/31.96	19.50/20.07	6.98/6.56	11.86/12.02

m.p.: melting point (°C); values are %(found/calculated); M: 1–2 (Cu) and 3–4 (Ni).