Table 2.
Conversions of cyclohexane and selectivities to products in different solvents
| Solvent | Conversion (%) | Selectivity (%) | |||
|---|---|---|---|---|---|
| KA oila | Acidsb | Estersc | CHHPd | ||
| Without | 3.0 | 94.3 | 0.3 | 0.2 | 5.2 |
| Acetic acid | 6.8 | 97.2 | 1.6 | 0.5 | 0.7 |
| IL | 5.9 | 96.3 | 1.2 | 0.9 | 1.6 |
| Acetonitrile | 4.1 | 95.8 | 1.2 | 1.3 | 1.7 |
Cyclohexane 100 mL, VAlPO4 berlinite catalyst 5 mg, acetic acid solvent 40 mL, O2 pressure 0.1 MPa, 353 K, 4 h
aCyclohexanol and cyclohexanone; b C4–C6 diacids; c synthesized by the reaction of C4–C6 diacids and cyclohexanol; d cyclohexyl hydroperoxide