Research Article
Synthesis, Structural Characterization, and Electrochemical Studies of New Oxovanadium(V) Complexes Derived from 2-Furanoylhydrazon Derivatives
Table 6
1H NMR of ligands (H2L1–H2L5) and complexes (1–5).
| | Compound | Solvent | –CH=N– (azomethine) | –NH– | –OH(phenol) | –OH(methanol) | –CH3 |
| | H2L1 | (CD3)2SO | 8.66 | 12.30 | 11.31 | — | — | | H2L1 | (CD3)2SO + D2O | 8.58 | — | — | — | — | | Complex 1 | (CD3)2SO | 9.76 | — | — | 5.27 | 3.15 |
| | H2L2 | (CD3)2SO | 8.61 | 12.33 | 11.13 | — | — | | H2L2 | (CD3)2SO + D2O | 8.57 | — | — | — | — | | Complex 2 | (CD3)2SO | 8.83 | — | — | 5.27 | 3.15 |
| | H2L3 | (CD3)2SO | 8.67 | 12.25 | 10.69 | — | — | | H2L3 | (CD3)2SO + D2O | 8.58 | — | — | — | — | | Complex 3 | (CD3)2SO | 8.78 | — | — | 5.30 | 3.14 |
| | H2L4 | (CD3)2SO | 8.66 | 12.22 | 12.22 | — | — | | H2L4 | (CD3)2SO + D2O | 8.59 | — | — | — | — | | Complex 4 | (CD3)2SO | 8.99 | — | — | 5.41 | 3.14 |
| | H2L5 | (CD3)2SO | 8.57 | 12.16 | 11.15 | — | — | | H2L5 | (CD3)2SO + D2O | 8.85 | — | — | — | — | | Complex 5 | (CD3)2SO | 8.76 | — | — | 5.30 | 3.15 |
|
|
