Biocatalytic Synthesis of Maltodextrin-Based Acrylates from Starch and alpha-Cyclodextrin

Wouter M. J. Kloosterman, Gerda Spoelstra-van Dijk, Katja Loos*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

Novel 2-(beta-maltooligooxy)-ethyl (meth) acrylate monomers are successfully synthesized by CGTase from Bacillus macerans catalyzed coupling of 2-(beta-glucosyloxy)-ethyl acrylate and methacrylate with a-cyclodextrin or starch. HPLC-UV analysis shows that the CGTase catalyzed reaction yields 2-(beta-maltooligooxy)-ethyl acrylates with 1 to 15 glucopyranosyl units. H-1 NMR spectroscopy reveals that the beta-linkage in the acceptor molecule is preserved during the CGTase catalyzed coupling reaction, whereas the newly introduced glucose units are attached by alpha-(1,4)-glycosidic linkages. The synthesized 2-(beta-maltooligooxy)-ethyl acrylate monomers are successfully polymerized by aqueous free radical polymerization to yield the comb-shaped glycopolymer poly(2-(beta-maltooligooxy)-ethyl acrylate).

Original languageEnglish
Pages (from-to)1268-1279
Number of pages12
JournalMacromolecular Bioscience
Volume14
Issue number9
DOIs
Publication statusPublished - Sept-2014

Keywords

  • acrylates
  • biocatalytic
  • cyclodextrin
  • glucosyl transferase
  • polyglucosides
  • MACERANS CYCLOMALTODEXTRIN GLUCANYLTRANSFERASE
  • GLYCOGEN BRANCHING ENZYME
  • COIL BLOCK-COPOLYMERS
  • TRANSGLYCOSYLATION REACTIONS
  • DEINOCOCCUS-GEOTHERMALIS
  • POTATO PHOSPHORYLASE
  • GLUCANOTRANSFERASE
  • GLYCOSYLTRANSFERASE
  • AMYLOSE
  • MALTOOLIGOSACCHARIDES

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