Thymine-functionalised siloxanes: Model compounds and polymers

Douglas R G Smith, Gabriele Kociok-Köhn, Kieran C. Molloy, Gareth J. Price, Rhys D. Short

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Abstract

A novel, efficient synthetic method for the production of organosiloxane polymers functionalised with pendant DNA bases, typified by thymine, is reported. A condensation reaction between an α-amino-ω-alkylsilane or an amino-functionalised siloxane with aldehyde-functionalised thymine gave polymers in higher overall yields than the methods previously reported. Variation in the loading of thymine led to a range of material properties from a highly viscous fluid at 0.2% functionalization to a hard, brittle solid at 20% loading due to hydrogen bonding interactions.

Original languageEnglish
Pages (from-to)29-34
Number of pages6
JournalJournal of Organometallic Chemistry
Volume778
Early online date18 Dec 2014
DOIs
Publication statusPublished - 15 Feb 2015

Keywords

  • Hydrogen bonding
  • Polymer
  • Silicone
  • Siloxane
  • Thymine

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