Table 1 Electronic spectral data*of the isatinic hydrazone in various solvents
From: Transition metal complexes of an isatinic quinolyl hydrazone
Solvent | DMSO | DMF | 2-Propanol | MeOH | EtOH | Acetone | Dioxane | THF | Ethyl ether | Benzene | Ethyl acetate |
|---|---|---|---|---|---|---|---|---|---|---|---|
λ1 | 264 | 267 | 240 | 206 | 205 | ---- | 228 | 248 | 227 | 275 | 265 |
ε1 | 17000 | 13700 | 12250 | 53800 | 64250 | ---- | 27980 | 19780 | 30890 | 8750 | 15590 |
λ2 | 390 | 389 | 386 | 384 | 384 | 396 | 401 | 390 | 391 | 397 | 388 |
ε2 | 23630 | 21300 | 18650 | 21700 | 25750 | ---- | 23660 | 22860 | 23700 | 30500 | 26000 |
λ3 | 472 | 468 | 474 | 475 | 476 | 470 | 475 | 475 | 472 | ---- | 472 |
ε3 | ---- | 18060 | 23520 | 19850 | 18170 | 21480 | 28000 | 15000 | 17500 | ---- | ---- |