Two new dammarane-type triterpene saponins from red American ginseng.

abstract：:Three new eremophilane-type sesquiterpenoids, alashanoids K-M (1-3), and one known analogue (4) were isolated from the peeled stems of Syringa pinnatifolia. All the compounds were isolated from the genus Syringa for the first time. Structures of these compounds were established using 1D and 2D NMR and MS data. The abs...

journal_title：Journal of Asian natural products research

authors： Peng B,Zhang RF,Du BZ,Jiao SG,Zhou XC,Gao XL,Chen SY,Tu PF,Chai XY

更新日期：2019-12-01 00:00:00

abstract：:A new phenyldihydronaphthalene-type lignan, vitexdoin F (1), along with 22 known lignan derivatives (2-23) was isolated from the seeds of Vitex negundo var. cannabifolia. Their structures were established by comprehensive 1D and 2D NMR spectroscopic analyses. The antioxidant activities of these lignans were evaluated ...

journal_title：Journal of Asian natural products research

authors： Lou ZH,Li HM,Gao LH,Li RT

更新日期：2014-01-01 00:00:00

abstract：:A new periplogenin cardenolide, periplogulcoside (1), together with three known cardenolides, was isolated from the seeds of Antiaris toxicaria. The structure of the new compound was characterized as periplogenin-3-O-β-D-glucopyranosyl-(1 → 4)-β-D-glucopyranoside (1) by spectroscopic methods including 1D and 2D NMR, H...

journal_title：Journal of Asian natural products research

authors： Wu XL,Wu YL,Li HG,Liu HT,Fu XY,Cui RQ,Wang JH,Liu C,Chen J

更新日期：2014-01-01 00:00:00

abstract：:A new pyranoxanthone, venuloxanthone (1), was isolated from the stem bark of Calophyllum venulosum, together with three other xanthones, tovopyrifolin C (2), ananixanthone (3) and caloxanthone I (4), along with two common triterpenes, friedelin (5) and lupeol (6). The structures of these compounds were identified usin...

journal_title：Journal of Asian natural products research

authors： Bin Ismail AA,Ee GC,Bin Daud S,Teh SS,Hashim NM,Awang K

更新日期：2015-01-01 00:00:00

abstract：:Two new flavonoid alkaloids, 8-(2''-pyrrolidinone-5''-yl)-quercetin (1) and 8-(2''-pyrrolidinone-5''-yl)-isorhamnetin (2), were isolated from the herb of Senecio argunensis. Their structures were elucidated by spectral analysis. ...

journal_title：Journal of Asian natural products research

authors： Li N,Shao L,Zhang CF,Zhang M

更新日期：2008-11-01 00:00:00

abstract：:Potassium 2-(1-hydroxypentyl)-benzoate (dl-PHPB) is a prodrug of 3-n-butylphthalide (dl-NBP) for treatment of cerebral ischemic stroke in China, which undergoes lactonization to form dl-NBP in plasma. And, the phase II-III clinical trial of dl-PHPB has been approved by China Food and Drug Administration (CFDA) in 2013...

journal_title：Journal of Asian natural products research

authors： Li J,Wang XL,Wang AP,Xu SF,Jin HT

更新日期：2017-04-01 00:00:00

abstract：:Five new phenolic glycosides, 2-hydroxy-(2'E)-prenyl benzoate-2,4'-di-O-β-D-glucopyranoside (1), 2-hydroxy-(2'E)-prenyl benzoate-2-O-α-L-arabinopyranosyl-(1 → 6)-β-D-glucopyranoside (2), 4-methylphenol-1-O-α-L-rhamnopyranosyl-(1 → 6)-β-D-glucopyranoside (3), 4-methylphenol-1-O-α-L-arabinopyranosyl-(1 → 6)-β-D-glucopyr...

journal_title：Journal of Asian natural products research

authors： Zhou Y,Ren HC,Qin RD,Zhang QY,Liang H

更新日期：2014-01-01 00:00:00

abstract：:Andrographolide, a major bioactive compound isolated from Andrographis paniculata (Burm. F.) Nees, was evaluated for its effects on the hOAT1 membrane transporter. Substrate determination and inhibition of hOAT1-mediated uptake transport assay was carried out using recombinant CHO-hOAT1 cells. The results showed that ...

journal_title：Journal of Asian natural products research

authors： Chong YM,Kaur G,Tan ML

更新日期：2019-08-01 00:00:00

abstract：:Vernonia travancorica Hook. f. is a taxon, endemic to the evergreen forests of Western Ghats (above 1000 m), India. From the aqueous EtOH extract of the air-dried corymbose inflorescence a novel secondary metabolite, 3-O-beta-[beta-(6'''-acetyl)-D-glucopyranosyl(1-->2)]-D-glucopyranosyl kaempferol (1), has been isolat...

journal_title：Journal of Asian natural products research

authors： Seetharaman TR,Petrus AJ

更新日期：2004-12-01 00:00:00

abstract：:Corchorusin-D (COR-D), isolated from Corchorus acutangulus, was reported to induce apoptosis in leukemic cells. However, no studies concerning its activity on melanoma cells have been reported. We have evaluated its in vitro anti-cancer activity on melanoma cells (B16F10, SK-MEL-28, and A375). The results demonstrate ...

journal_title：Journal of Asian natural products research

authors： Mallick S,Pal BC,Kumar D,Chatterjee N,Das S,Saha KD

更新日期：2013-11-01 00:00:00

abstract：:We present in this paper the efficient four-component one-pot synthesis of a fully protected hexaarabinogalactan 2 with di-branched structure by using D-thiogalactopyranoside 3,6-diol 3 as the central glycosylating agent. After global deprotection, 2 was converted into the 3-aminopropyl linker-containing free oligosac...

journal_title：Journal of Asian natural products research

authors： Huang H,Han L,Lan YM,Zhang LL

更新日期：2014-01-01 00:00:00

abstract：:Two new metabolites, pyrenocine J (1) and pyrenochaetic acid D (2), together with two known metabolites, pyrenocine A (3) and pyrenochaetic acid A (4), were isolated from a soil fungus, Curvularia affinis strain HS-FG-196. Their structures were established by extensive spectroscopic analysis. Compound 1 showed cytotox...

journal_title：Journal of Asian natural products research

authors： Zhang H,Mao LL,Qian PT,Shan WG,Wang JD,Bai H

更新日期：2012-01-01 00:00:00

abstract：:Two new quinochalcone glycosides, hydroxysafflor yellow A-4'-O-β-D-glucopyranoside (1) and 3'-hydroxyhydroxysafflor yellow A (2), were isolated from the safflower yellow pigments of Carthamus tinctorius. The structures of new compounds were elucidated by a detailed spectroscopic analysis (UV, IR, HR-ESI-MS, 1D and 2D ...

journal_title：Journal of Asian natural products research

authors： Zhang H,Duan CP,Luo X,Feng ZM,Yang YN,Zhang X,Jiang JS,Zhang PC

更新日期：2020-12-01 00:00:00

abstract：:A new diarylheptanoid, along with five known diarylheptanoids, was isolated from the rhizomes of Alpinia officinarum (Zingiberaceae). The structure of the new compound was determined to be trans,trans-1(3'-methoxy-4'-hydroxyphenyl)-7-phenyl-5-ol-4,6-dien-3-heptanone on the basis of spectral and chemical evidence. ...

journal_title：Journal of Asian natural products research

authors： An N,Xu LZ,Zou ZM,Yang SL

更新日期：2006-10-01 00:00:00

abstract：:Verticilliside (1), a new flavone C-glucoside, has been isolated from the ethyl acetate soluble fraction of Enicostemma verticillatum and its structure is assigned on the basis of the spectroscopic data. 5,7,4'-Trihydroxyflavone 8-C-beta-D-glucopyranoside (2) and isoorientin 3'-O-methyl ether (3) have also been isolat...

journal_title：Journal of Asian natural products research

authors： Jahan E,Perveen S,Malik A

更新日期：2009-01-01 00:00:00

abstract：:Two new abietane diterpene glycosides, wilfordosides A (1) and B (2), were isolated from the roots of Tripterygium wilfordii. The structures of compounds 1 and 2 were established using spectroscopic methods including extensive 1D and 2D NMR analysis, in combination with chemical reactions. ...

journal_title：Journal of Asian natural products research

authors： Li HM,Wan DW,Li RT

更新日期：2015-01-01 00:00:00

abstract：:A new triterpene glycoside mutongsaponin F (1), together with five known saponins and two known lipids, was isolated from the 70% ethanol extract of the stems of Akebia trifoliata (Thunb.) Koidz. var. australis (Diels) Rehd. Their structures were elucidated on the basis of the spectroscopic analysis and physicochemica...

journal_title：Journal of Asian natural products research

authors： Gao HM,Wang ZM,Wang WH

更新日期：2009-12-01 00:00:00

abstract：:Chemical examination of the liquid culture of Endomelanconiopsis endophytica A326 isolated from the Chinese folk medicine Ficus hirta resulted in the isolation of two new xyloketals named xyloketals K and L (1-2) and three known analogs (3-5) including a new natural product (5). Their structures were determined on the...

journal_title：Journal of Asian natural products research

authors： Sun ZH,Liang FL,Chen YC,Liu HX,Li HH,Zhang WM

更新日期：2016-11-01 00:00:00

abstract：:Two new isobenzofuranone derivatives, polyphthaliside A (1) and polyphthaliside B (2), and a new isocoumarin derivative, polyisocoumarin (3), were isolated from Polygonum cuspidatum. Their structures were elucidated by detailed spectroscopic analysis and chemical methods. The cytotoxicity activity and PTP1B inhibitory...

journal_title：Journal of Asian natural products research

authors： Jiang JS,Li FS,Feng ZM,Yang YN,Zhang PC

更新日期：2020-01-01 00:00:00

abstract：:Two new bromophenols, (E)-3-(2,3-dibromo-4,5-dihydroxyphenyl)-2-methylpropenal (1) and 3-(2,3-dibromo-4,5-dihydroxyphenyl)-2-methyl-1-propanol (2), together with 11 known bromophenols (3-13), were isolated from the ethanolic extract of the brown alga Leathesia nana S. et G. Their structures have been elucidated by spe...

journal_title：Journal of Asian natural products research

authors： Xu XL,Fan X,Song FH,Zhao JL,Han LJ,Yang YC,Shi JG

更新日期：2004-09-01 00:00:00

abstract：:One kinds of glycolipid (SBI) have been isolated from the marine brown alga Sargassum hemiphyllum (Turn.) Ag. The structures of SBI have been determined as the sodium salt of 1-0-acyl-3-0-(6'-sulfo-alpha-D-quinovopyrannosyl) glycerol (acyl: tetradecanoyl, pentadecanoyl, 11-hexadecenoyl, hexadecanoyl, 10,13-octadecadie...

journal_title：Journal of Asian natural products research

authors： Cui Z,Li YS,Liu HB,Yuan D,Lu BR

更新日期：2001-01-01 00:00:00

abstract：:Methyl tortuoate D (1), together with five other known related bis-cembranoids, was isolated from Hainan soft coral Sarcophyton tortuosum. The structure of methyl tortuoate D (1a), firstly isolated and reported by Li et al. from the title organism, was corrected as 1 by an extensive analysis of its one-dimensional and...

journal_title：Journal of Asian natural products research

authors： Li YF,He LL,Liu HL,Liang LF,Zhang HB,Guo YW

更新日期：2013-01-01 00:00:00

abstract：:Two new 2-(2-phenylethyl)chromone derivatives (1-2) were isolated from the ethyl acetate extract of artificial agarwood induced by holing method originating from Aquilaria sinensis (Lour.) Gilg, and they were isolated from this genus for the first time. The structures of these two new compounds were elucidated by exte...

journal_title：Journal of Asian natural products research

authors： Xiang P,Zeng YB,Wang H,Kong FD,Chen HQ,Mei WL,Dai HF

更新日期：2020-12-18 00:00:00

abstract：:Pueraria lobata flower is a medicinal herb for treating intoxication, hepatic, and gastrointestinal tract lesions induced by alcohol. This study aims to investigate the isoflavonoid glycosides in P. lobata flowers. Two new isoflavone compounds were isolated from the extract of P. lobata flowers. Their structures were ...

journal_title：Journal of Asian natural products research

authors： Yu YL,Liao YT,Li X,Ye Y,Ke CQ,Li XQ,Yang XZ,Yao MC

更新日期：2011-04-01 00:00:00

abstract：:Tripterygium wilfordii Hook. f. is the traditional medicinal plants in China. Triptolide, wilforgine, and wilforine are the bioactive compounds in T. wilfordii. In this study, the contents of three metabolites and transcription levels of 21 genes involved in three metabolites biosynthesis in T. wilfordii were examined...

journal_title：Journal of Asian natural products research

authors： Zhang J,Huo YB,Liu Y,Feng JT,Ma ZQ,Zhu CS,Zhang X

更新日期：2017-08-01 00:00:00

abstract：:Thiazinogeldanamycin (2) was identified from Streptomyces hygroscopicus 17997 at the late stage of the fermentation. The pH was firstly proposed as an important factor in the biosynthesis of it. It was verified that 2 was produced by direct chemical reactions between geldanamycin (1, GDM) and cysteine or aminoethaneth...

journal_title：Journal of Asian natural products research

authors： Liu YF,Zhong JJ,Lin L,Liu JJ,Wang YG,He WQ,Yang ZY

更新日期：2016-08-01 00:00:00

abstract：:Three new dammarane-type triterpene ginsenosides, together with six known ginsenosides, were isolated from the leaves of Panax ginseng C.A. Meyer. The new saponins were named as ginsenoside Rh₁₁, ginsenoside Rh₁₂, and ginsenoside Rh₁₃. Their structures were elucidated as (20S)-3β,6α,12β,20-tetrahydroxydammara-25-ene-2...

journal_title：Journal of Asian natural products research

authors： Liu GY,Li XW,Wang NB,Zhou HY,Wei W,Gui MY,Yang B,Jin YR

更新日期：2010-10-01 00:00:00

abstract：:A new sesquiterpene cacaroborin (1) was isolated from the roots of Cacalia roborowskii, together with three known ones, cinalbicol (2), isopetasin (3), and 3alpha-angeloyloxylactone (4). The structure of compound 1 was elucidated as 1beta,10alpha-dihydroxy-8alpha-methoxyeremophil-7(11)-en-8beta,12-olide on the basis o...

journal_title：Journal of Asian natural products research

authors： Zhang ZX,Fei DQ

更新日期：2009-11-01 00:00:00

abstract：:Two new lanostanoid triterpenes, 23S-hydroxy-3,7,11,15-tetraoxo-lanost-8,24E-diene-26-oic acid (1), and 12beta-acetoxy-3beta-hydroxy-7,11,15,23-tetraoxo-lanost-8,20E-diene-26-oic acid (16), together with 17 known compounds, were isolated from the fruit bodies of Ganoderma lucidum. Their structures were established by ...

journal_title：Journal of Asian natural products research

authors： Guan SH,Xia JM,Yang M,Wang XM,Liu X,Guo DA

更新日期：2008-07-01 00:00:00

abstract：:In the title study, the synthesis of the vital intermediate C-nor-aconanone (3) from 4 was completed through 11 steps, mainly including semipinacol rearrangement, formation of the imines by the treatment of 10 or 20 with NBS, the cleavage of N-C19 bonds in 11 or 21 by treatment with m-CPBA and subsequently with LTA, a...

journal_title：Journal of Asian natural products research

authors： Shen XL,Chen QH,Wang FP

更新日期：2009-01-01 00:00:00