Comparison of structurally analogous Zn2, Co2, and Mg2 catalysts for the polymerization of cyclic esters

Laurie E. Breyfogle; Charlotte K. Williams; Victor G. Young; Marc A. Hillmyer; William B. Tolman

doi:10.1039/b507014g

Comparison of structurally analogous Zn₂, Co₂, and Mg₂ catalysts for the polymerization of cyclic esters

Laurie E. Breyfogle, Charlotte K. Williams, Victor G. Young, Marc A. Hillmyer, William B. Tolman

Chemistry (Twin Cities)

Research output: Contribution to journal › Article › peer-review

110 Scopus citations

Abstract

Three dimetallic monoethoxide complexes supported by a binucleating phenoxide ligand, LM₂Cl₂OEt (M = Zn, Co, or Mg), were prepared and shown by X-ray crystallography to be structurally analogous. Comparative studies of their cyclic ester polymerization reactivity revealed different trends for reactions with ε-caprolactone and lactide, however, implicating complicated effects of metal ion variation in these polymerizations.

Original language	English (US)
Pages (from-to)	928-936
Number of pages	9
Journal	Dalton Transactions
Issue number	7
DOIs	https://doi.org/10.1039/b507014g
State	Published - 2006

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abstract = "Three dimetallic monoethoxide complexes supported by a binucleating phenoxide ligand, LM2Cl2OEt (M = Zn, Co, or Mg), were prepared and shown by X-ray crystallography to be structurally analogous. Comparative studies of their cyclic ester polymerization reactivity revealed different trends for reactions with ε-caprolactone and lactide, however, implicating complicated effects of metal ion variation in these polymerizations.",

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AU - Williams, Charlotte K.

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AU - Hillmyer, Marc A.

AU - Tolman, William B.

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AB - Three dimetallic monoethoxide complexes supported by a binucleating phenoxide ligand, LM2Cl2OEt (M = Zn, Co, or Mg), were prepared and shown by X-ray crystallography to be structurally analogous. Comparative studies of their cyclic ester polymerization reactivity revealed different trends for reactions with ε-caprolactone and lactide, however, implicating complicated effects of metal ion variation in these polymerizations.

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Comparison of structurally analogous Zn₂, Co₂, and Mg₂ catalysts for the polymerization of cyclic esters

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