Preparation and spectroscopic characterization of (9Z,9′Z)-lutein (neolutein C)

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The preparation of pure, crystalline (9Z,9′Z)-lutein (neolutein C; 2) by I2-catalyzed photoisomerization of (all-E)-lutein (1) is described. The structure of 2 was unambiguously determined by UV/VIS, CD, and NMR spectroscopy, as well as by mass spectrometry, and the complete assignment of the 13C-NMR spectrum of this carotenoid is presented for the first time.

Original languageEnglish
Pages (from-to)667-674
Number of pages8
JournalHelvetica Chimica Acta
Issue number4
Publication statusPublished - May 10 2006

ASJC Scopus subject areas

  • Catalysis
  • Biochemistry
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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