Table 2 Microwave-assisted conversion of commercial cellulose into Butyl levulinate.
Acid | Temperature (°C) | Time (min) | Cellulose conversion (%) | Selectivity (%) |
|---|---|---|---|---|
H2SO4 | 190 | 15 | 58.4 | n.d. |
H2SO4 | 190 | 30 | 95.4 | 58.8 |
H2SO4 | 190 | 60 | 97.9 | 100 |
p-TsA (+ KBr) | 225 | 2 | 40.9 | n.d. |
p-TsA (+ KCl) | 225 | 2 | 90.6 | 26.7 |