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. 2016 Sep 5;147(11):1883–1892. doi: 10.1007/s00706-016-1830-7

Table 4.

Polymerization data for rac-LA using 1–4 in 200:1 ratio (rac-LA:catalyst) at 140 °C

Entry Catalyst Yield/% M obsn/kg mol−1a M w/M n k app/×10−3 min−1b
1 1 94 5.45 1.78 9.361
2 2 95 5.76 1.75 10.58
3 3 93 5.30 1.83 7.562
4 4 95 6.04 1.71 12.78

aMeasured by GPC at 60 °C in DMF relative to polystyrene standards

bAs measured from the NMR study