@article{356,
  author = {P. Molnár and J. Deli and Ferenc Zsila and A. Steck and H. Pfander and G. Tóth},
  title = {Preparation and (E/Z)-Isomerization of the Diastereoisomers of Violaxanthin},
  abstract = {Violaxanthin A (=(all-E,3S,5S,6R,3 S,5 S,6  R)-5,6:5 ,6 -diepoxy-5,6,5 ,6 -tetrahydro-β, β-carotene-3,3 -diol = syn,syn-violaxanthin; 5) and violaxanthin B (=(all-E,3S,5S,6R,3 S,5 R,6 S)-5,6:5 , 6 -diepoxy-5,6,5 ,6 -tetrahydro-β,β-carotene-3, 3 -diol = syn,anti-violaxanthin; 6) were prepared by epoxidation of zeaxanthin diacetate (1) with monoperphthalic acid. Violaxanthins 5 and 6 were submitted to thermal isomerization and I2-catalyzed photoisomerization. The structure of the main products, i.e., (9Z)-5, (13Z)-5, (9Z)-6, (9 Z)-6, (13Z)-6, and (13 Z)-6, was determined by their UV/VIS, CD, 1H-NMR, 13C-NMR, and mass spectra.},
  year = {2004},
  journal = {Helvetica Chimica Acta},
  volume = {87},
  pages = {11-27},
  month = {2004},
  url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-1342345092&partnerID=40&md5=39065547419a481a9f38576632d4b450},
  note = {Cited By :7Export Date: 25 February 2016},
}