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Stereoelective polymerization of D,L-lactide using N-heterocyclic carbene based compounds
Journal article   Peer reviewed

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

Tryg R Jensen, Laurie E Breyfogle, Marc A Hillmyer and William B Tolman
Chemical communications (Cambridge, England), (21), pp.2504-2505
11/07/2004
PMID: 15514837

Abstract

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
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.

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