Gradient Isotactic Multiblock Polylactides from Aluminum Complexes of Chiral Salalen Ligands
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- 作者：Alessia Pilone ; Konstantin Press ; Israel Goldberg ; Moshe Kol ; Mina Mazzeo ; Marina Lamberti
- 刊名：Journal of the American Chemical Society
- 出版年：2014
- 出版时间：February 26, 2014
- 年：2014
- 卷：136
- 期：8
- 页码：2940-2943
- 全文大小：218K
- 年卷期：v.136,no.8(February 26, 2014)
- ISSN：1520-5126
文摘
Aluminum complexes of enantiomerically pure aminomethylpyrrolidine-based salalen ligands and their application in the stereoselective polymerization of lactide are described. Poly(lactic acid) featuring the new gradient isotactic multiblock microstructure was synthesized by isoselective catalysts, which operate by a combination of enantiomorphic-site and chain-end control mechanisms.