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Values (in s–1) of the first-order rate constants (k1 and k2) determined from the changes in the spectra of solutions of compounds 1 and 2 over time upon 1050–430 nm irradiation [complex] = 50 µM, T = 25 °C
| Solvent | Complex 1 | Complex 2 | ||
|---|---|---|---|---|
| k1 (s–1) | k2 (s–1) | k1 (s–1) | k2 (s–1) | |
| Water | 3.5 × 10–4 | 1.2 × 10–4 | 4.3 × 10–4 | 9.4 × 10–5 |
| Acetonitrile | 7.7 × 10–2 | 3.5 × 10–4 | 5.0 × 10–2 | 8.0 × 10–4 |
