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À propos de : Synthesis and Structure of a Molecular Barium Aminebis(phenolate) andIts Application as an Initiator for Ring-Opening Polymerization of CyclicEsters        

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  • Synthesis and Structure of a Molecular Barium Aminebis(phenolate) andIts Application as an Initiator for Ring-Opening Polymerization of CyclicEsters
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  • A trinuclear barium aminebis(phenolate) complex has been synthesized and characterized in solution and in the solid state. The complex has been used as a ring-opening polymerization initiator for ε-caprolactone and l-lactide; to the best of our knowledge, this is the first time a barium species has been utilized in such applications. The initiator was active and produced high molecular weight polymers with polydispersity indices of 1.26−1.57. The graphic highlights the metal−heteroatom framework of the complex, which consists of an assembly of 13 fused rings.
  • The synthesis and structural characterization of an unusualtrinuclear barium aminebis(phenolate) complex are reported alongwith its application as an initiator for the ring-opening polymerizationof ε-caprolactone and l-lactide.
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