Electrochemical data for chiral photocatalysts 1c–g in DCM. Cyclic voltammetry of photocatalysts (V vs. Ag+/Ag), in dichloromethane (with 0.1 M Bu4NPF6 as electrolyte) on glassy carbon electrode. Concentrations are about 2 × 10−3 mmol mL−1.
| PCat | E 1/2 (1/1˙−, V vs. Ag+/Ag) | E 1/2 (1˙−/12−, V vs. Ag+/Ag) | E 1/2 a (1*/1˙−*, V vs. Ag+/Ag) | E 1/2 a (1˙−*/12−, V vs. Ag+/Ag) |
|---|---|---|---|---|
| 1a | −1.96 | +1.10 | ||
| 1b | −1.10 | −1.48 | +1.70 | +1.32 |
| 1c | −1.09 | −1.53 | +1.71 | +1.27 |
| 1d | −1.70 | +1.17 | ||
| 1e | −1.72b | −2.04 | +1.22 |
Calculated using the relationship E°(Pcat 1*/1˙−) = E1/2 (Pcat 1/1˙−) + E0,0 (Pcat 1*/1) and E0,0 values were estimated spectroscopically from the position of the long wavelength tail of the absorption spectrum (Table S1 in the ESI).
No oxidation peak.