Table 1.
A photocatalyst optimization table is made available to facilitate the production of 4f in an effective manner.
 | ||||
|---|---|---|---|---|
| Entry | Photocatalyst | Solvent (3 mL) | Time (min) | Isolated yields (%) |
| 1 | CsPbBr3 (0.5 mol%) | EtOH | 5 | 81 |
| 2 | CsPbBr3 (1 mol%) | EtOH | 5 | 93 |
| 3 | CsPbBr3 (1.5 mol%) | EtOH | 5 | 94 |
| 4 | – | EtOH | 30 | Trace |
| 5 | PbBr2 (1 mol%) | EtOH | 5 | 65 |
| 6 | CsBr (1 mol%) | EtOH | 5 | 32 |
| 7 | MAPbBr3 (1 mol%) | EtOH | 5 | 45 |
| 8 | MAPbI3 (1 mol%) | EtOH | 5 | 39 |
| 9 | Cs3Bi2Br9 (1 mol%) | EtOH | 5 | 57 |
Reaction conditions: in the experimental protocol, a mixture consisting of benzaldehyde (1.0 mmol), ethyl acetoacetate (1.0 mmol), and urea (1.5 mmol), was subjected to photoreaction utilizing multiple photocatalysts.