A new jatrophane diterpenoid ester (2S, 3S, 4R, 5R, 7S, 8R, 13R, 15R) - 3, 5, 7, 8, 15- pentaacetoxy-9, 14-dioxojatropha-6(17), 11E-diene was isolated from the whole plant of Euphorbia turczaninowii Kar. & Kit.. ...A new jatrophane diterpenoid ester (2S, 3S, 4R, 5R, 7S, 8R, 13R, 15R) - 3, 5, 7, 8, 15- pentaacetoxy-9, 14-dioxojatropha-6(17), 11E-diene was isolated from the whole plant of Euphorbia turczaninowii Kar. & Kit.. Its structure was characterized by spectral analysis and confurmed by X-ray crystallographic analysis.展开更多
A new neolignan glycoside, 4-O-β-d-glucopyranosyl-9-O-β-d-glucopyranosyl-(7R,8S)-dehydrodiconiferyl alcohol was isolated from the fresh roots of Angelica dahurica. The structure of the new compound was elucidated on...A new neolignan glycoside, 4-O-β-d-glucopyranosyl-9-O-β-d-glucopyranosyl-(7R,8S)-dehydrodiconiferyl alcohol was isolated from the fresh roots of Angelica dahurica. The structure of the new compound was elucidated on the basis of spectral analysis.展开更多
A new bicyclic spiroketone was isolated from the bud of Chrysanthemum indicum L. The chemical structure was elucidated as (1R, 9S, 10S)-10-hydroxyl-8 (2', 4'-diynehexylidene)- 9-isovaleryloxy-2, 7-dioxaspiro [5,...A new bicyclic spiroketone was isolated from the bud of Chrysanthemum indicum L. The chemical structure was elucidated as (1R, 9S, 10S)-10-hydroxyl-8 (2', 4'-diynehexylidene)- 9-isovaleryloxy-2, 7-dioxaspiro [5, 4] decane based on the X-ray crystallography.展开更多
(7R,8S)-脱氢双松柏醇-4,9-双-O-β-D-吡喃葡萄糖苷是从中药北沙参(Glehnia litto-ralisFr.Schmidt ex Miquel)醇提取物中分离得到的一种苯并二氢呋喃新木脂素苷类化合物.通过化学方法和波谱分析鉴定了该化合物的结构.采用2D NMR技术对...(7R,8S)-脱氢双松柏醇-4,9-双-O-β-D-吡喃葡萄糖苷是从中药北沙参(Glehnia litto-ralisFr.Schmidt ex Miquel)醇提取物中分离得到的一种苯并二氢呋喃新木脂素苷类化合物.通过化学方法和波谱分析鉴定了该化合物的结构.采用2D NMR技术对其1H和13C NMR信号进行了全归属.展开更多
文摘A new jatrophane diterpenoid ester (2S, 3S, 4R, 5R, 7S, 8R, 13R, 15R) - 3, 5, 7, 8, 15- pentaacetoxy-9, 14-dioxojatropha-6(17), 11E-diene was isolated from the whole plant of Euphorbia turczaninowii Kar. & Kit.. Its structure was characterized by spectral analysis and confurmed by X-ray crystallographic analysis.
文摘A new neolignan glycoside, 4-O-β-d-glucopyranosyl-9-O-β-d-glucopyranosyl-(7R,8S)-dehydrodiconiferyl alcohol was isolated from the fresh roots of Angelica dahurica. The structure of the new compound was elucidated on the basis of spectral analysis.
文摘A new bicyclic spiroketone was isolated from the bud of Chrysanthemum indicum L. The chemical structure was elucidated as (1R, 9S, 10S)-10-hydroxyl-8 (2', 4'-diynehexylidene)- 9-isovaleryloxy-2, 7-dioxaspiro [5, 4] decane based on the X-ray crystallography.