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Variation of the concentration of glycerol (1) and K2CO3 for the O-methylation of glycerol (1) in subcritical methanol.
 | |||
|---|---|---|---|
| Entry | Glycerol (g) | K2CO3 (mol%) | Yield of 2 (%) |
| 1 | 1 | 66.3 | 11 |
| 2 | 2 | 33.2 | 20 |
| 3 | 3 | 22.10 | 30 |
| 4 | 4 | 16.6 | 39 |
| 5 | 5 | 13.3 | 32 |
| 6 | 6 | 11.0 | 29 |
| 7 | 4 | 8.3 | 33 |
| 8 | 4 | 33.4 | 25 |
| 9 | 1 | 16.5 | 19 |
| 10 | 1 | 66.0 | 37 |
| 11 | 8 | 16.7 | 36 |
| 12 | 16 | 16.6 | 23 |
| 13* | 4 | 2 × 16.6 | 44 |
Addition of the second amount of K2CO3 (16.6 mol%) after 15 h for a total reaction time of 30 h.
