Preparation of partially acetylated carotenoids

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Partially acetylated carotenoids were prepared from fully acetylated carotenoids by reaction with NaBH4, and were characterized by UV/VIS, CD, 1H-NMR and mass spectra. The 3,6′-diacetate, 3′,6′-diacetate, and 6′-acetate 10-12, respectively, of (6′R)-capsanthol (=3R,3′S,5′R,6′R)-β,κ- carotene-3,3κ6κ-triol; 4) were obtained from (6′R)-capsanthol-3,3′,6′-triacetate (9), and the 3- and 3′-acetates 13 and 14, respectively, of 4 from (6′R)-capsanthol 3,3′-diacetate (8). The utility of this method was also demonstrated by the preparation of zeaxanthin and lutein monoacetates 16, 19, and 20.

Original languageEnglish
Pages (from-to)2349-2357
Number of pages9
JournalHelvetica Chimica Acta
Issue number8
Publication statusPublished - Sep 17 2002

ASJC Scopus subject areas

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

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