Table 3. Comparison of Activity and Selectivity of Different Catalysts in Phenylacetylene Hydrogenationa.
| entry | catalyst | time (h) | conv. (mol %) | selec. (mol %) | TON | TOF (h–1) | productivity (galkyne· gcat–1· h–1) |
|---|---|---|---|---|---|---|---|
| 1 | Pd/C commercial | 7 | 100 | 47 | 322.0 | 46.0 | 2.1 |
| 2 | PdIn-MOF | 7 | 19 | 84 | 27.4 | 3.9 | 0.85 |
| 3 | PdIn-Q | 7 | 49 | 95 | 85.9 | 12.3 | 4.9 |
| 4 | PdIn-QT | 7 | 61 | 95 | 98.4 | 14.0 | 6.1 |
| 5 | PdIn-QT | 11 | 96 | 93 | 154.8 | 14.1 | 6.0 |
| 6 | PdIn-T | 7 | 47 | 95 | 67.1 | 6.1 | 4.7 |
a
Reaction conditions: 5 mmol of phenylacetylene, substrate/Pd molar ratio: 323/1, 5 mL EtOH, R.T., 1 bar H2, 1000 rpm.