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Issue 48, 2018
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Synthesis of sheet-coil-helix and coil-sheet-helix triblock copolymers by combining ROMP with palladium-mediated isocyanide polymerization

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Abstract

We report a synthetic route to construct architecturally well-defined triblock copolymers, in particular copolymers featuring secondary structures that form sheet-coil-helix and coil-sheet-helix motifs, through a macroinitiation strategy that combines sequential ring-opening metathesis polymerization (ROMP) with palladium-mediated isocyanide polymerization. Throughout the triblock copolymer fabrication, the individual blocks retained their secondary structures as evidenced by circular dicroism (CD) and fluorescence spectroscopies. Our strategy introduces a facile way to create complex ABC triblock copolymers that contain architecturally-diverse backbones, whilst retaining the ability to control sequence: sheet-coil-helix or coil-sheet-helix.

Graphical abstract: Synthesis of sheet-coil-helix and coil-sheet-helix triblock copolymers by combining ROMP with palladium-mediated isocyanide polymerization

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Publication details

The article was received on 18 Sep 2018, accepted on 08 Nov 2018 and first published on 14 Nov 2018


Article type: Paper
DOI: 10.1039/C8PY01361F
Citation: Polym. Chem., 2018,9, 5655-5659
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    Synthesis of sheet-coil-helix and coil-sheet-helix triblock copolymers by combining ROMP with palladium-mediated isocyanide polymerization

    S. K. Pomarico, D. S. Lye, E. Elacqua and M. Weck, Polym. Chem., 2018, 9, 5655
    DOI: 10.1039/C8PY01361F

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