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Absolute structures of new hydroxystilbenoids, vitisin C and viniferal, from Vitis vinifera ‘Kyohou’

✍ Scribed by Junko Ito; Masatake Niwa


Book ID
107857907
Publisher
Elsevier Science
Year
1996
Tongue
French
Weight
494 KB
Volume
52
Category
Article
ISSN
0040-4020

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Hepatotoxic oligostilbenes, (+)-vitisin A and (+)-c/s-vitisin A were isolated as a pure form, respectively, by the method of recycled HPLC. The structure of c/s-vitisin A was confirmed by the photochemical transformation of vitisin A. The absolute configurations of (+)-ampelopsin A, (+)-ampelopsin B