Table 1 Performance of manganese oxides with different amount of HAc modifiers in ammoxidation of 4-hydroxymethylbenzaldehyde
From: Carboxylic acid-modified metal oxide catalyst for selectivity-tunable aerobic ammoxidation
Entry | HAc/MnO x (mol%) | Conv. (%) | Select. (%) | |
|---|---|---|---|---|
2 | 3 | |||
1a | 0 | >99 | 0 | 81 ± 1 |
2 | 6 | >99 | 12 ± 3 | 66 ± 1 |
3 | 12 | >99 | 45 ± 1 | 41 ± 3 |
4 | 30 | >99 | 71 ± 2 | 25 ± 2 |
5 | 120 | >99 | 91 ± 1 | 2 ± 1 |
6 | 300 | >99 | 92 ± 1 | 1 ± 0.4 |
