Bis(imino)phenoxide complexes of zirconium: synthesis, structural characterization and solvent-free ring-opening polymerization of cyclic esters and lactides

Bis(imino)phenoxide complexes of zirconium possess spectacular reactivity towards the solvent-free polymerization of cyclic ester monomers and lactides. Polymerization of lactide is living and the resulting product has exceptionally high number average molecular weights (Mn). Polymerization of β-but...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2010-01, Vol.39 (21), p.5091-5093
Main Authors: Saha, Tanmoy Kumar, Rajashekhar, Bijja, Gowda, Ravikumar R, Ramkumara, Venkatachalam, Chakraborty, Debashis
Format: Article
Language:English
Subjects:
Crystallography, X-Ray
Dioxanes - chemical synthesis
Dioxanes - chemistry
Esters
Esters - chemical synthesis
Esters - chemistry
Imines - chemistry
Manganese
Models, Molecular
Molecular Structure
Molecular weight
Molecular weight distribution
Monomers
Organometallic Compounds - chemical synthesis
Organometallic Compounds - chemistry
Phenols - chemistry
Polymerization
Synthesis
Zirconium
Zirconium - chemistry
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Summary:Bis(imino)phenoxide complexes of zirconium possess spectacular reactivity towards the solvent-free polymerization of cyclic ester monomers and lactides. Polymerization of lactide is living and the resulting product has exceptionally high number average molecular weights (Mn). Polymerization of β-butyrolactone gives syndiotactic poly(3-hydroxybutyrate) with good Mn and molecular weight distribution (MWD).
ISSN:1477-9226
1477-9234
DOI:10.1039/c002875d