Stereoselective polymerization of rac- and meso-lactide catalyzed by sterically encumbered N-heterocyclic carbenes
Literature Information
Andrew P. Dove, Hongbo Li, Russell C. Pratt, Bas G. G. Lohmeijer, Darcy A. Culkin, Robert M. Waymouth, James L. Hedrick
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.
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