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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 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 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 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 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 the stems of Lythrum salicaria L..METHODS The constituents were isolated and purified by silica gel, Sephadex LH-20 column chromatography, and TLC. The structures were identified on the basis of spectral data and physiochemical characteristics. RESULTS Twenty compounds were isolated from 70% ethanol extracts and identified as betulinic acid(1), 2??,3??,24-trihydroxy-12(13)-en-urs-28-oic acid(2), 6-O-(E)- sinapoylpoligalitol(3), feruloyl-6??-O-??-D-glucopyranoside(4), 7-oxo-??-sitosterol(5), en-tisolariciresinol(6), muramine(7), aesculetin(8), apigenin(9),(2E,6S)-2,6-dimethyl-6-O-??-D-xylpyranosyloxy-2,7-menthiafolic acid(10), quercetin3-O-(6??-caffeoyl)-??-D-galactopyranoside(11), cycloart-23-ene-3??,25-diol(12), (1??S,6??R)-8??-hydroxyabscisic acid-??-D-glucoside(13), 3??,5-dihydroxy-3,6,4??-trimethoxyl-7-O-??-D-glucopyranoside flavonoid(14), aurantiamide acetate(15), 5,6,3??,4??-tetrahydroxy-3,7-dimethoxy-flavone(16), ursolic acid(17), oleanolic acid(18), 4-O-11-methyl-oleoside-p-hydroxyphenyl-(6??-11-methyloleoside)-??-D-glucopyranoside(19), and 6-O-galloylarbutin(20). CONCLUSION Except for compounds 8 and 9, all the compounds were isolated from this plant material 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 the ethnic drug Dicranopteris pedata. METHODS The compounds were isolated and purified by comprehensive application of silica gel and Sephadex LH-20 chromatography, and their structures were identified on the basis of comprehensive analysis of their physical and chemical properties, NMR data and references. RESULTS Fourteen compounds were isolated and elucidated as quercitrin(1), kaempferol 3-O-??-L-rhamnoside(2), rutin(3), hyperoside(4), kaempferol(5), quercetin(6), 2-hydroxy-4-methoxy-2??, 3??-benzochalcone(7), stigmasterol(8), cycloastragenol(9), shikimic acid(10), protocatechuic acid(11), gallic acid(12), ??-sitosterol(13), and daucosterol(14). CONCLUSION Compound 1-14 are for the first time isolated from D. pedata.     

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??OBJECTIVE To study the chemical constituents of Inula cappa. METHODS Chromatographic techniques were employed for isolation and purification of the constituents and their structures were determined by spectral analysis and chemical evidence. RESULTS Seventeen compounds were obtained and identified as friedelin(1), epifriedelanol(2), ??-amyrin(3), ??-amyrin(4), benzyl 2-O-??-D-glucopyranosy-2,6-dihydroxybenzoate(5), scopoletin(6), luteolin-7-O-??-D-glucuronide ethyl ester(7), benzyl alcohol glucoside(8), ophiopogonoside A(9), apigenin-7-O-??-D-glucoside(10), luteolin-7-O-??-D-rutinoside(11), hydnocarpin-D(12), luteolin(13), luteolin-7-O-??-D-glucoside(14), luteolin-4??-O-??-D-glucoside(15), quercetin-3-O-??-D-glucoside(16), and juglans cerebroside A(17). CONCLUSION Compounds 5, 7, 9, 11, 12, and 17 are for the first time obtained from the genus Inula and compounds 8, 10, 14, and 16 are isolated from Inula cappa for the first time.     

类叶牡丹化学成分的研究

目的对类叶牡丹Caulophyllum robustum根中化学成分进行研究。方法利用反复硅胶柱色谱、中压柱色谱及半制备液相色谱等方法分离纯化,通过核磁共振谱、质谱等光谱数据鉴定化合物结构。结果从类叶牡丹根中分离得到10个化合物,分别鉴定为刺囊酸-3-O-β-D-葡萄吡喃糖-(1→2)-α-L-吡喃阿拉伯糖苷(1)、3-O-α-L-吡喃阿拉伯糖-常春藤皂苷元-28-O-β-D-葡萄吡喃糖-(1→6)-β-D-吡喃葡萄糖苷(2)、HN-saponin H(3)、ciwujianosides A_1(4)、glycoside L-K_1(5)、3-O-β-D-吡喃葡萄糖-(1→3)-α-L-吡喃阿拉伯糖-常春藤皂苷元-28-O-α-L-吡喃鼠李糖-(1→4)-β-D-吡喃葡萄糖-(1→6)-β-D-吡喃葡萄糖苷(6)、leonticin F(7)、3-O-β-D-吡喃葡萄糖-(1→3)[β-D-吡喃葡萄糖-(1→2)]-α-L-吡喃阿拉伯糖-刺囊酸-28-O-α-L-吡喃鼠李糖-(1→4)-β-D-吡喃葡萄糖-(1→6)-β-D-吡喃葡萄糖苷(8)、leonticinA(9)、莫诺苷(10)。结论化合物10是环烯醚萜类,其余化合物为皂苷类;化合物1、10首次从红毛七属植物中分离得到,化合物2~9首次从该植物中分离得到。     

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??OBJECTIVE To isolate the chemical constituents from Caulophyllum robustum and confirm their chemical structures. METHODS The chemical constituents were isolated by MCI gel, repeated silica gel chromatography, preparative liquid chromatography.and their structures were elucidated by NMR and MS etc. RESULTS The structures of compounds 1-10 were identified as echinocystic acid (1), oleanolic acid-3-O-??-D-glucopyranosyl-(1??2)-??-L-arabinopyranoside (2), hederagenin-3-O-??-D-glucopyranosyl-(1??3)-??-L-arabinopyranoside (3), hederagenin-3-O-??-D-glucopyranosyl-(1??2) [??-D-glucopyranosyl-(1??3)]-??-L-arabinopyranoside (4), 3-O-??-D-glucopyranosyl-(1??2)-??-L-arabinopyranosyl echinocystic acid-28-O-??-L-rhamnopyranosyl-(1??4)-??-D-glucopyranosyl-(1??6)-??-D-glucopyranosyl ester (5), 3-O-??-L-arabinopyranosyl hederagenin-28-O-(4-O-acetyl)-??-L-rhamnopyranosyl-(1??4)-??-D-glucopyranosyl-(1??6)-??-D-glucopyranosyl ester (6), (6R, 7E, 9R)-9-hydroxy-4, 7-megastigmadien-3-one-9-O-??-D-glucoside (7), (9R)-9-hydroxy-4, 6-megastigmadien-3-one-9-O-??-D-glucoside (8), maltose (9), and sucrose (10). CONCLUSION Compounds 1-10 are firstly isolated from the genus Caulophyllum except 5.     

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??OBJECTIVE To investigate the liposoluble constituents of Urticae Rhizoma. METHODS The compounds were isolated and purified by silica gel, Sephadex LH-20, ODS gel column chromatographies, and semi-preparative HPLC. The structures were elucidated on the basis of spectral data and physiochemical properties. RESULTS Twenty-one compounds were isolated from the ethyl acetate fraction of Urticae Rhizoma, and identified as(-)-urticol(1),(-)-secoisolariciresinol(2), 23-hydroxybetulinic acid(3), 2??,3??, 24-trihydroxy-12-oleanen-28-oic acid(4), cleomiscosin A (5), dihydro-4-hydroxy-5-hydroxymethyl-2(3H)-furanone(6), methyl chlorogenate(7), kaempferol(8), pinoresinol monomethyether-4??-O-??-D-glucopyranoside(9), martairesinol-4??-O-??-D-glucopyranoside(10), cycloolivil-6-O-??-D-glucopyranoside(11), stigmasterol-3-O-??-D-glucopyranoside(12), nicotinamide(13), trans-caffeic acid-4-O-??-D-glucopyranoside(14), esculin(15), 5-hydroxyl-7-methoxycoumarin-8-O-??-D-glucopyranoside(16), 6-oxymethyluteolin-7-O-??-D-glucopyranoside(17), luteolin-7-O-??-D-glucopyranoside(18), quercetin-3-O-(4??-methoxy)-??-L-rhamnopyranoside(19), 2??-deoxy uridine(20), and apigenin-6, 8-di-C-??-D-glycoside(21), respectively. CONCLUSION All the compounds, except 8 and 12, are isolated from U. fissa for the first time. Meanwhile, compounds 5, 6, 9, 10, 11, 14, 16, 17, and 19 are all found in Urticaeae plants for the first time.     

檵木水溶性化学成分研究

目的 研究檵木水溶性化学成分。方法 采用大孔树脂、硅胶、凝胶、制备高效液相等色谱技术进行分离,根据波谱数据对化合物进行结构鉴定。结果 从檵木叶中分离得到10个化合物,分别鉴定为(6S,9R)-roseoside(1),rhododendrin(2),epirhododendrin(3),(1S,2R,4S,5S)(-)-Angelicoidenol 2-O-β-D-glucopyranoside(4),dihydroalangionoside A(5),(Z)-3-hexenyl β-primeveroside(6),benzyl β-primeveroside(7),(Z)-3-hexenyl O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside(8),rhododendrol 4'-O-β-D-glucopyranoside(9),3-(4-hydroxyphenol)propyl β-D-glucopyranoside(10)。结论 化合物1~7,9,10均首次从该属植物中分离得到。     

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??OBJECTIVE To investigate the chemical constituents from the stems of Viola japonica var. stenopetala Franch. ex H.METHODS The constituents were isolated and purified by silica gel, Sephadex LH-20 column chromatography, and preparative TLC. The structures were identified on the basis of spectral data and physiochemical characteristics. RESULTS Fifteen compounds were isolated from 70% ethanol extract of Viola japonica var. stenopetala Franch. ex H. and identified as ??-sitosterol (1), daucosterol(2), chlorogenic acid (3), 7-hydroxycoumarin (4), stigmastero-3-O-??-D-glucopyranoside (5), dehydrololiolide (6), kaempferol-7-O-??-D-glucopyranoside (7), characterizedas(+)-pinoresinol-O-??-D-glucopyranoside (8), 5,7-dihydroxy-3,6-dimethoxyflavone (9), apigenin-7-O-??-D-glucoside (10), chryseriol (11), ??-amyrin(12), robinin(13), kaempferol-3,7-di-O-??-L-rahmnoside(14), and solagenin-6-O-??-D-quinovopyranoside(15). CONCLUSION Compounds 8 and 15 are isolated from the plants in Gnaphalium L. for the first time. Compounds 5, 6, 8, 11, 14, and 15 are isolated from this plant material for the first time.
     

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??OBJECTIVE To study the chemical constituents in the stem barks of Pandanus tectorius Soland. METHODS The compounds were isolated by repeated chromatography. Their structures were elucidated by spectroscopic methods. RESULTS Ten compounds were isolated and identified as 1??-O-benzyl-??-L-rhamnopyranosyl-(1???6??)-??-D-glucopyranoside(1), dihydrodehydrodiconiferyl alcohol(2), isovitexin(3), vitexin(4), 3,5-di-O-caffeoylquinic acid methyl ester(5), 3,5-di-O-caffeoylquinic acid ethyl ester(6), 3,4-di-O-caffeoylquinic acid methyl ester(7),(+)-lyoniresinol 3a-O-??-glucopyranoside(8),(-)-lyoniresinol 3a-O-??-glucopyranoside(9), and benzyl-??-D-glucopyranoside(10). CONCLUSION All compounds are isolated from this plant 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.