darutoside dimethyl sulfoxide glucoside solvent unclassified drug article Asteraceae drug structure nonhuman nuclear magnetic resonance spectroscopy nuclear Overhauser effect Magnetic Resonance Spectroscopy Molecular Structure Siegesbeckia orientalis
Issue Date:
2005
Publisher:
Natural Product Research
Citation:
Volume 19, Issue 5, Page 503-507
Abstract:
NMR spectral data in various solvents (DMSO-d6, CD3OD, C5D5N) for the rare ent-pimar-8(14)-
ene-15, 16-diol 3-O-?-D-glucoside, darutoside, are reported. Complete assignments are made on the basis of
1D and 2D (COSY, HMQC, HMBC, NOESY) spectra. ?? 2005 Taylor & Francis Group Ltd.
