Reduction of capsorubin and cryptocapsin

TitleReduction of capsorubin and cryptocapsin
Publication TypeJournal Article
Year of Publication2001
AuthorsDeli, J, Osz, E, Molnár, P, Zsila, F, Simonyi, M, Tóth, G
JournalHelvetica Chimica Acta
Volume84
Issue12
Pagination3810 - 3817
Date Published2001
Abstract

(6′S)- and (6′R)-'Capsorubol-6-one' (=(3S,3′S,5R,5′R,6′S)- and (3S,3′S,5R,5′R,6′R)-3,3′,6′- trihydroxy-κ,κ-caroten-6-one; 8 and 9, resp.), (6S,6′R)- and (6R,6′R)-capsorubol (=3S,3′S,5R,5′R,6S,6′R)- and (3S,3′S,5R,5′R,6R,6′R)-κ,κ-carotene-3, 3′,6,6′-tetrol; 11 and 12, resp.) and (6′S)- and (6′R)-cryptocapsol (=(3′S,5′R,6′S)- and (3′S,5′R,6′R)-β,κ-carotene-3′,6′- diol; 5 and 6, resp.) were prepared in crystalline from by the reduction of capsorubin (=(3S,3′S,5R,5′R)-3,3′-dihydroxy-κ,κ-carotene- 6,6′-dione; 7) and cryptocapsin (=(3′S,5′R)-3′-hydroxy-β,κ-caroten-6′-one; 4) and characterized by their UV/VIS, CD, 1H-NMR, and mass spectra.

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