Table 2 Catalytic data characterizing various Au catalysts in the hydrogenation of nitroarenes
From: Single-site catalyst promoters accelerate metal-catalyzed nitroarene hydrogenation
Catalyst | T (K) | Time (h) | Conversion (%) | Selectivitya (%) | N balance closureb (%) | |
|---|---|---|---|---|---|---|
Nitrobenzene reactantc | ||||||
Sn–TiO2 | 373 | 1.5 | —d | — | >99.5 | |
Au/Sn–TiO2-123 | 373 | 1.5 | >99.5 | >99.5 | >99.5 | |
Au/TiO2 | 373 | 1.5 | 28.4 | >99.5 | >99.5 | |
Au/TiO2 | 373 | 10.0 | 80.0 | >99.5 | >99.5 | |
Au/Sn–TiO2-20 | 373 | 1.5 | 29.1 | 98.7 | 99.1 | |
Au/SnO2 | 373 | 10.0 | 52.0 | 99.1 | 99.0 | |
3-Nitrostyrene reactante | ||||||
Au/TiO2 | 353 | 4.0 | 18.9 | 93.9 | >99.5 | |
Au/TiO2 | 353 | 20.0 | 79.0 | 92.5 | 98.9 | |
Au/Sn–TiO2-123 | 353 | 4.0 | 99.0 | 99.3 | >99.5 | |
Au/Sn–TiO2-20 | 353 | 20.0 | 24.2 | 91.2 | >99.5 | |
Au/SnO2 | 353 | 20.0 | 18.0 | 75.1 | >99.5 | |
Pt/TiO2 | 318 | 2.0 | 91.1 | 50.0 | >99.5 | |
Pt/Sn–TiO2-123 | 318 | 2.0 | 98.5 | 97.4 | >99.5 | |
Ru/TiO2 | 383 | 2.0 | 71.4 | 66.6 | >99.5 | |
Ru/Sn–TiO2-123 | 383 | 2.0 | 99.0 | 98.4 | 98.5 | |
Ni/TiO2 | 393 | 4.5 | 5.7 | 51.7 | 98.5 | |
Ni/Sn–TiO2-123 | 393 | 4.5 | 52.0 | 90.1 | 99.2 | |
