Table 3.
The influence of the selected parameters on the yield of n-butyl acrylate.
| Amount of CNTs-IL-CALB (g) | AA:n-BuOH Molar Ratio | Temp. (°C) | Yield of n-Butyl Acrylate (%) 1 |
|---|---|---|---|
| 0.020 | 1:2 | 25 | 9 |
| 0.050 | 1:2 | 25 | 21 |
| 0.100 | 1:2 | 25 | 63 |
| 0.150 | 1:2 | 25 | 99 |
| 0.200 | 1:2 | 25 | 90 |
| 0.150 | 1:1 | 25 | 92 |
| 0.150 | 1:4 | 25 | 42 |
| 0.150 | 1:8 | 25 | 23 |
| 0.150 | 1:10 2 | 25 | 17 |
| 0.150 | 1:2 | 15 | 78 |
| 0.150 | 1:2 | 45 | 62 |
1 determined with GC; 2 without solvent; Preparation of CNTs-IL-CALB conditions: 1st step: CNTs 1.0 g, [N(CH3)3GlcOCH3][N(Tf)2] 0.5 g, acetonitrile 25 mL; 2nd step: CNTs-[N(CH3)3GlcOCH3][N(Tf)2] 1.0 g, 7.5 g CALB, water 30 mL; Reaction conditions: AA 0.072 g (1 mmol), cyclohexane 1 mL, 24 h, 25 °C, 250 rpm.