Table 3 Screening the model reaction in the presence of reported known catalysts.
Entry | Catalyst | Catalyst amount (mg) | Time (min) | Yield (%) |
|---|---|---|---|---|
1 | L-Proline | 20 | 50 | 37 |
2 | Basu | 20 | 180 | 67 |
3 | Piperidine | 20 | 120 | 27 |
4 | Triethylamine | 20 | 160 | 27 |
5 | p-TSA | 20 | 45 | 53 |
6 | Zr-UiO-66-PDC | 20 | 50 | 63 |
7 | UiO-66-NH2 | 20 | 35 | 42 |
