Table 1.
UV-visible spectral DNA-binding parameters for all substances.
| Compounds | λ max (nm) | Δλ nm (% H) | K b × 104 M−1 | ∆Gb° (kJ·mol−1) | ||||
|---|---|---|---|---|---|---|---|---|
| Free (bound) | WS-I | BH-I | SK-I | WS-I | BH-I | SK-I | ||
| (WS-II) | (BH-II) | (SK-II) | (WS-II) | (BH-II) | (SK-II) | |||
| (HL) | 336 (340) | 04 (37.13) | 1.5169 (1.5480) | 0.6000 (1.9515) | 0.8775 (1.7216) | −23.85 (−23.90) | −21.55 (−24.48) | −22.50 (−24.18) |
| (1a) | 336 (343) | 07 (52.18) | 1.9000 (2.1886) | 3.6777 (2.4500) | 1.7093 (2.6303) | −24.114 (−24.76) | −26.04 (−25.04) | −24.15 (−25.22) |
| (2a) | 337 (342) | 05 (43.15) | 1.8287 (1.7209) | 2.2115 (2.2605) | 1.4286 (2.0118) | −24.315 (−24.16) | −24.79 (−24.84) | −23.70 (−24.55) |