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Iridoid glucosides from Veronica pectinata var. glandulosa
U Sebnem Harput1, Akito Nagatsu, Yukio Ogihara
1Hacettepe University, Faculty of Pharmacy, Department of Pharmacognosy, TR-06100 Ankara, Turkey.
Zeitschrift Fur Naturforschung. C, Journal of Biosciences
|August 27, 2003
Abstract:
A new highly oxygenated iridoid glucoside, urphoside B (1) was isolated from the Veronica pectinata var. glandulosa together with seven known iridoid glucosides, aucubin, catalpol, veronicoside, catalposide, verproside, amphicoside and 6-O-veratroyl catalpol. The planar as well as the stereo structures of the isolated compounds were determined by means of extensive 1D- and 2D-NMR spectroscopy and confirmed by HR-Mass.