cytellin and coniferin

To study the chemical constituents from the stems of Acanthopanax gracilistylus.. The chemical constituents of the plant were isolated and puried by column chromatography and their structures were elucidated on the basis of physico-chemical properties and spectral data.. Sixteen compounds were isolated and identified as (2S,3S, 4R, 8E)-2-[(2'R)-2'-hydroxy-pentadecanoylamino]-heptacosane-1,3,4-triol-8-ene(1a),(2S,3S,4R,8E)-2-[(2'R)-2'-hydroxy-octadecanoylamino]-lignocer-ane-1,3,4-triol-8-ene(1b), (2S, 3S, 4R, 8E) -2-[(2'R) -2'-hydroxy-heneicosanoylamino]-heneicosane-1,3,4-triol-8-ene (1c), (2S, 3S,4R, 8E)-2-[(2'R) -2'-hydroxy-docosanoylamino] -eicosane-1,3,4-triol-8-ene (1d), (2S, 3S, 4R, 8E)-2-[(2'R)-2'-hydroxy-trico-sanoylamino]-nonadecane-1,3,4-triol-8-ene (1e), (2S,3S,4R,8E)-2-[(2'R)-2'-hydroxy-lignocera-noylamino]-cctadecane-1,3,4-tri-ol-8-ene(1f), 1-O-beta-D-glucopyranosyl-(2S, 3S, 4R, 8E)-2-[(2'R)-2'-hydroxy-pentadecanoylamino]-nonadecane-1, 3, 4-triol-8-ene (2), 16alpha-hydroxy-ent-kauran-19-ocid (3), 16alphaH, 17-isovaleryloxy-ent-kauran-19-oic acid (4), coniferin (5), syringin (6), eleutheroside D (7), stigmasterol (8), beta-sitosterol (9), daucosterol (10), pentacosanoic acid (11).. Compounds 1a - f, 2 are isolated from this genus for the first time, and compounds 4, 5, 11 are firstly obtained from Acanthopanax gracilistylus.

Topics: Cinnamates; Eleutherococcus; Glucosides; Magnetic Resonance Spectroscopy; Molecular Structure; Phenylpropionates; Plant Extracts; Plant Stems; Plants, Medicinal; Sitosterols; Stigmasterol

To investigate the chemical constituents of the aerial parts of Ammopiptanthus mongolicus.. The chemical constituents were isolated by various column chromatographic methods. The structures were identified by spectral data.. Ten compounds were isolated and identified as m-hydroxybenzoic acid (1), 1-(4-hydroxyphenyl) ethanone (2), beta-sitosterol (3), (-)-syringaresinol (4), (+)-lariciresinol (5), blumenol A (6), blumenol B (7), beta-daucosterol (8), coniferin (9), syringin (10).. The ten compounds were obtained from the genus Ammopiptanthus for the first time.

Topics: Cinnamates; Cyclohexanones; Drugs, Chinese Herbal; Fabaceae; Glucosides; Magnetic Resonance Spectroscopy; Phenylpropionates; Plant Components, Aerial; Sitosterols

To study the major chemical constituents from the root tuber of Typhyonium flagelliforme.. Compounds were separated and purified with silica gel column and preparative HPLC, and their structures were elucidated on the basis of spectroscopic evidence (UV, IR, MS, NMR and 2D NMR).. Four compounds were identified as 1-O-beta-glucopyranosyl-2-[(2-hydroxyloctadecanoyl) amido]-4,8-octadecadiene-1,3-diol (1), coniferin (2), beta-sitosterol (3) and beta-daucosterol (4).. A cerebroside with significant antihepatotoxic activity and a phenylpropanoid glycoside were isolated from Typhyonium flagelliforme for the first time.

Topics: Araceae; Cinnamates; Glucosides; Molecular Conformation; Molecular Structure; Plant Roots; Plants, Medicinal; Sitosterols