Table 2. Binding Properties of Vanillin-Isatin Hybrids with the MARK4.
| S. No. | Code | Ka (M–1) | n | KSV (M–1) |
|---|---|---|---|---|
| 1 | VI-1 | 5.6 × 106 | 1.241 | 3.9 × 105 |
| 2 | VI-2 | 1.38 × 106 | 1.145 | 3.7 × 105 |
| 3 | VI-3 | 2.25 × 107 | 1.367 | 3.8 × 105 |
| 4 | VI-4 | 8.96 × 105 | 1.141 | 1.8 × 105 |
| 5 | VI-5 | 2.5 × 104 | 0.8404 | 1.0 × 105 |
| 6 | VI-6 | 6.38 × 105 | 1.135 | 1.4 × 105 |
| 7 | VI-7 | 3.32 × 105 | 1.067 | 1.7 × 105 |
| 8 | VI-8 | 1.31 × 104 | 0.8606 | 0.6 × 105 |
| 9 | VI-9 | 1.48 × 105 | 1.047 | 1.0 × 105 |
| 10 | VI-10 | 7.9 × 104 | 1.006 | 0.8 × 105 |
| 11 | VI-11 | 1.56 × 105 | 1.015 | 1.4 × 105 |
| 12 | VI-13 | 2.67 × 107 | 1.517 | 0.8 × 105 |
| 13 | VI-14 | 1.36 × 106 | 1.199 | 1.8 × 105 |