NDLI: Lactide Polymerisation with Air-Stable and Highly Active Zinc Complexes with Guanidine–Pyridine Hybrid Ligands

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Lactide Polymerisation with Air-Stable and Highly Active Zinc Complexes with Guanidine–Pyridine Hybrid Ligands

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Lactide Polymerisation with Air-Stable and Highly Active Zinc Complexes with Guanidine–Pyridine Hybrid Ligands

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Huber, Klaus Herres-pawlis, Sonja Flörke, Ulrich Kuckling, Dirk Börner, Janna Döring, Artjom
Description	Author Affiliation: Börner J ( Department Chemie, Anorganische Chemie, Universität Paderborn, Warburger Strasse 100, 33098 Paderborn, Germany.)
Abstract	New class of air-stable catalysts for lactide polymerisation: Guanidine–pyridine hybrid ligands (picture, left) were used to prepare a series of zinc complexes (e.g., depicted cation $[ZnL_{2}(CF_{3}SO_{3})]^{+},$ where L is the quinoline-containing ligand with $R^{1}=R^{2}=R^{3}=R^{4}=Me),$ in which the ligand binds through two different N-donor atoms. The zinc complexes show high activity in ring-opening polymerisation of d,l-lactide (right), giving polylactide with molecular masses up to $176 000 g mol^{−1}$ and in high yield.
ISSN	09476539
e-ISSN	15213765
Journal	Chemistry - A European Journal
Issue Number	10
Volume Number	15
Language	English
Publisher	Wiley-VCH;ChemPubSoc Europe
Publisher Date	2009-01-01
Publisher Place	Germany
Access Restriction	Open
Subject Keyword	Guanidines Chemistry Polyesters Chemical Synthesis Polymers Pyridines Zinc Catalysis Crystallography, X-Ray Ligands Models, Molecular Molecular Structure Organometallic Compounds Research Support, Non-U.S. Gov't
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Catalysis

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