Polymeric Reagents. II. Synthesis and Applications of Crosslinked Poly(vinylpyridinium Hydrobromide Perbromide) Resins

Jean Frechet, M. J. Farrall, L. J. Nuyens

Research output: Contribution to journalArticlepeer-review

53 Scopus citations

Abstract

Crosslinked bead polymers containing vinylpyridine units were prepared by pearl copolymerization of monomer mixtures containing various percentagesof 4-vinylpyridine, styrene, and di-vinylbenzene. The polymers were functionalized by reaction with hydrogen bromide and bromine, and the resulting poly-(vinylpyridinium hydrobromide perbromide) resins, which were stable for long periods of time, were used to brominate a number of alkenes and ketones. In most cases, the brominated products were obtained in excellent yields and could be separated from the polymeric by-product by a simple filtration. The polymeric reagent could be fully regenerated after use without loss of activity.

Original languageEnglish (US)
Pages (from-to)507-514
Number of pages8
JournalJournal of Macromolecular Science: Part A - Chemistry
Volume11
Issue number3
DOIs
StatePublished - Mar 1 1977

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Polymers and Plastics
  • Materials Chemistry

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