Table 1.
Entry | Mn(theo)a | Mn(GPC)b | DP(GPC)b | Đc | [α] d | Yield e |
---|---|---|---|---|---|---|
P1' | 13,530 | 13,300 | 13.7 | 1.06 | +47.9 | 90 |
P2' | 22,450 | 20,700 | 22.0 | 1.04 | +45.8 | 94 |
P3' | 44,750 | 41,100 | 44.9 | 1.05 | +46.1 | 89 |
P4' | 89,350 | 64,300 | 70.9 | 1.07 | +46.6 | 82 |
P1 | 5420 | 7500 | 19.9 | 1.18 | +63.9 | 81 |
P2 | 8920 | 10,900 | 29.5 | 1.20 | +68.0 | 84 |
P3 | 17,700 | 19,200 | 53.2 | 1.16 | +67.3 | 86 |
P4 | 35,250 | 36,700 | 103.0 | 1.24 | +65.8 | 93 |
aCalculated based on [M]/[I] ratios, g/mol.
bDetermined by THF GPC against polystyrene standards for P1'-P4', or aqueous GPC against dextran standards for P1-P4, g/mol.
cMw/Mn.
dMeasured by polarimeter in chloroform for P1'-P4' or water for P1-P4, °.
eIsolated yield, %.