Table 2. Catalytic Oxidation of Sugars with H2O2 and FePcS Catalyst at 50 °C.
| yield (mol %) |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| no. | substrate | substrate (mM) | FePcS (μM) | H2O2 (mol equiv) | time (h) | pH before | pH after | conversion (mol %) | FRU | FA |
| 1 | d-glucose | 49 | 0 | 0 | 16 | 10.7 | 10.2 | 15 | 14 | nda |
| 2 | d-glucose | 49 | 0 | –b | 16 | 10.2 | 9.8 | 9 | 3 | 3 |
| 3 | d-glucose | 47 | 28 | 1 | 16 | 10.6 | 9.9 | 39 | 20 | 32 |
| 4 | d-glucose | 47 | 28 | 2 | 16 | 10.5 | 9.8 | 33 | 16 | 34 |
| 5 | d-glucose | 46 | 27 | 3 | 16 | 10.9 | 9.8 | 35 | 14 | 55 |
| 6 | d-glucose | 46 | 37 | 1 | 23 | 9.5 | 9.1 | 19 | 6 | 11 |
| 7 | d-glucose | 47 | 35 | 1 | 23 | 10.5 | 9.9 | 53 | 21 | 44 |
| 8 | d-glucose | 48 | 77 | 2 | 16 | 10.4 | 9.7 | 32 | 15 | 31 |
| 9 | d-glucose | 47 | 115 | 2 | 16 | 10.6 | 9.7 | 36 | 17 | 38 |
| 10 | d-glucose | 48 | 154 | 2 | 16 | 10.5 | 9.8 | 34 | 17 | 29 |
| 11 | α-MGP | 44 | 36 | 1 | 23 | 10.5 | 10.5 | 2 | nd | nd |
| 12 | d-sorbitol | 46 | 36 | 1 | 23 | 10.5 | 10.3 | 4 | nd | 16 |
| 13 | d-cellobiose | 47 | 35 | 1 | 23 | 10.5 | 9.7 | 49 | 46c | 55 |
| 14 | d-cellobiose | 46 | 27 | 1 | 23 | 10.5 | 9.7 | 47 | 25c | 34 |
| 15 | d-cellobiose | 46 | 27 | 2 | 23 | 10.5 | 9.6 | 42 | 31c | 29 |
| 16 | d-cellobiose | 46 | 27 | 3 | 23 | 10.6 | 9.6 | 40 | 37c | 61 |
nd means not detected in HPLC.
1.76 μM H2O2.
Total yield of d-glucose and isomerization products.