期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 130, 期 21, 页码 6749-6754出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja0764411
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We have investigated two alternative mechanisms for the ring-opening polymerization of L-lacticle using a guanidine-based catalyst, the first involving acetyl transfer to the catalyst, and the second involving only hydrogen bonding to the catalyst. Using computational chemistry methods, we show that the hydrogen bonding pathway is considerably preferred over the acetyl transfer pathway and that this is consistent with experimental information.
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