多刺绿绒蒿的化学成分

从多刺绿绒蒿Meconopsis horridula Hook.f.et Thoms的全草中分离鉴定了13个化合物,分别为:木犀草素-7-O-β-D-葡萄糖苷(1)、山奈酚-3-O-β-D-葡萄糖( 1→2)-β-D-葡萄糖苷(2)、槲皮素-3-O-β-D-半乳糖(1→6)-β-D-葡萄糖苷(3)、小麦黄素-7-O-β-D-葡萄糖苷(4)、山奈酚-3-O-β-D-葡萄糖(5)、桂皮酰胺(6)、对羟基桂皮酰胺对羟基苯乙胺(7)、小麦黄素(8)、木犀草素(9)、槲皮素(10)、芹菜素(11)、山奈酚-4'-甲醚(12)、山奈酚(13).其中化合物1、5、6、7、12、13为首次从该属中分离得到,化合物2、3、4为首次从该植物中分离得到.     

Two new flavone glycosides from the seeds of Impatiens balsamina L

Two new flavone glycosides were isolated from the seeds of Impatiens balsamina L. and their structures were determined as quercetin-3-O-[α-L-rhamnose-(1 → 2)-β-d-glucopyranosyl]-5-O-β-D-glucopyranoside (1), and quercetin-3-O-[(6'-O-caffeoyl)-α-L-rhamnose-(1 → 2)-β-D-glucopyranosyl]-5-O-β-D-glucopyranoside (2) on the basis of various spectral and chemical studies.     

延龄草化学成分的分离与鉴定

目的研究延龄草(Trillium tschonoskii Maxim.)根及根茎的化学成分。方法利用硅胶柱色谱、凝胶柱色谱、ODS(反相C18键合硅胶)柱色谱、高效液相色谱等色谱技术对延龄草的化学成分进行分离和纯化,通过理化性质和NMR等波谱数据分析确定化合物的结构。结果从延龄草根及根茎70%(φ)乙醇提取物中分离得到11个已知成分,分别确定为重楼皂苷Ⅵ(chonglouosideⅥ,1)、偏诺皂苷元-3β-O-α-L-吡喃鼠李糖基-(1→4)-[O-α-L-吡喃鼠李糖基-(1→2)]-O-β-D-吡喃葡萄糖苷(penogenin-3β-O-α-L-rhamnopyranosyl-(1→4)-[O-α-L-rhamnopyranosyl-(1→2)]-O-β-D-glu-copyranoside,2)、重楼皂苷Ⅶ(chonglouosideⅦ,3)、偏诺皂苷元-3β-O-β-D-吡喃葡萄糖基-(1→6)-[O-α-L-吡喃鼠李糖基-(1→2)]-O-β-D-吡喃葡萄糖苷(trikamsteroside B,4)、(25S)-27-羟基偏诺皂苷元-3β-O-α-L-吡喃鼠李糖基-(1→2)-O-β-D-吡喃葡萄糖苷((25S)-27-hydroxypenogenin-3β-O-α-L-rhamnopyranosyl-(1→2)-O-β-D-glucopyranoside,5)、(25S)-27-羟基偏诺皂苷元-3β-O-α-L-吡喃鼠李糖基-(1→4)-[O-α-L-吡喃鼠李糖基-(1→2)]-O-β-D-吡喃葡萄糖苷((25S)-27-hydroxypenogenin-3β-O-α-L-rhamnopyranosyl-(1→4)-[O-α-L-rhamnopyranosyl-(1→2)]-O-β-D-glucopyranoside,6)、(25S)-27-羟基偏诺皂苷元-3β-O-α-L-吡喃鼠李糖基-(1→4)-O-α-L-吡喃鼠李糖基-(1→4)-[O-α-L-吡喃鼠李糖基-(1→2)]-O-β-D-吡喃葡萄糖苷(polyphyllosideⅢ,7)、(23S,24S,25S)-螺甾-5-烯-1β,3β,21,23,24-五羟基-1β-O-β-D-呋喃芹糖基-(1→3)-O-α-L-吡喃鼠李糖基-(1→2)-[O-β-D-吡喃木糖基-(1→3)]-O-α-L-吡喃阿拉伯糖苷(trikamsteroside E,8)、3β-O-α-L-rhamnopyranosyl-(1→2)-O-β-D-glucopyranosylhomo-aro-cholest-5-ene-26-O-β-D-glucopyranoside(parispseudoside B,9)、3β-O-α-L-rhamnopyranosyl-(1→4)-[O-α-L-rhamnopyranosyl-(1→2)]-O-β-D-glucopyranosylhomo-aro-cholest-5-ene-26-O-β-D-glucopyranoside(aethioside A,10)、3β-O-α-L-rhamnopyranosyl-(1→4)-O-α-L-rham-nopyranosyl-(1→4)-[O-α-L-rhamnopyranosyl-(1→2)]-O-β-D-glucopyranosylhomo-aro-cholest-5-ene-26-O-β-D-glucopyranoside(parispseudoside A,11)。结论化合物9-11为首次从百合科植物中分离得到,7为首次从延龄草属植物中分离得到,4-6、8为首次从延龄草中分离得到。     

黑种草子化学成分研究

从民族药黑种草子(Semen nigellae)中分离得到七个化合物,其中两个为新化合物,分别命名为黑种草甙(nigeglanoside)和黑种草糖(nigelancae)。经理化常数测定和光谱解析确定其结构分别为山萘酚-3-O-β-D-吡喃半乳糖基(1→3)-β-D-吡喃葡萄糖基(1→3)-β-D-吡喃葡萄糖甙和2-O-α-D-吡喃半乳糖基(1→4)-β-D-吡喃葡萄糖基-β-D-呋喃果糖甙。另外五个已知化合物分别为附子碱的氯化物(fuzitinechloride)、常春藤皂甙、蔗糖(sucrose)、β-谷甾醇(β-sitosterol)和环劳顿醇(cyclolandenol)。     

Two new steroidal saponins from the biotransformation product of the rhizomes of Dioscorea nipponica

Two new steroidal saponins, dioscins E (1) and F (2), along with nine known steroidal saponins, were isolated from the biotransformation product of the rhizomes of Dioscorea nipponica using Aspergillus oryzae. The structures of new compounds were established as 25(R)-spirost-5-en-21β-methyl-3β-ol-3-O-α-L-rhamnopyranosyl-(1 → 4)-β-D-glucopyranoside (1) and (25R)-spirost-5-en-3β-ol-7-one 3-O-α-L-rhamnopyranosyl-(1 → 4)-β-D-glucopyranoside (2) by detailed spectroscopic analyses including 1D and 2D NMR spectral data ((1)H-(1)H COSY, HSQC, and HMBC) and MS spectrometry.     

黄腊果果皮化学成分的分离与鉴定

目的研究黄腊果果皮的化学成分。方法采用反复硅胶柱色谱法、Sephadex LH-20柱色谱法、重结晶和HPLC等方法进行分离纯化,并通过NMR技术鉴定其化学结构。结果从黄腊果中分离得到8个化合物,分别鉴定为:3-羟基-2-甲基-4-吡喃酮(3-hydroxy-2-methyl-4-pyrone,1)、芥子醛(sinapaldehyde,2)、2-甲基-4-吡喃酮-3-O-β-D-吡喃葡萄糖苷(2-methyl-4-pyrone-3-O-β-D-glucopyr-anoside,3)、3,5-二甲氧基-4-羟基苯甲酸-7-O-β-D-葡萄糖苷(3,5-dimethoxyl-4-hydroxybenzoic acid-7-O-β-D-glucopyranoside,4)、胡萝卜苷(daucosterol,5)、β-谷甾醇(sitosterol,6)、3-O-α-L-吡喃鼠李糖-(1→2)-α-L-吡喃阿拉伯糖-30-降甲基齐墩果-12,20(29)-二烯-28-羧酸(3-O-α-Lrhamnopyrano-syl-(1→2)-α-L-arabinopyranosyl-30-norolean-12,20(29)-dien-28-oic acid,7)、3-O-β-D-吡喃葡萄糖-(1→3)-α-L-吡喃鼠李糖-(1→2)-α-L-吡喃阿拉伯糖-30-降甲基齐墩果-12,20(29)-二烯-28-羧酸(3-O-β-D-glucopyranosyl-(1→3)-α-L-rhamnopyranosyl-(1→2)-α-D-glucopyranosyl-(1→3)-α-L-arabi-nopyranosyl-30-norolean-12,20(29)-dien-28-oic acid,8)。结论化合物1-4为首次从木通科植物中分离得到,化合物6-8为首次从黄腊果中分离得到。     

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。     

中药黄蜀葵花化学成分的分离与鉴定（III）

目的 研究中药黄蜀葵（Abelmoschus manihot (L.）Medic)花的化学成分。方法 采用正相硅胶、反相ODS、Sephadex LH-20等柱色谱以及HPLC等手段进行分离纯化,并通过理化性质与光谱分析方法鉴定了化合物的结构。结果 从黄蜀葵花体积分数为95%的乙醇提取物中分离鉴定了9个化合物,分别为棉皮素 8-O-β-D-葡萄糖醛酸苷（gossypetin 8-O-β-D-glucuronide,1）、棉皮素 3-O-β-葡萄糖-8-O-β-葡萄糖醛酸（gossypetin 3-O-β-glucopyranoside-8-O-β-glucuronopyranoside,2）、棉皮素 3'-O-β-D-葡萄糖苷（gossypetin 3'-O-β-D-glucopyranoside,3）、tiliroside（4）、山奈酚3-O-[(3"-O-乙酰基-6"-O-(E)-对羟基桂皮酰基)]-β-D-葡萄糖苷（kaempferol 3-O-[3"-O-acetyl -6"-O-(E)-p-coumaroyl)]-β-D-glucopyranoside,5）、槲皮素 3-O-[β-D-木糖基(1→2)-a-L-鼠李糖基(1→6)]-β-D-半乳糖苷（quercetin 3-O-[β-D-xylopyranosyl(1→2)-a-L-rhamnopyranosyl(1→6)-β-D-galactopyranoside,6）、4-羟基苯甲酸 β-D-葡萄糖酯（4-hydroxybenzoic acid β-D-glucose ester,7）、原儿茶酸（protocatechuic acid,8）、原儿茶酸 3-O-β-D-葡萄糖苷（protocatecheuic acid 3-O-β-D-glucoside,9)。结论 其中化合物2、4-9为首次从秋葵属中分离得到,并首次报道了化合物5、6、9在DMSO-d₆中的光谱数据。     

Two new saponins from Thalictrum fortunei

Two new cycloartane glycosides were isolated from the aerial parts of Thalictrum fortunei (Ranunculaceae). The chemical structures of these compounds were elucidated as 3-O-β-D-glucopyranosyl (1 → 4)-β-d-fucopyranosyl-(22S,24Z)-cycloart-24-en-3β,22,26,30-tetraol 26-O-β-D-glucopyranoside and 3-O-β-D-glucopyranosyl (1 → 4)-β-D-fucopyranosyl-(22S,24Z)-cycloart-24-en-3β,22,26,29-tetraol 26-O-β-D-glucopyranoside by extensive 1D and 2D NMR methods, HR-ESI-MS, and hydrolysis. Their cytotoxic activities toward human hepatoma Bel-7402 cells, human colon carcinoma LoVo cells, and human non-small-cell lung cancer NCIH-460 cells were evaluated by MTT assay, respectively.     

卢旺达产金盏菊花化学成分研究Ⅱ

目的对卢旺达产金盏菊(Calendula officinalis L)的化学成分进行研究,为进一步开发利用该植物资源提供依据。方法采用大孔吸附树脂、葡聚糖凝胶Sephadex LH-20等柱色谱及制备型高效液相色谱等方法进行分离纯化,并通过理化性质与波谱学数据相结合的方法鉴定化合物的结构。结果从金盏菊中分离鉴定了6个单体成分,分别为金盏菊苷A(1,calendnoside A)、异鼠李素(2,isorhamnetin)、异鼠李素3-O-β-D-吡喃葡萄糖苷(3,isorhamnetin 3-O-β-D-glucopyranoside)、异鼠李素3-O-(6″-乙酰基)-β-D-吡喃葡萄糖苷(4,isorhamnetin 3-O-(6″-acetyl)-β-D-glucopyranoside)、异鼠李素3-O-β-D-呋喃洋芹糖基(1→2)-β-D-吡喃葡萄糖苷(5,isorhamnetin 3-O-β-D-apiofuranosyl(1→2)-β-D-glucopyranoside)和isorhamnetin 3-O-(2-O-β-xylopyranosyl-6-O-β-rhamnopyranosyl)-β-glucopyranoside(6)。结论化合物1为新化合物,化合物4⁶为首次从金盏菊属植物中分离得到。     

火绒草黄酮类成分的分离与鉴定(Ⅱ)

目的对火绒草的化学成分进行研究,为进一步开发利用该植物资源提供依据。方法采用反复正相硅胶、反相ODS、Sephadex LH-20等柱色谱以及高效液相色谱法等手段进行分离纯化,并通过理化性质与光谱分析鉴定化合物的结构。结果从火绒草体积分数为70%的乙醇溶液提取物中又分离鉴定了7个黄酮类化合物,分别为芹菜素(apigenin,1)、山柰酚-3-O-(6″-O-乙酰基)-β-D-吡喃葡萄糖苷[kaempferol-3-O-(6″-O-acetyl)-β-D-glucopyranoside,2]、山柰酚-3-O-(6″-O-反式对香豆酰基)-β-D-吡喃葡萄糖苷[kaempferol-3-O-(6″-O-trans-p-coumaroyl)-β-D-glucopyranoside,3]、山柰酚-3-O-(6″-O-顺式对香豆酰基)-β-D-吡喃葡萄糖苷[kaempferol-3-O-(6″-O-cis-p-coumaroyl)-β-D-glucopyranoside,4]、槲皮素-7-O-β-D-吡喃葡萄糖苷(quercetin-7-O-β-D-glucopyranoside,5)、槲皮素-3-甲氧基-7-O-β-D-吡喃葡萄糖苷(quercetin-3-me-thoxy-7-O-β-D-glucopyranoside,6)、槲皮万寿菊素-7-O-β-D-吡喃葡萄糖苷(quercetagetin-7-O-β-D-glucopyranoside,7)。结论化合物1为首次从火绒草植物中分离得到,化合物2～7为首次从火绒草属植物中分离得到。     

Two new anthraquinone glycosides from the roots of Rheum palmatum

Two new anthraquinone glycosides, named 1-methyl-8-hydroxyl-9,10-anthraquinone-3-O-β-D-(6'-O-cinnamoyl)glucopyranoside (1) and rhein-8-O-β-D-[6'-O-(3'-methoxyl malonyl)]glucopyranoside (2), have been isolated from the roots of Rheum palmatum, together with seven known compounds, rhein-8-O-β-D-glucopyranoside (3), physcion-8-O-β-D-glucopyranoside (4), chrysophanol-8-O-β-D-glucopyranoside (5), aleo-emodin-8-O-β-D-glucopyranoside (6), emodin-8-O-β-D-glucopyranoside (7), aleo-emodin-ω-O-β-D-glucopyranoside (8), and emodin-1-O-β-D-glucopyranoside (9). Their structures were elucidated on the basis of chemical and spectral analysis.     

New triterpenoid saponins from Patrinia scabiosifolia

Phytochemical investigation of methanol extract from the whole plants of Patrinia scabiosifolia Fisch. resulted in the isolation of three new triterpenoid saponins (1-3) along with twelve known triterpenoids (4-15). The structures of the new compounds were established as 11α, 12α-epoxy-3-O-β-D-xylopyranosyl-olean-28, 13β-olide (1), 11α, 12α-epoxy-3-O-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-β-D-xylopyranosyl-olean-28, 13β-olide (2), and 3-O-β-D-xylopyranosyl-(1 → 3)-α-L-rhamnopyranosyl-(1 → 2)-β-D-xylopyranosyl oleanolic acid 28-O-β-D-glucopyranoside (3) on the basis of various spectroscopic analyses (including different 1D and 2D NMR spectroscopies and high-resolution electrospray ionization mass spectrometry) and chemical evidences.     

沙生蜡菊花降脂活性部位化学成分的分离与鉴定(Ⅱ)

目的沙生蜡菊花降脂活性部位中的化学成分研究。方法采用硅胶、ODS、制备HPLC等多种色谱方法分离纯化,依据理化性质、波谱数据分析进行结构鉴定。结果从沙生蜡菊花的降脂活性部位中分离得到11个化合物,并分别鉴定为:丁香苷(syringin,1)、二氢丁香苷(dihydrosyringin,2)、(E)-4-hydroxybenzalacetone-3-O-β-D-glucopyranoside(3)、4-烯丙基-2-甲氧基苯基1-O-β-D-呋喃芹糖(1-6)-β-D-吡喃葡萄糖苷[4-allyl-2-methoxyphenyl 1-O-β-D-apiofuranosyl-(1-6)-O-β-D-glu-copyranoside,4]、苔黑酚-β-D-吡喃葡萄糖苷(orcinol-β-D-glucopyranoside,5)、7-hydroxy-5-me-thoxyphthalide-7-O-β-D-glucopyranoside(6)、5,7-dihydroxyphthalide-7-O-β-D-glucopyranoside(7)、undulatoside A(8)、adenosine(9)、maltol-3-O-β-D-apiofuranosyl-(1-6)-β-D-glucopyranoside(10)、2,4,6-三羟基苯乙酮-2,4-二-O-β-D-吡喃葡萄糖苷(2,4,6-trihydroxylacetophenone-2,4-di-O-β-D-glu-copyranoside,11)。结论化合物1～11均为首次从蜡菊属植物中分离得到。     

半枝莲化学成分的分离与鉴定(Ⅱ)

目的对中药半枝莲(Scutellaria barbata D.Don)全草的化学成分进行研究。方法应用大孔吸附树脂、正相硅胶、反相ODS、Sephadex LH-20以及制备型高效液相等色谱法对中药半枝莲的化学成分进行分离,并通过理化性质和光谱数据对化合物的结构进行鉴定。结果分离鉴定了7个化合物,分别为槲皮素(quercetin,1)、野黄芩素(suctellarein,2)、6,7,4'-三羟基黄酮-5-O-β-D-葡萄糖苷(6,7,4'-trihydroxyflavone-5-O-β-D-glucopyranoside,3)、芦丁(rutin,4)、商陆苷(5,ombuoside)、1-O-3,4-(dihydroxyphenyl)ethyl-α-L-rhamnopyranosyl(1→2)-4-O-caffeoyl-β-D-glucopyranoside(6)、staphylionoside D(7)。结论化合物3、5～7为首次从半枝莲植物中分离得到。     

高效液相色谱校正因子法测定苦碟子提取物中5种主要成分的含量

目的通过测定苦碟子提取物中咖啡酸、菊苣酸、木犀草素-7-O-β-D-葡萄糖苷-(1→6)-β-D-葡萄糖苷、芹菜素-7-O-β-D-葡萄糖醛酸苷与木犀草素-7-O-β-D-葡萄糖醛酸苷的校正因子,建立以1种对照品测定苦碟子提取物中5种主要成分的含量的方法。方法以Agilent TC-C18(250 mm×4.6 mm,5μm)为分析柱,柱温30℃,流动相为甲醇(A)-0.05%磷酸(B),梯度洗脱:0~10 min:30%A,10~30 min:30%~50%A,流速1.2 mL.min-1,检测波长350 nm。结果咖啡酸、菊苣酸、木犀草素-7-O-β-D-葡萄糖苷-(1→6)-β-D-葡萄糖苷、芹菜素-7-O-β-D-葡萄糖醛酸苷的校正因子分别为:1.129、0.873 3、1.320、1.129(RSD=1.6%~2.1%),苦碟子提取物中咖啡酸、菊苣酸、木犀草素-7-O-β-D-葡萄糖苷-(1→6)-β-D-葡萄糖苷、木犀草素-7-O-β-D-葡萄糖醛酸苷与芹菜素-7-O-β-D-葡萄糖醛酸苷的含量分别为4.2%、29.5%、6.5%、23.0%、5.0%。结论本法简便,灵敏,重现性好,可用于苦碟子提取物和制剂的定量分析及质量控制。     

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.     

药用大黄中蒽醌和非蒽醌类成分的分离与鉴定

目的对药用大黄中蒽醌及非蒽醌类成分进行深入研究。方法药用大黄80%(φ)乙醇溶液提取物经硅胶柱、ODS柱、MCI gel CHP20、SephadexLH-20凝胶柱色谱及HPLC色谱分离,纯化,根据理化性质和波谱数据进行结构鉴定。结果分离得到6个蒽醌类和5个非蒽醌类成分,经波谱数据解析,分别鉴定为香兰基丙酮(vanillylacetone,1)、大黄素(emodin,2)、芦荟大黄素(aloeemodin,3)、大黄素甲醚-8-O-β-D-葡萄糖苷(physcion-8-O-β-D-glucopyranoside,4)、大黄酚-8-O-β-D-葡萄糖苷(chrysophanol-8-O-β-D-glucopyranoside,5)、1-甲基-8-羟基-9,10-蒽醌-3-O-β-D-(6'-O-桂皮酰基)吡喃葡萄糖苷(1-methyl-8-hydroxyl-9,10-anthraquinone-3-O-β-D-(6'-O-cinnamoyl)glucopyrano-side,6)、芦荟大黄素-3-(羟甲基)-O-β-D-葡萄糖苷(aloe emodin-3-(hydroxymethyl)-O-β-D-glucopy-ranoside,7)、(+)儿茶素(catechin,8)、表儿茶素没食子酸酯(epicatechin-3-O-gallate,9)、儿茶素-3-O-β-D-葡萄糖苷(catechin-3-O-β-D-glucopyranoside,10)、儿茶素-8-β-D-葡萄糖苷(catechin-8-β-D-glucopyranoside,11)。结论化合物1,6,9-11为首次从该植物中分离。     

鸡血藤化学成分的分离与结构鉴定

目的对中药鸡血藤(Spatholobus suberectus Dunn)中化学成分进行分离及结构鉴定。方法采用正相硅胶、反相ODS、Sephadex LH-20等柱色谱及高效液相色谱等手段进行分离纯化,并通过理化性质与波谱分析方法鉴定了化合物的结构。结果从鸡血藤体积分数为95%的乙醇提取物中分离鉴定了9个单体成分,分别为blumenol A(1)、(6S,7E,9R)-roseoside(2)、(6S,7E,9R)-6,9-dihydroxy-4,7-megastigman-3-one-9-O-[α-L-arabinopyranosyl-(1→6)-(β-D-glucopyranoside](3)、7S,8R-erythro-4,9,9'-trihydroxy-3,3'-dimethoxy-8-O-4'-neolignan-7-O-β-D-glucopyranoside(4)、(7S,8R)-dihydrodehydrodiconiferyl alcohol-4-O-(β-D-glucopyranoside(5)、(7S,8R)-3,3',5-trimethoxy-4',7-epoxy-8,5'-neolignan-4,9,9'-triol(6)、次黄苷(hypoxanthine-9-β-D-ribofuranoside,7)、烟酸(nicotinic acid,8)和丁二酸(amber acid,9)。结论其中2-8均为首次从密花豆属中分离得到的化合物。     

Sesquiterpenoid and phenolic glucoside gallates from Lagerstroemia balansae

Three new compounds, including a sesquiterpenoid glucoside gallate, 2 Z,4 E,1' R,2' S,4' R,6' S-dihydrophaseic acid 4'-O-(6'-O-galloyl)-β-D-glucopyranoside (1), two new phenolic glucoside gallates, 4-hydroxy-3,5-dimethoxybenzoic acid 4-O-(6'-O-galloyl)-β-D-glucopyranoside (2) and 3,4-dimethoxyphenol 1-O-(6'-O-galloyl)-β-D-glucopyranoside (3), together with eight known compounds (4-11), have been isolated from the stems of Lagerstroemia balansae. Their structures were elucidated on the basis of chemical and spectroscopic evidences.