Equilibrium constants of 3a/4a and 3b/4b in different solvents at 301 K.
| d-solvent | Dielectric constant (ε) | K eq for 3a/4a | K eq for 3b/4b |
|---|---|---|---|
| CDCl3 | 4.81 | 31.70 ± 0.49 | 22.87 ± 0.46 |
| Acetone-d6 | 20.7 | 56.21 ± 0.13 | 32.05 ± 0.25 |
| CD3CN | 37.5 | 63.38 ± 0.75 | 40.14 ± 0.74 |
| DMSO-d6 | 46.7 | 88.42 ± 0.40 | 38.06 ± 0.57 |