Discrete yttrium(III) complexes as lactide polymerization catalysts

Bradley M. Chamberlain, Yongping Sun, John R. Hagadorn, Eric W. Hemmesch, Victor G. Young, Maren Pink, Marc A. Hillmyer, William B. Tolman

Research output: Contribution to journalArticlepeer-review

143 Scopus citations


A set of novel yttrium complexes that display unprecedented coordination geometries for the ligands S-H3LMe, R-H3LiPr, and H3LMe is developed. These complexes are promising catalysts for the ring-opening polymerization of lactide. The demonstration of readily manipulated ligand effects on polymerization reactivity in these discrete, well-characterized complexes represents an important step in the development of highly selective lanthanide catalysts for the controlled synthesis of polylactide acid and other polyesters.

Original languageEnglish (US)
Pages (from-to)2400-2402
Number of pages3
Issue number7
StatePublished - Apr 6 1999


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