Fast and Convenient Synthesis of Amine-Terminated Polylactide as a Macroinitiator for 𝝎-Benzyloxycarbonyl-L-Lysine-N-Carboxyanhydrides

Table 1

Molecular weight characterization of BocNH-PLLA homopolymers.

Sample	𝑀0/𝐼0 (mol)	Mn^a	Mn^b	Mn^c	PDI	Mn^d	Mn^b/Mn^d
PLLA10	10	1440	1544	2680	1.21	1527	1.01
PLLA25	25	3600	3487	6423	1.24	3661	0.95
PLLA50	50	7200	7663	13848	1.52	7893	0.97
PLLA100	100	14400	15295	28657	1.48	16334	0.94
PLLA150	150	21600	22927	39569	1.46	22554	1.02
PLLA200	200	28000	33295	55436	1.61	31599	1.05

^aCalculated from the free ratio. ^bCalculated from the ¹H NMR (see Figure 2). ^cObtained from GPC based on the PS calibration. ^dCorrected GPC result, Mn^c×0.57.