Stereo-selectivity switchable ROP of rac-β-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: the key role of the substituents on ligand frameworks

Zhixing Zhuo; Chen Zhang; Yunjie Luo; Yaorong Wang; Yingming Yao; Dan Yuan; Dongmei Cui

doi:10.1039/C8CC05469J

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Stereo-selectivity switchable ROP of rac-β-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: the key role of the substituents on ligand frameworks†

Zhixing Zhuo,^a Chen Zhang,^a Yunjie Luo,

*^bc Yaorong Wang,

*^a Yingming Yao,

*^ac Dan Yuan

^a and Dongmei Cui

Author affiliations

* Corresponding authors

^a Key Laboratory of Organic Synthesis of Jiangsu Province, and State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China
E-mail: yrwang@suda.edu.cn, yaoym@suda.edu.cn
Fax: +86-512-65880305

^b School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, People's Republic of China
E-mail: luoyunjie@nbu.edu.cn

^c State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China

Abstract

A series of novel salan-ligated rare-earth metal amide complexes were prepared and employed as initiators for the ROP of rac-β-butyrolactone (rac-BBL). Tuning the substituents on the N atoms of the ligand frameworks from aromatic groups to aliphatic groups results in switching tacticity from iso-tactic to syndio-tactic in rac-BBL polymerization.

This article is part of the themed collections: SU 120: Celebrating 120 Years of Soochow University and New molecules and materials from the f-block

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DOI: https://doi.org/10.1039/C8CC05469J
Article type: Communication
Submitted: 09 Jul 2018
Accepted: 28 Aug 2018
First published: 29 Aug 2018

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Chem. Commun., 2018,54, 11998-12001

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Stereo-selectivity switchable ROP of rac-β-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: the key role of the substituents on ligand frameworks

Z. Zhuo, C. Zhang, Y. Luo, Y. Wang, Y. Yao, D. Yuan and D. Cui, Chem. Commun., 2018, 54, 11998 DOI: 10.1039/C8CC05469J

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Chemical Communications

Stereo-selectivity switchable ROP of rac-β-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: the key role of the substituents on ligand frameworks†

Abstract

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Stereo-selectivity switchable ROP of rac-β-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: the key role of the substituents on ligand frameworks

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