Article

Redox control of a polymerization catalyst by changing the oxidation state of the metal center.

Department of Chemistry & Biochemistry, University of California, Los Angeles, California 90095, USA.
Chemical Communications (impact factor: 6.17). 08/2011; 47(35):9897-9. DOI:10.1039/c1cc13117f pp.9897-9
Source: PubMed

ABSTRACT The activity of cerium alkoxide complexes supported by a Schiff base ligand was controlled using redox reagents during the ring-opening polymerization of L-lactide. The rate of L-lactide polymerization was modified by switching in situ between the cerium(III) and cerium(IV) species.

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Keywords

cerium alkoxide complexes
 
cerium(III)
 
cerium(IV)
 
L-lactide polymerization
 
redox reagents
 
ring-opening polymerization
 
Schiff base ligand
 
switching