Table 3.
Results for Sn-catalyzed glucose reactions in water under acidic conditions at 413 K
Yield (wt/wt%) | ||||||||
Entry | Feed solution | Catalyst | Time (min) | Starch | Glucose | Fructose | Mannose | HMF |
1a | 10 wt% Starch | HCl (pH = 1) | 90 | 13 | 87 | 0 | 0 | 0 |
1b | Postreaction mixture of entry 1a | Sn-Beta+HCl (pH = 1) | 12 | 13 | 39 | 23 | 7 | 0 |
2 | 10 wt% Glucose | HCl (pH = 1) | 120 | - | 91 | 0 | 0 | 1 |
3 | 10 wt% Fructose | HCl (pH = 1) | 120 | - | 0 | 15 | 0 | 24 |
4 | 10 wt% Glucose | Sn-Beta+HCl (pH = 1) | 120 | - | 28 | 18 | 2 | 11 |
For entries 1b and 4, a 1∶50 Sn:glucose molar ratio was used.