Isomerization of (all-E)-cucurbitaxanthin A

Péter Molnár, J. Deli, Z. Matus, G. Tóth, Dorte Rennebergand, Hanspeter Pfander

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Cucurbitaxanthin A (=(all-E,3S,5R,6R,3'R)-3,6-epoxy-5,6-dihydro-β,β- carotene-5,3'-diol; 1) was submitted to thermal isomerization and to I2- catalysed photoisomerization. The structure of the main reaction products (9Z)- (2), (9'Z)- (3), (13Z)- (4), and (13'Z)-cucurbitaxanthin A (5) was determined by their UV/VIS, CD, 1H-NMR, and mass spectra.

Original languageEnglish
Pages (from-to)1535-1541
Number of pages7
JournalHelvetica Chimica Acta
Volume83
Issue number7
DOIs
Publication statusPublished - 2000

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Photoisomerization
carotene
Isomerization
Reaction products
reaction products
isomerization
mass spectra
Nuclear magnetic resonance
nuclear magnetic resonance
Carotenoids
Hot Temperature
cucurbitaxanthin A
Proton Magnetic Resonance Spectroscopy

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Isomerization of (all-E)-cucurbitaxanthin A. / Molnár, Péter; Deli, J.; Matus, Z.; Tóth, G.; Rennebergand, Dorte; Pfander, Hanspeter.

In: Helvetica Chimica Acta, Vol. 83, No. 7, 2000, p. 1535-1541.

Research output: Contribution to journalArticle

Molnár, Péter ; Deli, J. ; Matus, Z. ; Tóth, G. ; Rennebergand, Dorte ; Pfander, Hanspeter. / Isomerization of (all-E)-cucurbitaxanthin A. In: Helvetica Chimica Acta. 2000 ; Vol. 83, No. 7. pp. 1535-1541.
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AU - Rennebergand, Dorte

AU - Pfander, Hanspeter

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AB - Cucurbitaxanthin A (=(all-E,3S,5R,6R,3'R)-3,6-epoxy-5,6-dihydro-β,β- carotene-5,3'-diol; 1) was submitted to thermal isomerization and to I2- catalysed photoisomerization. The structure of the main reaction products (9Z)- (2), (9'Z)- (3), (13Z)- (4), and (13'Z)-cucurbitaxanthin A (5) was determined by their UV/VIS, CD, 1H-NMR, and mass spectra.

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