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New Challenge for Classics: Neutral Zinc Complexes Stabilised by 2,2’-Bipyridine and 1,10-Phenanthroline and Their Application in the Ring-Opening Polymerisation of Lactide

Author

Listed:
  • Janna Börner

    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Ulrich Flörke

    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Artjom Döring

    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Dirk Kuckling

    (Department Chemie, Universität Paderborn, Warburger Straße 100, 33098 Paderborn, Germany)

  • Matthew D. Jones

    (Department of Chemistry, University of Bath, Claverton Down, Bath BA27AY, UK)

  • Sonja Herres-Pawlis

    (Department Chemie, Technische Universität Dortmund, Otto-Hahn-Straße 6, 44227 Dortmund, Germany)

Abstract

The zinc acetato and triflato complexes of 2,2’-bipyridine and 1,10-phenanthroline were prepared and completely characterised. The whole series (including the already described dichlorido complexes and the ligands themselves) were screened for their catalytic activity in the solvent free ring-opening polymerisation of D,L-lactide. The acetato and triflato complexes were found to be active initiators and polylactides could be obtained in almost quantitative yields or with high molecular weights, up to 145,000 g/mol.

Suggested Citation

  • Janna Börner & Ulrich Flörke & Artjom Döring & Dirk Kuckling & Matthew D. Jones & Sonja Herres-Pawlis, 2009. "New Challenge for Classics: Neutral Zinc Complexes Stabilised by 2,2’-Bipyridine and 1,10-Phenanthroline and Their Application in the Ring-Opening Polymerisation of Lactide," Sustainability, MDPI, vol. 1(4), pages 1-14, December.
    • Handle: RePEc:gam:jsusta:v:1:y:2009:i:4:p:1226-1239:d:6462
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