Table 5. Optimization of 4-NP Reduction (2.5 × 10–3 M) Using Pdx/CLS Nanocomposites and NaBH4 at Ambient Temperature.
| entry | catalyst (mg) | NaBH4 (equiv) | time (min) |
|---|---|---|---|
| 1 | 100 | 170a | |
| 2 | CLS (7.0) | 100 | 14:51 |
| 3 | Pd15/CLS (5.0) | 100 | 2:55 |
| 4 | Pd15/CLS (7.0) | 79 | 4:30 |
| 5 | Pd15/CLS (7.0) | 100 | 2:30 |
| 6 | Pd100/CLS (5.0) | 0.0 | 50b |
| 7 | Pd100/CLS (5.0) | 50 | 3:5 |
| 8 | Pd100/CLS (5.0) | 79 | 2:20 |
| 9 | Pd100/CLS (5.0) | 100 | 2:5 |
| 10 | Pd100/CLS (7.0) | 50 | 1:23 |
| 11 | Pd100/CLS (7.0) | 79 | 1:15 |
| 12 | Pd100/CLS (7.0) | 100 | 1 |
No reaction.
Not complete.