Stereoelective polymerization of D,L-lactide using N-heterocyclic carbene based compounds.
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.
Jensen
Tryg R
TR
Department of Chemistry, Universty of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, USA.
Breyfogle
Laurie E
LE
Hillmyer
Marc A
MA
Tolman
William B
WB
D018360:Crystallography, X-Ray; D006838:Hydrocarbons / Q000737:chemistry; D008697:Methane / Q000031:analogs & derivatives* / Q000737:chemistry; D008958:Models, Molecular; D015394:Molecular Structure; D009942:Organometallic Compounds / Q000138:chemical synthesis* / Q000737:chemistry; D010084:Oxidation-Reduction; D011091:Polyesters / Q000737:chemistry*; D013237:Stereoisomerism; D015032:Zinc / Q000737:chemistry*
D006838:Hydrocarbons; D009942:Organometallic Compounds; D011091:Polyesters; C030011:carbene; C033616:poly(lactide); D015032:Zinc; D008697:Methane