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Controllable Synthesis of Stereoregular Polyesters by Organocatalytic Alternating Copolymerizations of Cyclohexene Oxide and Norbornene Anhydrides
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    Controllable Synthesis of Stereoregular Polyesters by Organocatalytic Alternating Copolymerizations of Cyclohexene Oxide and Norbornene Anhydrides
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    Department of Polymer Science and Engineering, Hebei University of Technology, No. 8 Guangrong Road, Hongqiao District, Tianjin 300130, China
    The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Department of Polymer Science and Engineering, Pusan National University, Busan 609-735, Korea
    § Institute for Technical and Macromolecular, University of Hamburg, Bundesstrasse 45, D-20146 Hamburg, Germany
    *E-mail [email protected] (B.L.).
    *E-mail [email protected] (I.K.).
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    Macromolecules

    Cite this: Macromolecules 2015, 48, 11, 3431–3437
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    https://doi.org/10.1021/acs.macromol.5b00555
    Published May 22, 2015
    Copyright © 2015 American Chemical Society

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    A facile strategy has been demonstrated for the selective synthesis of highly stereoregular polyesters with cis-2,3-(exo, exo) or trans-2,3-(exo, endo) repeating units by the organocatalysts mediated alternating copolymerization of cyclohexene oxide and norbornene anhydride (NA) stereoisomers. The geometrical structure of polyester can be tuned simply by modulating the type of NA isomers (endo- or exo-NA), monomer feed ratio, and reaction temperature. The cis- (>99%) and trans-polyesters (>99%) exhibit high glass transition temperature up to 129.8 and 115.9 °C, respectively. The resulting polyesters provide a versatile platform to incorporate various functional groups through the robust thiol–ene reaction of the pendant norbornenyl groups.

    Copyright © 2015 American Chemical Society

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    Figures S1–S16. The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.macromol.5b00555.

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    Macromolecules

    Cite this: Macromolecules 2015, 48, 11, 3431–3437
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.macromol.5b00555
    Published May 22, 2015
    Copyright © 2015 American Chemical Society

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