Journal
CHEMICAL COMMUNICATIONS
Volume 50, Issue 70, Pages 10098-10101Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc03347g
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The ionic nucleophilic character of ammonium betaine catalysts allows for controlling the ROP of L-LA for DP as high as 750 with very narrow dispersity values (<= 1.18). Compared to ionic nucleophilic and hydrogen-bonding based catalysts for ROP, meta-betaine combines the positive aspects of both processes in terms of kinetics and selectivity. The versatility of ammonium betaines was evidenced by varying the nature of the initiating alcohol and monomer used.
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