Stereoselective polymerization of rac- and meso-lactide catalyzed by sterically encumbered N-heterocyclic carbenes

Andrew P. Dove; Hongbo Li; Russell C. Pratt; Bas G. G. Lohmeijer; Darcy A. Culkin; Robert M. Waymouth; James L. Hedrick

doi:10.1039/b601393g

Chemical Communications

Paper

01 Jan 2006

Stereoselective polymerization of rac- and meso-lactide catalyzed by sterically encumbered N-heterocyclic carbenes

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Abstract

New sterically encumbered N-heterocyclic carbene catalysts were synthesized and used to polymerize rac-lactide to give highly isotactic polylactide or meso-lactide to give heterotactic polylactide. © The Royal Society of Chemistry 2006.

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