Research Article
Synthesis, Characterization, and BSA-Binding Studies of Novel Sulfonated Zinc-Triazine Complexes
Table 2
Selected 1H NMR chemical shifts (ppm) of ferene, ferrozine, and complexes 1–4.
| | Proton no. | H6 (d) | H5 (t) | H4 (t) | H3 (d) |
| | Ferene | 8.74 | 7.67 | 8.10 | 8.54 | | Ferrozine | 9.15 | 8.27 | 8.81 | 9.05 | | Complex 1 | 8.87 | 7.87 | 8.28 | 8.79 | | Complex 2 | 8.86 | 7.84 | 8.27 | 8.76 | | Complex 3 | 8.92 | 7.98 | 8.47 | 8.89 | | Complex 4 | 9.05 | 8.21 | 8.67 | 8.99 | | ∆δ (ppm) of complex 1 | (+) 0.13 | (+) 0.20 | (+) 0.18 | (+) 0.25 | | ∆δ (ppm) of complex 2 | (+) 0.12 | (+) 0.17 | (+) 0.17 | (+) 0.22 | | ∆δ (ppm) of complex 3 | (−) 0.23 | (−) 0.29 | (−) 0.34 | (−) 0.16 | | ∆δ (ppm) of complex 4 | (−) 0.10 | (−) 0.06 | (−) 0.14 | (−) 0.06 |
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