(Chemical Equation Presented) A m-phenylene ethynylene oligomer containing a helicene unit was synthesized to bias the twist sense of the folded helical conformation. The CD spectra of the helicene oligomer exhibited large Cotton effects that varied greatly with the solvent composition, including three separate conformational transitions.

Original languageEnglish (US)
Pages (from-to)3317-3320
Number of pages4
JournalOrganic Letters
Issue number19
StatePublished - Sep 16 2004

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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