Table 2.
A tabular representation is presented herein elucidating the optimization of both solvent and visible light in the synthesis of 4f.
 | ||||
|---|---|---|---|---|
| Entry | Light source | Solvent (3 mL) | Time (min) | Isolated yields (%) |
| 1 | Blue light (7 W) | EtOH | 5 | 93 |
| 2 | Green light (7 W) | EtOH | 5 | 87 |
| 3 | White light (7 W) | EtOH | 5 | 85 |
| 4 | – | EtOH | 30 | Trace |
| 5 | Blue light (3 W) | EtOH | 5 | 86 |
| 6 | Blue light (10 W) | EtOH | 5 | 93 |
| 7 | Blue light (7 W) | Toluene | 30 | 18 |
| 8 | Blue light (7 W) | CH2Cl2 | 20 | 34 |
| 9 | Blue light (7 W) | DMSO | 30 | 25 |
| 10 | Blue light (7 W) | – | 7 | 42 |
| 11 | Blue light (7 W) | EtOAc | 5 | 64 |
| 12 | Blue light (7 W) | Ethyl lactate | 5 | 47 |
| 13 | Blue light (7 W) | THF | 25 | 31 |
| 14 | Blue light (7 W) | MeOH | 5 | 58 |
| 15 | Blue light (7 W) | CH3CN | 5 | 76 |
| 16 | Blue light (7 W) | DMF | 25 | 28 |
Reaction conditions: in the experimental procedure, a quantity of CsPbBr3 (1 mol%) coalesced with 1.0 mmol of benzaldehyde, 1.0 mmol of ethyl acetoacetate, and 1.5 mmol of urea.