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??OBJECTIVE To study the flavonoid glycosides of Urena lobata. METHODS Compounds were isolated and purified using various column chromatographies such as D101 macroporous adsorption resin, silica gel, Sephadex LH-20, and prep HPLC. Their structures were identified on the basis of their physicochemical properties and various spectroscopic experiments, including HRESIMS, ¹H-NMR, ¹³C-NMR, HSQC, and HMBC. RESULTS Ten flavonoid glycosides were obtained from the n-BuOH extract of U. lobata including quercetin-3-O-??-D-glucopyranosyl-(1??2)-??-D-galactopyranoside(1), kaempferol-3-O-??-D-glucopyranosyl-(1??2)-??-D-glucopyranosyl-7-O-??-L-rhamnopyranoside(2), quercetin-3-O-??-D-apiofuranosyl-(1??2)-??-D-glucopyranosyl-7-O-??-L-rhamnopyranoside(3), kaempferol-4'-O-??-D-apiofuranosyl-3-O-??-D-glucopyranosyl-7-O-??-L-rhamnopyranoside(4), kaempferol-3-O-??-D-apiofuranosyl-(1??2)-??-D-glucopyranosyl-7-O-??-L-rhamnopyranoside(5), quercetin-3-O-??-D-glucopyranosyl-7-O-??-L-rhamnopyranoside(6), quercetin-3-O-??-D-glucopyranosyl-(1??2)-??-D-glucopyranoside(7), kaempferol-3-O-??-L-rhamnopyranosyl-(1??6)-??-D-glucopyranosyl-(1??2)-??-D-glucopyranoside(8), kaempferol-3-O-??-D-glucopyranosyl-(1??2)-[??-L-rhamnopyranosyl-(1??6)]-??-D-glucopyranoside(9) and kaempferol-3-O-??-D-glucopyranosyl-(1??2)-??-D-glucopyranoside(10). CONCLUSION Compounds 1-3 and 6-10 are firstly obtained from U. lobata.     

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??OBJECTIVE To study the chemical constituents of the aqueous extract from the aerial part of Sibiraea angustata. METHODS The constituents were isolated by various chromatographic techniques(HP-20 macroporous absorption resin, Sephadex LH-20 gel, Reverse-phase silical gel and PHPLC) and their structures were determined on the basis of physicochemical properties and their spectroscopic data, as well as the literatures. RESULTS Twelve compounds were separated and identified as veratric acid(1),(+)-cycloolivil(2), 3,7-dimethyl-3(E)-6-octadien-5-one-1-O-??-D-glucoside(3), 3,7-dimethyl-3(Z)-6-octadien-5-one-1-O-??-D-glucoside(4), 1-O-??-D-glucopyranosyl(1??2)-??-D-glucopyranosyl-3,7-dimethyl-2(E)-6-heptdiene(5),(7R,8S)-dihydrodehydrodiconiferyl alcohol-9??-O-??-D-glucopyranoside(6),(+)-1-hydroxypinoresinol-1-??-D-glucoside(7), skimmin(8), kaempferol 3-O-??-L-arabinopyranosyl-(1??6)-??-D-galactopyranoside(9), isorhamnetin-3-O-??-D-galactopyranosyl(1??6)-??-D-glucopyranoside(10), isorhamnetin 3-O-??-arabinopyranosyl-(1??6)-??-galactopyranoside(11), and quercetin 3-O-[2''-O-(E)-caffeoyl]-??-L-arabinopyranosyl-(1??6)-??-D-galactopyranoside(12). CONCLUSION All compounds are obtained from the genus of Sibiraea for the first time.     

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??OBJECTIVE To investigate the chemical constituents from Bletilla striata (Thunb.) Reichb.f and study their anti-tumor activities and effect on progression of cell cycle. METHODS The compounds were isolated by various chromatographic methods including silica gel, ODS, Sephadex LH-20, and so on. Their structures were identified by extensive analysis of spectiroscopic data. The antiproliferative effects of the compounds were evaluated using MTT test, and compound 1 was tested for the effect on the cell cycle of A549 cells. RESULTS Five compounds were isolated from Bletilla striata and identified as 3??-hydroxyoleane-12-en-28-oic acid 3-O-??-L-rhamnopyranosyl-(1??2)-??-D-glucopyranoside(1),2-hydroxysuccinic acid(2),4-hydroxybenzylamine(3),palmitic acid(4),and 4-hydroxybenzoic acid(5). Compound 1 showed antiproliferative activity against the cancer cells and could induce G₀/G₁ phase arrest effectively after 24 h treatment. CONCLUSION Compounds 1-4 are isolated from Bletilla striata for the first time. Compound 1 shows potent inhibitory effect and might produce their action through inducing cell cycle arrest.     

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??OBJECTIVE To study the chemical constituents from the aerial parts of Paris polyphylla var. chinensis. METHODS The compounds were isolated and purified from the 75% ethanol extract by chromatography on HPD100 macroporous resin, silica gel, and Sephadex LH-20 as well as semi-preparative HPLC. Their structures were elucidated on the basis of spectral data. RESULTS Eleven compounds were isolated and identified as corchionoside C (1), ??-ecdysterone (2), coronatasterone (3), kaempferol-3-O-??-D-galactopyranoside (4), astragalin (5), isorhamnetin-3-O-??-D-glucopyranoside (6), kaempferol-3-O-??-D-glucopyranosyl-(l??2)-??-D-galactopyranoside(7), isorhamnetin-3-O-??-D-glucopyranosyl-(l??2)-??-D-galactopyranoside (8), kaempferol-3-O-??-D-glucopyranosyl-(l??2)-??-D-glucopyranoside (9), isorhamnetin-3-O-??-D-galactopyranosyl-(l??6)-??-D-glucopyranoside (10), and isorhamnetin-3-O-??-D-gentiobioside (11). CONCLUSION Compounds 1 and 3-11 are isolated from this plant for the first time and compounds 1, 3-5 and 8-10 are isolated from Paris plants for the first time.     

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??OBJECTIVE To study the chemical constituents of Catharanthus roseus. METHODS Various column chromatograghic METHODS on silica gel, Rp-18, and Sephadex LH-20 were applied for the isolation and purification of the 95% ethanol extract. The structures were elucidated by their physicochemical properties and spectral data. RESULTS Twenty-two compounds were obtained and identified as ursolic acid (1), daucesterol (2), tetrahydroalstonine (3), 7??-hydroxy-??-sitosterol (4), vindoline (5), ??-sitosterol (6), aurantiamide acetate (7), lochnericine (8), oleanolic acid (9), ajmalicine (10), (22E,24R)-ergosta-7,22-dien-3??,5??,6??-triol (11), betulinic acid (12), stigmasterol (13), quercetin (14), keampferol (15), vindorosine (16), catharanthine (17), diaaurantiamide acetate (18), reserpine (19), panarine (20), serpentine (21), and 16R-E-isositsirikine (22). CONCLUSION Compounds 4, 7, 11, 13, 18, and 20 are isolated from C. roseus for the first time.     

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??OBJECTIVE To investigate the chemical constituents of the aerial parts of Ribes diacanthum Pall. METHODS The compounds were isolated and purified by silica gel, Sephadex LH-20 colunm chromatography and HPLC. The structures were elucidated on the basis of spectral data and physiochemical properties. RESULTS Nineteen compounds were isolated from 95% ethanol extracts and identified as quercetin (1), quercetin-3-O-??-D-glucopyranoside (2), quercetin-3-O-??-L-rhamnopyranoside (3), quercetin-3-O-??-D-neohesperoside (4), mearnsetin (5), myricetin-3-O-??-L-rhamnoside (6), myricetin-3-O-??-D-glucopyranoside (7), mearnsetin 3-O-??-D-glucopyranoside (8), mearnsetin 3-O-??-L-rhamnopyranoside (9), kaempferol-3-O-??-D-glucopyranoside (10), kaempferol 3-O-??-D-(2-O-??-L-rhamnopyranosyl) glucopyranoside (11), kaempferol 3-(2??,6??-di-O-??-L-rhamnosyl)-??-D-glucoside (12), 1,2,4-trihydroxybenzene (13), vanillic acid (14), protocatechuic acid (15), 4-hydroxy benzoic acid (16), gallic acid (17), blumenol C glucoside (18), conocarpan (19). CONCLUSION All the compounds are isolated from the title plant and the NMR data for 8 is reported here for the first time.     

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??OBJECTIVE To study the chemical constituents of Patrinia villosa (Thunb.) Juss. METHODS The compounds were isolated by a combination of various chromatographic techniques including column chromatography over macroporous resin, Sephadex LH-20, and reversed-phase HPLC. Their structures were elucidated by physiochemical property and spectral analysis. RESULTS Eleven compounds were isolated and identified as(7R,8S)-3,3??,5-trimethoxy-4??,7-epoxy-8,5??-neolignan-4,9,9??-triol-9-O-??-D-glucopyranoside(1), massonianoside D(2),(7R,8S)-dihydroxydehydrodiconiferyl alcohol-4-O-??-D-glucopyranoside(3),(7S,8R)-dihydroxydehydrodiconiferyl alcohol-4-O-??-D-glucopyranoside(4), 7R,8S-glochidioboside(5), lariciresinol-4-O-??-D-glucopyranoside(6), lariciresinol-9-O-??-D-glucopyranoside(7), lariciresinol-4??-O-??-D-glucopyranoside(8), tortoside B(9), tanegool(10), and tanegool-7??-methyl ether(11). CONCLUSION All compounds are isolated from Patrinia genus for the first time.     

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??OBJECTIVE To study the chemical constituents of Callicarpa nudiflora. METHODS The chemical constituents were isolated and purified by column chromatography on silica gel, ODS, Sephadex LH-20 and MPLC. Their structures were elucidated by spectroscopic evidence and compared with those in literature. RESULTS Nine compounds were isolated and identified as 6-O-caffeoyl ajugol(1), leucosceptoslde A(2), 6-O-caffeoly-??-glucose(3), nudifloside(4), luteolin-7-O-glucoside(5), quercetin 3??-O-??-D-glucoside(6), cistaneside C(7), acteoside(8), and syringalide A 3??-??-L-rhamnopyranoside (9). CONCLUSION Compounds 1, 2, 6, 7, and 9 are isolated from this plant for the first time.     

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??OBJECTIVE To study the polar chemical constituents from Prunella vulgaris L.. METHODS Silica gel, reverse-phase octadecylsilyl (ODS), Sephadex LH-20 chromatographic methods, MCI and HPLC were applied to isolate and purify compounds. MS and NMR methods were used to determine the structures of the compounds. Furthermore, the cytotoxicity of these chemical components for MCF-7, MDA-MB-231 and MCF-10A cell lines was measured by MTT method. RESULTS A total of 12 compounds were isolated from the fruits of P. vulgaris and their structures were identified as methyl 3,4,??-trihydroxypropionate(1), danshensu (2), methyl rosmarinate (3), 3,4-dihydroxybenzoic acid (4), quercetin-3-O-glycopyranoside (5), hyperoside (6), 2??,3??,19??,24-tetrahydroxylurs-12-en-28-oic acid (7), 2??,3??,24-trihydroxyolean-12-en-28-oic acid (8), cytidine (9), daucosterol (10), (3S,5R,10S)-7-oxo-12-methoxyabieta-8,11,13-triene-3,11,14-triol (11), and 2??,3??,24-trihydroxyolean-12,20(30)-dien-28-oic acid (12). The results of antitumor assay indicated that compound 2, 3, 5 and 6 significantly inhibited the activity of MCF-7, compound 3 could inhibit the activity of MDA-MB-231, but all of them also significantly inhibited the activity of normal cell lines MCF-10A. CONCLUSION Compounds 9 and 11 are isolated from the genus of Prunella L. for the first time. Some chemical constituents form Prunella L. show certain anti-breast cancer activity.     

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??OBJECTIVE To study the chemical constituents of Swertia binchuanensis. METHODS The constituents were isolated and purified by column chromatography of silica gel. Their structures were identified on the basis of spectral analysis and chemical properties. RESULTS Five compounds are isolated and identified as 7-O-????-L-rhamnopyranosyl-(1??2)-??-D-xylopyranosyl??-1,8-dihydroxy-3-methoxyxanthone(1), 3-O-??-D-glucopyranosyl-1,8-dihydroxyl-5-methoxyxanthone(2), 7-O-??-D- glucopyranosyl-1,8-dihydroxyl-3-methoxyxanthone(3), amarogentin(4), and amaroswerin(5). CONCLUSION All of the compounds were isolated from S.binchuanensis for the first time.     

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??OBJECTIVE To study the chemical constituents of Citrus aurantium L. METHODS Chromatographic techniques were employed for isolation and purification of the constituents and their structures were determined by spectral analysis and chemical evidence. RESULTS Sixteen compounds were obtained and identified as pyrrolezanthine-6-methyl ether (1), methyl 3-hydroxy-4-methoxybenzoate (2), 3-hydroxy-4-methoxybenzoic acid (3), methyl 3,4-dihydroxybenzoate (4), methyl 3-(4-acetoxyphenyl)propanoate (5), 4-hydroxybenzoic acid (6), scopoletin (7), 5-(hydroxymethyl)furan-2-carbaldehyde (8), hesperidin (9), naringin (10), gossypetin-8,3'-dimethylether-3-O-??-D-galactoside (11), 2-homoeriodictyol-7-O-??-D-glucopyranoside (12), 6-demethoxytangeretin (13), naringenin (14), 5,6,7,8,4'-pentamethoxyflavone (tangeretin) (15), and 5-O-desmethylnobiletin (16). CONCLUSION Compounds 1??2??4??8??11-13 are for the first time obtained from Citrus.     

香青兰化学成分的研究

目的 :研究香青兰全草的化学成分。方法 :RA型大孔树脂和硅胶柱色谱法分离纯化 ,薄层色谱及光谱法进行结构鉴定。结果 :从乙醇提取物中分得 4个化合物 ,鉴定为tilianin ,agastachoside,acacetin和oleanolicacid。结论 :4个化合物均为该植物中首次分得。     

慈姑化学成分研究

从泽泻科植物慈姑球茎的甲醇提取物中分离到一种结晶性成分,经UV,IR,MS,H-NMR及¹⁸C-NMR鉴定为三达右松脂酸,药理实验初步证明它具有抑制T细胞免疫作用。     

地桃花化学成分研究

 目的 对地桃花的化学成分进行分离和鉴定。方法 应用溶剂法进行提取,采用硅胶、Sephadex LH-20凝胶柱色谱、MCI柱色谱、ODS反相柱色谱分离纯化,并利用MS、NMR技术确定结构。结果 从地桃花全草体积分数95%乙醇浸膏中分离鉴定了11个化合物,分别是东莨菪亭(scopoletin) (1)、梣皮素(fraxitin) (2)、己内酰胺(caprolactam) (3)、邻苯二甲酸异丁酯[bis(2-methylproyl) ester] (4)、芹菜素-6-C-α-L-鼠李糖苷(6-C-β-L-rhamnosylopigenin,即isofurcatain) (5)、6,8-二羟基-山柰酚-3-O-β-D-葡萄糖苷(6,8-dihydroxy kaempferol -3-O-β-D-glycoside) (6)、黄芩素-7-O-α-L-鼠李糖苷(baicalein-7-O-α-L-rhamnoside) (7)、槲皮素-4′-O-芸香糖苷[quercetin 4′-O-α-L-rhamnosyl (1→6)-O-β-D-glycoside ] (8)、苯甲酸 (9)、七叶苷(esculin) (10)、丁香酸葡萄糖苷(glucosyringic acid) (11)。结论 11个化合物均为首次从地桃花中得到。     

瑞香狼毒化学成分的研究

目的 :从瑞香狼毒根中分离鉴定生物活性成分。方法 :溶剂提取及柱色谱法分离 ,光谱技术鉴定结构。结果 :分得 7个化合物 ,伞形花内酯 (1) ,双白瑞香素 (2 ) ,2 ,6-二甲氧基对苯醌 (3) ,(-)-eudesmin(4) ,(+)-matairesinol(5) ,lirioresinolB(6)和胡萝卜苷 (7)。结论 :化合物 3,4,5为首次自该植物中分得。     

独尾草化学成分研究

目的 :对独尾草全草的化学成分进行分离和鉴定。方法 :用色谱技术进行分离 ,MS,HNMR ,¹³CNMR ,DEPT脉冲技术及H HCOSY ,HMQC ,HMBC鉴定化合物。结果 :从独尾草中分离得到 4个化合物 ,分别为大黄酚甲醚 ,aloesaponolⅢ ,胡萝卜苷 ,β-谷甾醇。结论 :均为首次从该属植物中得到。     

裂叶苣荬菜的化学成分研究

从菊科裂叶苣荬菜的干燥全草中分得2个黄酮化合物,经理化常数测定及光谱分析鉴定为洋芹素和木犀草素-7-O-葡萄糖甙。     

华黄芪化学成分的研究

从华黄芪中分得３个化合物，经化学反应和光谱鉴定，它们分别是二十八烷烃，胡萝卜甙，山奈酚，均为首次从该植物中得到。     

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??OBJECTIVE To study the chemical constituents from the whole plants of Asplenium unilaterale. METHODS The methanol extract was isolated and purified by silica gel, Sephadex LH-20, and semi-preparative HPLC column chromatography. All compounds were identified on the basis of spectral analysis. RESULTS Fifteen compounds were isolated and identified as (Z)-4-(2,6,6-trimethylcyclohex-2-enylidene)butan-2-ol (1), icariside B₂(2), citroside A(3), (6R, 9R)-3-oxo-??-ionol-9-O-??-D-glucopyranoside(4), (6S,9R)-roseoside(5), 6-methyl-2H-chromen-2-one (6), 6,7-dihydroxy-2H-1-benzopyran-2-one (7), gibepyrone D(8), lupan-3-one(9), violanthin(10), 22,23-dimethylcholest-5-en-3-ol(11), 1-dotriacontanol (12), 5-hexylfuran-2(5H)-one(13), tocopherylquinone(14) and 2,4(1H,3H)-pyrimidinedione(15), respectively. CONCLUSION Compounds 1-15 are isolated from the genus for the first time.     

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??OBJECTIVE To study the chemical constituents from the flower buds and inflorescences of Buddleja officinalis. METHODS Various chromatographic techniques such as silica gel and Sephadex LH-20 chromatography were used in this experiment. RESULTS Sixteen compounds were isolated from the medicinal plant, and their structures were identified as follows acacetin(1), apigenin(2), luteolin(3), acacetin-7-O-glucoside(4), cosmosiin(5), luteolin-7-O-glucoside(6), acacetin-7-O-glucuronide(7), apigenin-7-O-glucuronide(8), linarin(9), luteolin-7-O-rutinoside(10), neobudofficide(11), acteoside(12), crocin ??(13), crocin ??(14), crocin ??(15), and N¹, N⁵, N¹⁰-(E)-tri-p-coumaroylspermidine(16). CONCLUSION Compounds 4, 7, 8, 14-16 are obtained from the medicinal plant for the first time, and compounds 7, 8, 14-16 are obtained from Loganiaceae for the first time.