Table 6.
Redox potential patterns for the interaction of DNA with ligand (HL) and its complexes (1a-2a).
| Compounds | ΔEP (V) | E° (or) E1/2 (V) | K [red]/K[oxi] | I pa/Ipc | D 0 × 10−5 cm2·s−1 | K b × 104 M−1 (methods) | S (bp) | ||
|---|---|---|---|---|---|---|---|---|---|
| Free (bound) | Free (bound) | Found (I) (Calcd) | Free (bound) | Free (bound) | I red (oxi) | II | III | ||
| (HL) | 0.7420 (0.8890) | 0.3490 (0.3680) | 0.7214 (2.0964) | 1.4295 (1.3424) | 2.8570 (2.5809) | 0.3809 (0.528) | 0.2443 | 0.4837 | 0.452 |
| (1a) | 0.4352 (0.2807) | 0.7054 (0.7398) | 0.8628 (3.76) | 1.2653 (0.2031) | 4.9799 (4.3266) | 2.1854 (2.533) | 7.0773 | 2.1567 | 0.123 |
| (2a) | 0.4819 (0.2965) | 0.5406 (0.5719) | 0.8268 (3.34) | 1.8999 (0.5000) | 3.9665 (3.6257) | 2.0348 (2.461) | 2.7693 | 1.8486 | 0.270 |