TABLE 1.
Characteristics of the substrate DHPs (Entry 1), enzymatically acetylated DHPs (Entry 2), and appropriate controls (Entries 3, 4) kept for 48 h under reflux in MEK (10 g/L); molar mass distributions determined aby SEC. Aliphatic and phenolic hydroxyl contents determined bby 31P NMR.
| Entry | Enzyme (% wt) | Acyl donor | Mn a (g/mol) | Mw a (g/mol) | PDIa | [Aliphatic OH]b (mmol/g) | [Phenolic OH]b (mmol/g) |
|---|---|---|---|---|---|---|---|
| 1 | — | — | 1511 | 2731 | 1.81 | 3.32 ± 0.1 | 1.48 ± 0.05 |
| 2 | 10 | Ethyl acetate | 1046 | 3522 | 3.37 | 1.98 ± 0.1 | 1.55 ± 0.07 |
| 3 | 10 | — | 1101 | 2733 | 2.48 | 2.65 ± 0.05 | 1.64 ± 0.01 |
| 4 | 0 | Ethyl acetate | 1109 | 2676 | 2.41 | 2.76 ± 0.02 | 1.64 ± 0.02 |
| 5 | 10 | Ethyl hexanoate | 1906 | 4,658 | 2.79 | 2.91 ± 0.04 | 1.85 ± 0.01 |