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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, Chen Zhang, Yunjie Luo, Yaorong Wang, Yingming Yao, Dan Yuan, Dongmei Cui

Chem Commun (Camb). 2018 Oct 23;54(85):11998-12001.

PMID: 30204162

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.

Chemicals Related in the Paper:

Catalog Number Product Name Structure CAS Number Price
AP3068880 β-Butyrolactone β-Butyrolactone 3068-88-0 Price
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