太白米生物碱甙的化学研究

从草药太白米中分得四个甾体生物碱甙及其甙元茄次碱(solanidine)。鉴定了甙Ⅰ和甙Ⅱ的结构。甙Ⅲ(hyacinthoside)为新甙,用光谱方法推断了结构。甙Ⅳ的结构有待测定。     

太白木忽木根皮中三萜皂甙成分研究

从太白木忽木(Aralia taibaiensis Z.Z.WangetH.C.Zheng)根皮中首次分离到四个三萜皂甙,根据理化性质和光谱数据,分别鉴定为齐墩果酸-3-O-[β-D-吡喃木糖(1→2)][β-D-吡喃葡萄糖(1→3)]-β-D-吡喃葡萄糖醛酸甙(1),tarasaponinV(2),3-O-｛β-D-吡喃木糖(1→2)[β-D-吡喃葡萄糖(1→3)]-β-D-吡喃葡萄糖醛酸乙酯｝-齐墩果酸-28-O-β-D-吡喃葡萄糖甙(3)和3-O-｛β-D-吡喃木糖(1→2)[β-D-吡喃葡萄糖(1→3)]-β-D-吡喃葡萄糖醛酸丁酯｝-齐墩果酸-28-O-β-D-吡喃葡萄糖甙(4)。1为新天然产物,3和4为新化合物,分别命名为太白木忽木皂甙VI(taibaienosideVI)、太白木忽木皂甙VII(taibaienoside VII)和太白木忽木皂甙VII(taibaienoside VII)。     

太白Song木根皮的三萜皂甙成分研究

从太原song木（Sralia taibaiensis Z.Z.Wang et H.C.Zheng)根皮中首次分离得到四个三萜皂甙，根据理化性质和光谱数据，分别鉴定为齐墩果酸－3－O－[β－D－吡喃木糖1－→2）][β-D-吡喃葡萄糖（1→3)]-β-D-吡喃葡萄糖醛酸甙（1），tarasaponin V(2),3-O-{[β-D-吡喃木糖（1→2）][β-D-吡喃葡萄糖（1→3）]-β-D吡喃葡萄糖醛酸乙酯}－齐墩果酸－28－O－β－D－吡喃葡萄糖甙（3）和3－O－{[β=D 吡喃木糖（1→2)][β－D吡喃葡萄糖（1→）]-β-D吡喃葡萄糖醛酸丁酯}－齐墩果酸28－O－β－D－吡喃葡萄糖甙（4），1为新天然产物，3和4为新化合物，分别命名为太白Song木皂甙VI（taibaienoside VI),太白Song木皂甙Ⅶ（taibaienosideⅦ)和太白Song木皂甙Ⅷ（taibaienosideⅧ)。     

太白楤木根皮的齐墩果酸皂甙

从太白楤木(Aralia taibaiensis Z.Z.Wang et H.C.Zheng)根皮中首次分离到5个齐墩果酸皂甙,根据理化性质和光谱数据,分别鉴定为木皂甙A(1),3-O-[α-L-呋喃阿拉伯糖(1→4)-β-D-吡喃葡萄糖醛酸丁酯]-齐墩果酸-28-O-β-D-吡喃葡萄糖甙(2),3-O-[α-L-呋喃阿拉伯糖(1→4)-β-D-吡喃葡萄糖醛酸乙酯]-齐墩果酸-28-O-β-D-吡喃葡萄糖甙(3),屏边三七甙R₂(4)和3-O-｛β-D-吡喃葡萄糖(1→3)[α-L-呋喃阿拉伯糖(1→4)]-β-D-吡喃葡萄糖醛酸乙酯｝-齐墩果酸-28-O-β-D-吡喃葡萄糖甙(5)。2,3和5为新化合物,分别命名为太白楤木皂甙I(taibaienoside I)、太白楤木皂甙II(taibaienoside II)和太白楤木皂甙III(taibaienoside III)。     

槲寄生化学成分的研究——Ⅲ.槲寄生新甙Ⅲ,Ⅴ,Ⅵ的结构

自槲寄生(Viscum coloratum(Kom.) Nakai)中分离得到五个黄酮甙。经光谱和化学分析确定Ⅰ为异鼠李素-3-O-β-D-葡萄糖甙,Ⅱ为异鼠李素-7-O-β-D-葡萄糖甙,Ⅲ为高圣草素-7-O-β-D-芹菜糖基(1→2)-β-D-葡萄糖甙;Ⅴ为高圣草素-7-O-β-D-芹菜糖(1→5)-β-D-芹菜糖(1→2)-β-D-葡萄糖甙;Ⅵ为高圣草素-7-O-β-D-(6″-乙酰)-葡萄糖甙。化合物Ⅲ,Ⅴ,Ⅵ为三个新的双氢黄酮甙,分别命名为槲寄生新甙Ⅲ(viscumneoside Ⅲ),槲寄生新甙Ⅴ(viscumneoside Ⅴ)和槲寄生新甙Ⅵ(viscumneoside Ⅵ)。Ⅰ和Ⅱ亦系首次从该植物中发现。     

槲寄生化学成分的研究——Ⅲ.槲寄生新甙Ⅲ,Ⅴ,Ⅵ的结构

自槲寄生(Viscum coloratum(Kom.) Nakai)中分离得到五个黄酮甙。经光谱和化学分析确定Ⅰ为异鼠李素-3-O-β-D-葡萄糖甙,Ⅱ为异鼠李素-7-O-β-D-葡萄糖甙,Ⅲ为高圣草素-7-O-β-D-芹菜糖基(1→2)-β-D-葡萄糖甙;Ⅴ为高圣草素-7-O-β-D-芹菜糖(1→5)-β-D-芹菜糖(1→2)-β-D-葡萄糖甙;Ⅵ为高圣草素-7-O-β-D-(6″-乙酰)-葡萄糖甙。化合物Ⅲ,Ⅴ,Ⅵ为三个新的双氢黄酮甙,分别命名为槲寄生新甙Ⅲ(viscumneoside Ⅲ),槲寄生新甙Ⅴ(viscumneoside Ⅴ)和槲寄生新甙Ⅵ(viscumneoside Ⅵ)。Ⅰ和Ⅱ亦系首次从该植物中发现。     

黄甘草化学成分的研究

本文首次报道自豆科甘草属黄甘草Glycyrrhiza eurycarpa P.C.Li(G.Korshinskyi non Grig.)根及根茎中分得四个黄酮甙,根据理化性质及光谱数据(IR,UV,MS,¹HNMR,¹³CNMR及CD),化合物Ⅰ的结构推定为芒柄花素-7-O-[D-β-D-呋喃芹糖基(1→2)]-β-D-吡喃葡萄糖甙(formononetin-7-O-[D-apio-β-D-furanosyl(1→2)]-β-D-glucopyranosidc),为一新天然产物,命名为黄甘草甙(glycyrosidc,Ⅰ)。化合物Ⅱ,Ⅲ,Ⅳ分别鉴定为甘草甙(liquiritin,Ⅱ)、异甘草甙(isoliquiritin,Ⅲ)和夏佛托甙(schaftoside,Ⅳ)。     

藏药独一味根化学成分的研究

继前报从藏药独一味(Lamiophlomisrotatakudo)根的正丁醇提取物中分离得到两个甙类成分。经化学和光谱分析,两个化合物的结构分别鉴定为3-羟基-4-甲氧基苯乙基-O-[α-L-吡喃鼠李糖(1→3)]-O-[β-D-呋喃芹菜糖(1→6)]-4-O-阿魏酰基-β-D-吡喃葡萄糖甙(1)和3-甲氧基-4-羟基苯乙基-O-[α-L-吡喃鼠李糖(1→3)]-O-[β-D-呋喃芹菜糖(1→6)]-4-O-阿魏酰基-β-D-吡喃葡萄糖甙(2),后者为一新化合物,命名为独一味甙A(lamiophlomiosideA)。     

水蔓菁中黄酮类化合物的研究

从民间草药玄参科植物水蔓菁[Veronica linariifolia Pall. ex Link. sub dilatata(Nakai et Litagawa)Hong.]的干燥全草的乙醇提取物中分离得到三个黄酮甙和两个黄酮甙元,其中甙Ⅰ是新化合物,命名为水蔓菁甙(linariifolioside)。根据光谱数据和水解产物分析确定甙Ⅰ的结构为木犀草素-7-O-6″′-O-乙酰基-β-D-葡萄糖基-(1→2)-β-D-葡萄糖甙[luteolin-7-O-6″′-O-acetyl-β-D-glucosyl-(1→2)-β-D-glucoside]。另外甙Ⅱ,甙Ⅲ以及两个甙元为已知物,分别为木犀草素-7-O-β-D-葡萄糖基(1→2)-β-D-葡萄糖甙[luteolin-7-O-β-D-glucosyl(1→2)-β-D-glucoside,Ⅱ]和芹黄素-7-O-x-L-鼠李糖甙(apigenin-7-O-α-L-rhamnoside,Ⅲ)、以及木犀草素(luteolin,Ⅳ)和芹黄素(apigenin,Ⅴ)。这些化合物在水蔓菁中均是首次得到。     

薤白中两种新甾体皂甙成分

从中药薤白(Allium macrostemon Bunge)鳞茎中分得两种流的甾体皂甙,薤白甙甲(macrostemonoside A,1)和薤白甙丁(macrostemonoside D,2),通过光谱(IR,MS,~1HNMR,~(12)CNMR,~1H-~1H COSY和NOESY等)分析和衍生化研究,分别确定为:tigogenin-3-O-β-D-glucopyranosyl(1→2)[β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl(1→4)-β-D-galactopyranoside(1)和tigotenin-3-O-β-D-glucopyranosyl(1→2)[β-D-glucopyranosyl(1→3)(6-O-acetyl-β-D-glucopyranosyl)](1→4)-β-D-galactopyranoside(2)。     

Two new oleanane-type pentacyclic triterpenoid saponins from the husks of Xanthoceras sorbifolia Bunge

Two new triterpenoid saponins (1, 2) and a known saponin (3) were isolated from the husks of Xanthoceras sorbifolia Bunge., and their structures were elucidated as 3-O-β-D-glucopyranosyl(1 → 6)-[angeloyl(1 → 2)]-β-D-glucopyranosyl-28-O-α-L-rhamnopyranosyl(1 → 2)-[β-D-glucopyranosyl(1 → 6)]-β-D-glucopyranosyl-21β,22α-dihydroxyl-olean-12-ene (1), 3-O-β-D-glucopyranosyl-28-O-[β-D-glucopyranosyl(1 → 2)]-β-D-glucopyranosyl-21β,22α-dihydroxyl-olean-12-ene (2), and 3-O-β-D-glucopyranosyl-28-O-[α-L-rhamnopyranosyl(1 → 2)]-β-D-glucopyranosyl-21β,22α-dihydroxyl-olean-12-ene (3), on the basis of the spectral analysis of NMR and chemical methods. Cytotoxic assay indicated that none of them showed obvious inhibitory effect on the proliferation of two human tumor cell lines.     

中国辽宁栽培西洋参化学成分的研究

中国辽宁栽培西洋参(Panax quinquefolius Linn)的总皂甙用低压硅胶柱和反相Rp18Labar柱层析分离得到18种化合物,用IR,MS(FD-MS,FAB-MS),¹³C-NMR及化学方法鉴定了16种化合物的化学结构;分别为棕榈酸(1),齐墩果酸(2),胡萝卜甙(daucosterin 3),人参皂甙-Rh₁(4),—Rg₃(5),—Rg₂(6),—Rg₁(7),—Rf(8),—Re(9),—Rd(10),—Rb₂(11),—Rb₁(12)、—R₀(13),蔗糖(14),人参三糖(15)及一种新皂甙(16),结构为:20(s)原人参二醇-3-[-O-β-D-吡喃糖基(1→2)β-D-葡萄吡喃糖基(1→2)β-D-葡萄吡喃糖基],20-[-O-β-D-葡萄吡喃糖基(1→6)β-D-葡萄吡喃糖甙,命名为人参皂甙-RAO(ginsenoside-RA₀)。化合物(4)和(5)系首次从西洋参中分离出的已知皂甙。     

C-27 and C-3 Glucosylation of Diosgenin by Cell Suspension Cultures of Costus Speciosus

Abstract

3-O-[β-D-glucopyranosyl-(1″ → 2′)-β-D-glucopyranosyl], 27-O-β-D-glucopyranosyl-(25R)-spirost-5-ene-3β,27-diol was isolated from cell suspension cultures of Costus speciosus, following incubation with diosgenin, and its structure was elucidated using a combination of one- and two-dimensional ¹H and ¹³C NMR spectral data, and positive and negative ion ESMS spectral data.     

Clematomandshurica saponin E, a new triterpenoid saponin from Clematis mandshurica

A new triterpenoid saponin, clematomandshurica saponin E, together with four known saponins were isolated and characterized from the roots and rhizomes of Clematis mandshurica (Ranunculaceae), a commonly used traditional Chinese medicine with anti-inflammatory and antirheumatoid activities. On the basis of spectroscopic analysis, including HR-ESI-MS, IR, 1D, and 2D NMR spectral data and hydrolysis followed by chromatographic analysis, the structure of the new triterpenoid saponin was elucidated as 3-O-α-L-rhamnopyranosyl-(1 → 6)-β-D-glucopyranosyl-(1 → 4)-β-D-glucopyranosyl-(1 → 4)-β-D-ribopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-α-L-arabinopyranosyl oleanolic acid 28-O-β-D-glucopyranosyl-(1 → 6)-β-D-glucopyranoside.     

维药斯亚旦化学成分研究

目的研究维药斯亚旦的化学成分。方法采用正相硅胶、ODS、Sephadex LH-20等柱色谱以及高效制备液相等手段进行分离纯化,并用化学方法和光谱方法鉴定了化合物的结构。结果从斯亚旦中分离鉴定了10个化合物,分别为:五加苷K(1)、常春藤皂苷元-3-O-α-L-鼠李糖基(1→2)-α-L-吡喃阿拉伯糖苷(2)、常春藤皂苷元-3-O-β-D-吡喃木糖基(1→3)-α-L-鼠李糖基(1→2)-α-L-吡喃阿拉伯糖苷(3)、quercetin-3-[6-ferulyl-β-D-glucopyranosyl(1→2)-β-D-glucopyranosyl(1→2)-β-D-glucopyrano-side](4)、quercetin-3-sophorotriosides(5)、quercetin-3-glucosyl(1→2)-galactosyl(1→2)-glucoside(6)、quercetin-3-(6-feruloylglu-cosyl)(1→2)-galactosyl(1→2)-glucoside(7)、3-O-α-L-吡喃鼠李糖-(1→2)-α-L-吡喃阿拉伯糖常春藤皂苷元-28-O-α-L-吡喃鼠李糖基(1→4)-β-D-吡喃葡萄糖基(1→6)-β-D-吡喃葡萄糖(8)、3-O-β-D-吡喃葡萄糖基(1→6)-吡喃鼠李糖基-(1→2)-α-L-吡喃阿拉伯糖常春藤皂苷元-28-O-α-L-吡喃鼠李糖基(1→4)-β-D-吡喃葡萄糖基(1→6)-β-D-吡喃葡萄糖苷(9)和芦丁(10)。结论化合物1,4,5为首次从黑种草属中分离得到,化合物6为首次从该种中分离得到。     

Three new flavone C-glycosides from the aerial parts of Paraquilegia microphylla

Three new flavone C-glycosides, paraquinins A-C, were isolated from the aerial parts of Paraquilegia microphylla (Royle) Dromm. et Hutch, a Tibetan medicine distributed in the Qinghai-Tibet plateau. On the basis of 1D and 2D NMR evidence, their structures were elucidated as acacetin-6-C-β-D-glucopyranosyl-(1 → 2)-β-D-glucopyranoside (1), acacetin-6-C-α-L-rhamnopyranosyl-(1 → 2)-β-D-glucopyranosyl-(1 → 2)-β-D-glucopyranoside (2), and acacetin-6-C-α-L-rhamnopyranosyl-(1 → 2)-(6'-O-E-feruloyl)-β-D-glucopyranosyl-(1 → 2)-β-D-glucopyranoside (3).     

东北铁线莲三萜皂苷对照品的制备

目的:制备一种用于东北铁线莲含量测定的三萜皂苷对照品。方法:采用大孔吸附树脂柱色谱和制备液相色谱进行分离,质谱和核磁共振波谱数据鉴定结构,高效液相色谱-蒸发光散射检测法测定纯度。结果:制备了符合含量测定用要求的三萜皂苷对照品3-O-α-L-吡喃鼠李糖基-(1→6)-β-D-吡喃葡萄糖基-(1→4)-β-D-吡喃葡萄糖基-(1→4)-β-D-吡喃核糖基-(1→3)-α-L-吡喃鼠李糖基-(1→2)-α-L-吡喃阿拉伯糖基齐墩果酸28-O-α-L-吡喃鼠李糖基-(1→4)-β-D-吡喃葡萄糖基-(1→6)-β-D-吡喃葡萄糖苷。结论:本试验结果可为东北铁线莲质量评价提供物质基础。     

A Pair of 24-hydroperoxyl Epimeric Dammarane Saponins from Flower-buds of Panax Ginseng

Abstract

Further investigation on the saponins of the flower-buds of Panax ginseng C. A. Meyer has resulted in the isolation and structural elucidation of a pair of new 24-epimers of dammarane type saponins named ginsenoside I and II. The structures of the epimers were characterized on the basis of chemical and spectral evidence as 3-O-[β-D-glucopyranosyl-(1 → 2)-β-D-glucopyranosyl]-20-S-O-β-D-glucopyranosyl-3β12β20(S)-trihydroxy-24ξ-hydroperoxydammar-25-ene, except for their C-24 configurations. Ginsenoside I is a new triterpene glycoside, and ginsenoside II is a known compound first isolated from a natural plant.     

白首乌化学成分研究

目的研究白首乌（Cynanchum bungei）的化学成分。方法通过多种色谱手段,对白首乌的脂溶性成分进行分离。根据化合物的波谱数据和理化常数对其进行结构鉴定。结果从白首乌中分离得到9个C21甾体苷化合物,分别为告达亭（1）、开德苷元（2）、青阳参苷元（3）、告达亭3-O-β-D-吡喃夹竹桃糖基-（1→4）-β-D-吡喃磁麻糖苷（4）、告达亭3-O-α-L-吡喃磁麻糖基-（1→4）-β-D-吡喃夹竹桃糖基-（1→4）-β-D-吡喃磁麻糖苷（5）、萝摩苷元3-O-α-L-吡喃磁麻糖基-（1→4）-β-D-吡喃磁麻糖基-（1→4）-α-L-2-脱氧毛地黄糖基-（1→4）-β-D-吡喃磁麻糖苷（白首乌苷B,6）、告达亭3-O-α-L-吡喃磁麻糖基-（1→4）-β-D-吡喃磁麻糖基-（1→4）-α-L-2-脱氧毛地黄糖基-（1→4）-β-D-吡喃磁麻糖苷（隔山消苷CIN,7）、告达亭3-O-β-D-葡萄糖基→（1→4）-α-L-吡喃磁麻糖基-（1→4）-β-D-吡喃磁麻糖基-（1→4）-α-L-2-脱氧毛地黄糖基-（1→4）-β-D-吡喃磁麻糖基苷（隔山消苷C1G,8）、开德苷元3-O-β-D-葡萄糖基-（1→4）,α-L-毗喃磁麻糖基-（1→4）-β-D-毗喃磁麻糖基．（1→4）-α-L-2-脱氧毛地黄糖基．（1→4）-β-D-吡喃磁麻糖基苷（白首乌苷A,9）。结论化合物3、4、5均为首次从本植物中分离得到。