Table 3. Alternating copolymerization of epoxides and isolated cyclic anhydrides.
| Entry | Complex | Anhydride | Epoxide | [PPNCl]/[M] | [A]/[E] | Temperature (°C) | Time (h) | Yield* (%) | Mn† (g mol−1) | PDI† |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | SA | PO | 1 | 13.5 | 30 | 8.5 | 88 | 6300 | 1.1 |
| 2 |
1 |
GA |
PO |
1 |
13.5 |
30 |
6.5 |
72 |
4400 |
1.6 |
Abbreviation: GA, glutaric anhydride.
All reactions performed with [anhydride]/[M]=100.
*As determined by the integration of 1H NMR.
†Mn and PDI (Mw/Mn) of the polymer determined by SEC-RI in tetrahydrofuran at room temperature using polystyrene standards.