
Eight compounds, nagilactone C 7-O-α-L-arabinopyranosyl-(1→4)-β-D-xylopyranoside, nagilactone C 7-O-β-D-glucopyranosyl-(1→4)-β-D-xylopyranoside, nagilactone C 7-O-β-D-xylopyranoside, nagilactone A 7-O-α-L-arabinopyranosyl-(1→4)-β-D-xylopyranoside, 2β,15S,16,17,19-pentahydroxy-isopimar-8(14)-ene 17-O-β-D-glucopyranoside, 2β,15R,16,17,19-pentahydroxy-isopimar-8(14)-ene 17-O-β-D-glucopyranoside, 1-(2,6,6-trimethyl-4-hydroxycyclohexenyl)-1-hydroxy-buta-1-en-3-one 4-O-β-D-glucopyranoside, and vitexin 2″-O-β-D-(6'''-acetyl)-glucopyranoside together with 13 known compounds, were isolated from the leaves of Podocarpus elongatus. Structures were elucidated by 1D and 2D NMR spectroscopy as well as by ESI mass spectrometry and chemical methods. The absolute configurations of the 15,16-diol moieties in two compounds were determined using Snatzke's method.
Spectrometry, Mass, Electrospray Ionization, Magnetic Resonance Spectroscopy, Plant Extracts, Hydrolysis, Molecular Conformation, Butylated Hydroxytoluene, Chemical Fractionation, Flavones, Plant Leaves, Tracheophyta, Glycosides, diterpenes; diterpene glycosides; NMR.MS, Diterpenes, Acids, Chromatography, High Pressure Liquid
Spectrometry, Mass, Electrospray Ionization, Magnetic Resonance Spectroscopy, Plant Extracts, Hydrolysis, Molecular Conformation, Butylated Hydroxytoluene, Chemical Fractionation, Flavones, Plant Leaves, Tracheophyta, Glycosides, diterpenes; diterpene glycosides; NMR.MS, Diterpenes, Acids, Chromatography, High Pressure Liquid
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