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Verbaspinoside, a new iridoid glycoside from Verbascum spinosum
Authors:Kalpoutzakis E  Aligiannis N  Mitakou S  Skaltsounis A L
Institution:Laboratory of Pharmacognosy, Department of Pharmacy, University of Athens, Panepistimiopolis, Zografou, GR-15771 Athens, Greece.
Abstract:A new iridoid glycoside, verbaspinoside (1), was isolated from the aerial parts of Verbascum spinosum. Its structure was elucidated on the basis of chemical and spectral data as 6-O-(2' '-O-trans-cinnamoyl)-alpha-L-rhamnopyranosyl]-catalpol. Additionally, three known iridoids (aucubin, catalpol, and ajugol) and three phenylpropanoid glycosides acteoside, angoroside A (2), and angoroside C (3)] were isolated and identified.
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