Stereoelective polymerization of D,L-lactide using N-heterocyclic carbene based compounds

Tryg R Jensen; Laurie E Breyfogle; Marc A Hillmyer; William B Tolman

doi:10.1039/b405362a

Stereoelective polymerization of D,L-lactide using N-heterocyclic carbene based compounds

Chem Commun (Camb). 2004 Nov 7:(21):2504-5. doi: 10.1039/b405362a. Epub 2004 Sep 8.

Authors

Tryg R Jensen¹, Laurie E Breyfogle, Marc A Hillmyer, William B Tolman

Affiliation

¹ Department of Chemistry, Universty of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, USA.

PMID: 15514837
DOI: 10.1039/b405362a

Abstract

A new Zn alkoxide catalyst supported by an N-heterocyclic carbene rapidly polymerizes D,L-lactide (D,L-LA) to heterotactic enriched poly(lactide)(PLA), while the free carbene and analogs instead yield highly isotactic enriched PLA.

Publication types

Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

Crystallography, X-Ray
Hydrocarbons / chemistry
Methane / analogs & derivatives*
Methane / chemistry
Models, Molecular
Molecular Structure
Organometallic Compounds / chemical synthesis*
Organometallic Compounds / chemistry
Oxidation-Reduction
Polyesters / chemistry*
Stereoisomerism
Zinc / chemistry*

Substances

Hydrocarbons
Organometallic Compounds
Polyesters
carbene
poly(lactide)
Zinc
Methane