[Iridoids from Verbascum sinuatum.].
From the underareal part of Verbascum sinuatum harpagoside [1] and a new diacyl-iridoid-diglycoside [2] has been isolated. The structure of the new compound is elucidated on the basis of (1)H-NMR, (13)C-NMR, mass spectral data and chemical degradation as 6-O-(2'',3''-Di-O-acyl)-alpha-L-rhamnopyranosylcatalpol.
Falsone
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Institut für Organische Chemie der Universität Düsseldorf, Düsseldorf, Bundesrepublik Deutschland.
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