Control experiments for photocatalytic alcohol oxidation.
| |||
|---|---|---|---|
| Entry | Deviations | Conversionb | Yieldb |
| 1 | None | 100% | 94% |
| 2 | No light | 0% | 0% |
| 3 | No 1a | 0% | 0% |
| 4 | No Co(acac)2 | 54% | 53% |
| 5 | No light, no Co(acac)2 | 0% | 0% |
| 6 | Under Ar | 5% | 5% |
| 7 | Under Ar, no light | 1% | 0% |
| 8 | Under Ar, no Co(acac)2, 5 mol% 1a | 5% | 5% |
| 9 | Under Ar, no Co(acac)2, 10 mol% 1a | 8% | 7% |
| 10 | Under Ar, no Co(acac)2, no light, 10% 1a | 0% | 0% |
2 mmol scale in 10 mL acetone, ambient air, with one 25 W 400–410 nm LEDs lamp.
1H NMR yield with 1,3,5-trimethoxybenzene as internal standard.