Synthesis and OROP of new monomersa.
| Monomer synthesis | Polymerizations | |||||||
|---|---|---|---|---|---|---|---|---|
| Monomer | Yieldb (%) | Solvent | [M] (M) | [I] (M) | [C] (M) | DP | M n (kDa) | Đ |
| 1 | 60 | PhMe | 1.0 | 0.015 | 0.05 | 65 | 14.5 | 1.12 |
| 2 | 29 | PhMe | 4.7 | 0.05 | 0.26 | 49 | 6.9 | 1.36 |
| 3 | 73 | PhMe | 2.3 | 0.024 | 0.8 | 75 | 18.9 | 1.10 |
| 4 | 76 | DCM | 1.0 | 0.05 | 0.025 | 74 | 2.0 | 1.22 |
a
M = monomer, I = initiator (1-pyrenebutanol), and C = catalyst (1 : 1 TU/DBU). DP was determined by 1H NMR end-group analysis. Mn and Đ were determined by PS-calibrated gel permeation chromatography.
b
Based on the first starting material shown in each scheme of Fig. 2.