Redox Switchable Copolymerization of Cyclic Esters and Epoxides by a Zirconium Complex

Redox Switchable Copolymerization of Cyclic Esters and Epoxides by a Zirconium Complex

A zirconium precatalyst, (salfan)­Zr­(O t Bu)2 (salfan = 1,1′-di­(2-tert-butyl-6-N-methyl­methylene­phenoxy)­ferrocene), shows activity for the redox-controlled block copolymerization of l-lactide and cyclohexene oxide. The role of the oxidant is examined, and several diblock (AB and BA) and tribloc...

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Veröffentlicht in:Macromolecules 2016-09, Vol.49 (18), p.6768-6778
Hauptverfasser: Quan, Stephanie M., Wang, Xinke, Zhang, Rongjia, Diaconescu, Paula L.
Format: Artikel
Sprache:eng
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Zusammenfassung:A zirconium precatalyst, (salfan)­Zr­(O t Bu)2 (salfan = 1,1′-di­(2-tert-butyl-6-N-methyl­methylene­phenoxy)­ferrocene), shows activity for the redox-controlled block copolymerization of l-lactide and cyclohexene oxide. The role of the oxidant is examined, and several diblock (AB and BA) and triblock copolymers (ABA and BAB) were synthesized and characterized.
ISSN:0024-9297
1520-5835
DOI:10.1021/acs.macromol.6b00997