This review highlights recent developments in the field of biodegradable polymeric materials
intended to replace non-degradable conventional plastics, focusing on studies from the last …

Rare-earth metal complexes as catalysts for ring-opening polymerization of cyclic esters -
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Highly active yttrium phosphasalen initiators for the stereocontrolled ring-opening
polymerization of rac-lactide are reported. The initiators are coordinated by a new class of …

The preparation and characterization of several zinc and magnesium complexes bearing
chiral aminophenolate ligands,[(S)-or (R)-L] ZnN (SiMe3) 2 (1, 2),[(S)-or (R)-L] ZnO t Bu (3 …

Polylactide (PLA) is the leading bioderived polymer produced commercially by the metal‐
catalyzed ring‐opening polymerization of lactide. Control over tacticity to produce …

A range of simple ethylenediamine based Zn (II) and Mg (II) complexes have been prepared
and their structures determined via NMR spectroscopy and X-ray crystallography …

Cyclic polyesters could improve the properties of degradable plastics, but routes to them that
provide a product with faster rates, higher molar mass, and greater selectivity for cyclic vs …

A series of neutral lanthanide alkoxides supported by an amine-bridged bis (phenolate)
ligand were synthesized, and their catalytic behaviors for the polymerization of rac-lactide …

The alternating copolymerization of CO2/epoxides is a useful means to incorporate high
levels of carbon dioxide into polymers. The reaction is generally proposed to occur by …

The most important challenge in ring-opening polymerization of rac-lactide today is to obtain
isotactic PLAs with high molecular weights. The goal of our work is to address this important …