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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 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 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 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 Yao medicine, Zhongliuteng, the stems of Pileostegia tomentella. METHODS The chemical constituents were isolated and purified by silica gel chromatography repeatedly, and their structures were identified by spectral analysis and chemical METHODS. RESULTS Thirteen compounds were isolated from the stems of P. tomentella and the structures were identified as 1-O-(??-D-glucosyl)-2-[2-methoxy-4-(??-hydroxypropyl) phenoxy]propan-3-ol(1),(+)-lyoniresinol-3a-O-??-D-glucopyranoside (2),syringin (3),coniferin (4),dihydroconiferin (5),but-3-enyl-??-D-glucoside (6),4-(2,3-dihydroxypropyl)-2,6-dimethoxy phenyl ??-D-glucopyranoside (7),nikoenoside (8),protocatechuic acid ethyl ester (9),8-methoxy coumarin-7-O-??-D-glucopyranoside (10),6-O-R-L-rhamnopyranosyl-??-D-glucopyranoside methyl salicylate (11), nicotinamide (12), and 3,5-di-O-caffeoyl quinicacid methyl ester (13). CONCLUSION All compounds were obtained from the genus 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 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 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.     

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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.     

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。