(E/Z)-isomerization of 3′-epilutein

Title(E/Z)-isomerization of 3′-epilutein
Publication TypeJournal Article
Year of Publication2004
AuthorsMolnár, P, Deli, J, Osz, E, Matus, Z, Tóth, G, Zsila, F
JournalHelvetica Chimica Acta
Volume87
Issue8
Pagination2169 - 2179
Date Published2004
Abstract

3′-Epilutein (=(all-E,3R,3′S,6′R)-4′,5′- didehydro-5′,6′-dihydro-β,β-carotene-3,3′-diol; 1), isolated from the flowers of Caltha palustris, was submitted to both thermal isomerization and I2-catalyzed photoisomerization. The structures of the main products; (9Z)-1, (9′Z)-1, (13Z)-1, (13′Z)-1, (15Z)-1, and (9Z,9′Z)-1 were determined based on UV/VIS, CD, 1H-NMR, and MS data.

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