Synthesis and postpolymerization modification of one-pot ω-pentadecalactone block-like copolymers

J.A. Wilson, S.A. Hopkins, P.M. Wright, A.P. Dove

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31 Citations (Scopus)


We report the one-pot copolymerization of ω-pentadecalactone (PDL) to produce tri- and diblock-like copolymers with the ability to undergo postpolymerization modification. The ε-substituted ε-lactone (εSL), menthide (MI), was copolymerized with PDL to introduce side chain functionality into poly(ω-pentadecalactone) (PPDL) copolymers. The copolymerization was followed by quantitative 13C NMR spectroscopy, which revealed that the polymerization of MI occurred before the incorporation of PDL into the polymer chain to form a block-like copolymer. Transesterification side reactions were not found to occur interblock, although intrablock transesterification side reactions occurred only within the PPDL section. The same effect was demonstrated across a range of relative molar equivalents of monomers, and the generality of the approach was further demonstrated with the copolymerization of PDL with other εSL monomers. Finally, the copolymerization of PDL with an alkene-functionalized εSL was shown to produce one-pot PDL block-like copolymers that could undergo postpolymerization modification by thiol–ene addition to produce block copolymers with a range of characteristics in a simple procedure.
Original languageEnglish
Pages (from-to)3191–3200
Number of pages10
Issue number10
Early online date1 Oct 2015
Publication statusPublished - 12 Oct 2015


  • one-pot copolymerization
  • ω-pentadecalactone
  • side chain functionality
  • transesterification


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