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Journal of Chemistry
/
2020
/
Article
/
Tab 3
/
Research Article
Synthesis, Characterization, Cyclic Voltammetry, and Biological Studies of Co(II), Ni(II), and Cu(II) Complexes of a Tridentate Schiff Base, 1-((E)-(2-Mercaptophenylimino) Methyl) Naphthalen-2-ol (H
2
L
1
)
Table 3
1
H-NMR data of ligand and its complexes.
Compounds
δ
(O-H)
δ
(N=C-H)
δ
(S-H)
δ
(Ar-H)
δ
(H2O)
H
2
L
1
15.01 ppm (s, 1H)
9.78 ppm (s, 1H)
3.35 ppm (s, 1H)
7.89–7.02 (m, 10H)
—
CuL
1
—
8.09 ppm (s, 1H)
—
7.25–6.45 (m, 10H)
—
CoL
1
—
8.36 ppm (s, 1H)
—
7.59–6.69 (m, 10H)
3.34 ppm (s, 2H)
NiL
1
—
8.31 ppm (s, 1H)
—
7.78–6.69 (m, 10H)
—