Table 3.
Molecular weight of the lipase-catalyzed polyesterifications of 1 and 2.
| Polyester | Monomer | Enzyme | Solvent | Mn | Mw | pd | DP |
|---|---|---|---|---|---|---|---|
| 3 | 1 | Cal-B | Toluene | 814 | 1206 | 1.13 | 2.96 |
| 3 | 1 | RM | Toluene | 771 | 863 | 1.12 | 2.86 |
| 3 | 1 | TL | Toluene | 769 | 857 | 1.13 | 2.97 |
| 4 | 2 | CAL-B | Toluene | 860 | 982 | 1.14 | 3.19 |
| 4 | 2 | CAL-B | Acetonitrile | 653 | 707 | 1.08 | 2.42 |
| 3 | 1 | CAL-B | 2M2B | 565 | 570 | 1.00 | 2.10 |
| 4 | 2 | CAL-B | 2M2B | 605 | 648 | 1.06 | 2.25 |
Reactions were done at 60 °C for 24 h. Number average molecular weight (Mn), Weight average molecular weight (Mw), polydispersity index (pd or Mw/Mn) and degree of polymerization (DP) were calculated with PolyTools 1.0 (Bruker Daltonics).